[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"grammar-page-es-articulos-indefinidos-un-una-unos-y-unas":3,"grammar-exercises-by-page-019f7f70-2dd9-779d-bc56-43830db35739":77,"grammar-exercise-workloads-019f7f70-2dd9-779d-bc56-43830db35739":111,"exercise-list-path-es-sustantivos-y-articulos-basicos-a1":1125},{"id":4,"title":5,"slug":6,"seoDescription":7,"content":8,"language":9,"level":10,"displayOrder":11,"grammarTopics":12,"createdAt":19,"updatedAt":20,"vocabularyLists":21,"primaryTopicHub":74,"readyImages":76},"019f7f70-2dd9-779d-bc56-43830db35739","Artículos indefinidos: un, una, unos y unas","articulos-indefinidos-un-una-unos-y-unas","Aprende a usar los artículos indefinidos un, una, unos y unas para presentar algo todavía no identificado o expresar una cantidad aproximada. A1.","Los artículos indefinidos **un, una, unos** y **unas** presentan una persona o cosa que todavía no está identificada. También pueden expresar una cantidad pequeña o aproximada.\n\nAl terminar esta lección, podrás:\n\n- elegir la forma que concuerda con el sustantivo;\n- presentar información nueva;\n- contrastar el artículo indefinido con el definido.\n\n## 1. Las cuatro formas\n\nEl artículo indefinido concuerda con el sustantivo en **género** y **número**.\n\n|  | Singular | Plural |\n| --- | --- | --- |\n| masculino | **un** libro | **unos** libros |\n| femenino | **una** mesa | **unas** mesas |\n\n:::example\nEn la clase hay **un profesor**, **una pizarra**, **unos libros** y **unas sillas**.\n:::\n\n:::tip\nMira primero el sustantivo: *libro* es masculino singular, por eso usamos **un libro**.\n:::\n\nAlgunos sustantivos femeninos que empiezan por **a-** o **ha-** tónica usan **un** en singular: **un aula**, **un hacha**. El sustantivo sigue siendo femenino, por eso decimos **un aula luminosa** y **un hacha afilada**. En plural usamos **unas**: **unas aulas**, **unas hachas**.\n\n## 2. Presentar algo nuevo\n\nUsamos **un** o **una** cuando mencionamos algo por primera vez o cuando su identidad exacta no es importante.\n\n:::example\nTengo **un perro**. **El perro** se llama Coco.\n\nPrimero usamos **un** porque presentamos al perro. Después usamos **el** porque ya sabemos qué perro es.\n:::\n\nOtros contextos frecuentes son:\n\n- pedir una unidad: *Quiero **un café**, por favor*;\n- decir que algo existe: *Hay **una farmacia** aquí*;\n- describir algo no identificado: *Busco **un apartamento** pequeño*;\n- hablar de una persona entre varias: ***Una estudiante** tiene una pregunta*.\n\n:::note\nAmpliación opcional para niveles posteriores: algunos adjetivos cambian de matiz según su posición. **Un gran hombre** es un hombre destacado; **un hombre grande** es un hombre de gran tamaño. En A1, basta con colocar normalmente el adjetivo después del sustantivo.\n:::\n\n## 3. Un objeto entre varios\n\n**Un** y **una** también pueden significar “uno” o “una” dentro de un grupo.\n\n| Situación | Ejemplo |\n| --- | --- |\n| una unidad | Necesito **un bolígrafo**. |\n| cualquier unidad adecuada | ¿Hay **una tienda** cerca? |\n| una persona no identificada | Hablo con **una profesora**. |\n\nCuando contamos sin sustantivo, usamos **uno\u002Funa**: *Tengo dos bolígrafos y quiero **uno***. Delante de un sustantivo masculino, usamos **un**: *Quiero **un bolígrafo***.\n\n:::warning\nDelante de un sustantivo masculino singular se dice **un libro**, no *uno libro*.\n:::\n\nCon **otro\u002Fotra** no usamos **un\u002Funa**: **otro libro**, **otra mesa**; no ✗ *un otro libro* ni ✗ *una otra mesa*.\n\n## 4. Unos y unas\n\nEn plural, **unos** y **unas** pueden significar “algunos\u002Falgunas” o indicar una cantidad aproximada.\n\n:::example\n- Hay **unos estudiantes** en la biblioteca.\n- Necesito **unas cajas** pequeñas.\n- La tienda está a **unos diez minutos**.\n:::\n\n| Forma | Uso frecuente | Ejemplo |\n| --- | --- | --- |\n| **unos** + plural masculino | algunos o aproximadamente | unos amigos; unos veinte euros |\n| **unas** + plural femenino | algunas o aproximadamente | unas fotos; unas tres horas |\n\n:::warning\nPara indicar una cantidad aproximada, coloca **unos\u002Funas** antes del número y haz que concuerde con el sustantivo: **unos veinte euros**, **unas tres horas**; no *veinte unos euros* ni *unos tres horas*.\n:::\n\n:::note\nEl plural sin artículo también es posible: *Necesito cajas* habla de cajas sin indicar una cantidad concreta. *Necesito unas cajas* sugiere algunas cajas.\n:::\n\n## 5. Indefinido o definido\n\nLa diferencia principal es si la persona o cosa está identificada en la conversación.\n\n| Situación | Artículo | Ejemplo |\n| --- | --- | --- |\n| información nueva o no identificada | **un\u002Funa\u002Funos\u002Funas** | Busco **una mochila**. |\n| información ya conocida o identificada | **el\u002Fla\u002Flos\u002Flas** | **La mochila** está aquí. |\n\n:::example\n—Hay **un restaurante** en esta calle.\n\n—¿Cómo se llama **el restaurante**?\n\nEn la segunda frase, el restaurante ya es conocido.\n:::\n\n## 6. Cuándo se omite\n\nEn algunos contextos básicos no usamos artículo indefinido.\n\n- profesión después de **ser**, si solo identificamos la profesión: *Marta es médica*;\n- sustancia o comida en cantidad no concreta: *Quiero agua. Compramos pan*;\n- plural sin cantidad concreta después de **hay**: *Hay tiendas cerca*.\n\n| Idea | Forma natural |\n| --- | --- |\n| profesión | Soy **estudiante**. |\n| cantidad no concreta | Necesito **azúcar**. |\n| existencia general | Hay **cafés** en la plaza. |\n\nEn A1, recuerda estas formas básicas: **Soy estudiante**, **Quiero agua** y **Hay tiendas cerca**.\n\n### Ampliación opcional para niveles posteriores\n\nCon **hay**, el plural sin artículo presenta la existencia sin destacar una cantidad. **Unos\u002Funas** presenta un grupo pequeño o aproximado:\n\n| Sin artículo | Con **unos\u002Funas** |\n| --- | --- |\n| Hay **tiendas** cerca. (existen tiendas) | Hay **unas tiendas** cerca. (hay algunas, un grupo pequeño) |\n| Hay **libros** en la mesa. (existen libros allí) | Hay **unos libros** en la mesa. (hay algunos libros, sin decir exactamente cuántos) |\n\nLas dos formas son correctas; cambia la manera de presentar el grupo.\n\n:::warning\nPara decir solamente la profesión, usa **Soy profesor\u002Fa**, sin *un\u002Funa*. En niveles posteriores verás que el artículo puede aparecer si añadimos una descripción: *Es **una profesora excelente***.\n:::\n\n## 7. Resumen práctico\n\nPara elegir la forma:\n\n1. Decide si el sustantivo es masculino o femenino.\n2. Decide si es singular o plural.\n3. Comprueba si presentas algo nuevo o no identificado.\n4. Elige **un, una, unos** o **unas**.\n5. Cambia al artículo definido cuando el referente ya está identificado.\n\n| Quieres expresar... | Usa... |\n| --- | --- |\n| un masculino singular | **un** |\n| un femenino singular | **una** |\n| algunos masculinos | **unos** |\n| algunas femeninas | **unas** |","es","A1",10,[13],{"id":14,"name":15,"level":10,"language":9,"isCompleted":16,"completionPercentage":17,"totalExercises":18,"completedExercises":17},"01a03036-6155-7255-8cd4-85b95f333b2d","Sustantivos y artículos básicos",false,0,24,"2026-07-20T12:11:26+00:00","2026-08-30T21:23:09+00:00",[22],{"id":23,"title":24,"grammarTopic":25,"displayOrder":26,"vocabularyListWords":27,"isPublished":39},"01a0548e-0511-728d-8eaf-f43a254f1c6f","Artículos indefinidos esenciales",{"id":14,"name":15,"level":10,"language":9,"isCompleted":16,"completionPercentage":17,"totalExercises":18,"completedExercises":17},4,[28,41,52,64],{"id":29,"vocabularyWord":30,"displayOrder":40},"01a0548e-0511-7315-8eaf-f43a25591056",{"id":31,"word":32,"frequency":11,"level":10,"language":9,"partsOfSpeech":33,"audio":16},"01a0548d-0520-780e-bb6f-a0a4a179a784","un",[34],{"id":35,"partOfSpeech":36,"definition":37,"exampleSentences":38,"isPrimary":39,"meaningOrder":40},"01a0548d-0540-797b-b226-7e2a58d7ccd9","DETERMINER","Artículo indefinido masculino singular que presenta un sustantivo todavía no identificado.","Hay un libro en la mesa.",true,1,{"id":42,"vocabularyWord":43,"displayOrder":51},"01a0548e-0511-7365-8eaf-f43a25f6ba80",{"id":44,"word":45,"frequency":11,"level":10,"language":9,"partsOfSpeech":46,"audio":16},"01a0548d-0521-73cb-aaee-4336fdf31ada","una",[47],{"id":48,"partOfSpeech":36,"definition":49,"exampleSentences":50,"isPrimary":39,"meaningOrder":40},"01a0548d-0540-7a87-b226-7e2a58f59913","Artículo indefinido femenino singular que presenta un sustantivo todavía no identificado.","Hay una farmacia aquí.",2,{"id":53,"vocabularyWord":54,"displayOrder":63},"01a0548e-0511-73a9-8eaf-f43a26c7f39a",{"id":55,"word":56,"frequency":57,"level":10,"language":9,"partsOfSpeech":58,"audio":16},"01a0548d-0523-7370-8454-8542d1df5a00","unos",9,[59],{"id":60,"partOfSpeech":36,"definition":61,"exampleSentences":62,"isPrimary":39,"meaningOrder":40},"01a0548d-0540-7de3-b226-7e2a59a6f06b","Artículo indefinido masculino plural que presenta algunos elementos o una cantidad aproximada.","Hay unos libros en la mesa.",3,{"id":65,"vocabularyWord":66,"displayOrder":26},"01a0548e-0511-73e5-8eaf-f43a27003918",{"id":67,"word":68,"frequency":57,"level":10,"language":9,"partsOfSpeech":69,"audio":16},"01a0548d-0521-7eab-aaee-4336fe86f4fc","unas",[70],{"id":71,"partOfSpeech":36,"definition":72,"exampleSentences":73,"isPrimary":39,"meaningOrder":40},"01a0548d-0540-7b9f-b226-7e2a5946b204","Artículo indefinido femenino plural que presenta algunos elementos o una cantidad aproximada.","Hay unas sillas en la clase.",{"name":15,"slug":75,"language":9},"sustantivos-y-articulos-basicos-a1",[],[78,87,93,100,105],{"@id":79,"@type":80,"id":81,"grammarPage":82,"title":83,"instructions":84,"displayOrder":17,"type":85,"isCompleted":16,"ogImageUrl":86},"\u002Fapi\u002Fgrammar_exercises\u002F019f7f70-33f4-7bbf-97f7-4364fdfa9ed6","GrammarExercise","019f7f70-33f4-7bbf-97f7-4364fdfa9ed6","\u002Fapi\u002Fgrammar_pages\u002F019f7f70-2dd9-779d-bc56-43830db35739","Las formas un, una, unos y unas","Elige la forma que concuerda con el género y el número, o la construcción especial indicada.","word_select","\u002Fuploads\u002Fimages\u002Fgpimg_019f7a88-b95e-7b32-842f-4e09b87876fc_hero.webp",{"@id":88,"@type":80,"id":89,"grammarPage":82,"title":90,"instructions":91,"displayOrder":40,"type":85,"isCompleted":16,"ogImageUrl":92},"\u002Fapi\u002Fgrammar_exercises\u002F019f7f70-340d-7538-a291-9a455261f988","019f7f70-340d-7538-a291-9a455261f988","Información nueva, conocida y sin artículo","Usa el contexto para elegir un artículo indefinido, uno definido, la forma natural sin artículo o la posición que corresponde al significado indicado.","\u002Fuploads\u002Fimages\u002Fgpimg_019f7a88-b990-7ace-ae38-89483967ef27_hero.webp",{"@id":94,"@type":80,"id":95,"grammarPage":82,"title":96,"instructions":97,"displayOrder":51,"type":98,"isCompleted":16,"ogImageUrl":99},"\u002Fapi\u002Fgrammar_exercises\u002F019faa5f-b672-76e0-8530-7532c3452e18","019faa5f-b672-76e0-8530-7532c3452e18","Construye formas e información nueva","Toca las palabras en el orden correcto para formar cada oración. Hay una palabra que no pertenece.","sentence_builder","\u002Fuploads\u002Fimages\u002Fgpimg_c2dbbb95-e683-434a-b70b-0e5b6a0f5ed5_hero.webp",{"@id":101,"@type":80,"id":102,"grammarPage":82,"title":103,"instructions":97,"displayOrder":63,"type":98,"isCompleted":16,"ogImageUrl":104},"\u002Fapi\u002Fgrammar_exercises\u002F019faa5f-b683-7241-bd00-97c2d6144b95","019faa5f-b683-7241-bd00-97c2d6144b95","Construye cantidad, referencia y omisión","\u002Fuploads\u002Fimages\u002Fgpimg_82908133-d545-4bfd-b5fb-7df9ff1d68d0_hero.webp",{"@id":106,"@type":80,"id":107,"grammarPage":82,"title":108,"instructions":109,"displayOrder":26,"type":110,"isCompleted":16},"\u002Fapi\u002Fgrammar_exercises\u002F01a01413-c81c-7f02-a90c-b72a7193cd27","01a01413-c81c-7f02-a90c-b72a7193cd27","Corrige el artículo indefinido","Cada oración contiene una palabra incorrecta. Tócala y elige la corrección.","find_and_fix",{"019f7f70-33f4-7bbf-97f7-4364fdfa9ed6":112,"019f7f70-340d-7538-a291-9a455261f988":387,"019faa5f-b672-76e0-8530-7532c3452e18":680,"019faa5f-b683-7241-bd00-97c2d6144b95":812,"01a01413-c81c-7f02-a90c-b72a7193cd27":945},{"id":81,"grammarPage":82,"title":83,"instructions":84,"displayOrder":17,"type":85,"questions":113,"ogImageUrl":86},[114,129,144,159,174,204,223,242,259,275,293,311,330,349,368],{"id":115,"sentenceTemplate":116,"displayOrder":17,"explanation":117,"exampleSentence":118,"blanks":119},"019f7f70-33f4-7dab-97f7-436500008a70","Necesito __1__ cuaderno cuadriculado para matemáticas.","«Cuaderno» es masculino singular, por eso usamos «un».","Tengo un bolígrafo azul en la mochila.",[120],{"id":121,"blankNumber":40,"options":122},"019f7f70-33f4-7d33-97f7-4364ffcd47c1",[123,125,127],{"id":124,"optionText":45,"isCorrect":16,"displayOrder":17},"019f7f70-33f4-7c5b-97f7-4364fe817183",{"id":126,"optionText":56,"isCorrect":16,"displayOrder":40},"019f7f70-33f4-7cab-97f7-4364ff6ee3ef",{"id":128,"optionText":32,"isCorrect":39,"displayOrder":51},"019f7f70-33f4-7cef-97f7-4364ffc89cfa",{"id":130,"sentenceTemplate":131,"displayOrder":40,"explanation":132,"exampleSentence":133,"blanks":134},"019f7f70-33f4-7f73-97f7-436502629d40","Compramos __1__ lámpara pequeña para el escritorio.","«Lámpara» es femenino singular, así que corresponde «una».","Hay una planta junto a la ventana.",[135],{"id":136,"blankNumber":40,"options":137},"019f7f70-33f4-7f03-97f7-436502479b1b",[138,140,142],{"id":139,"optionText":45,"isCorrect":39,"displayOrder":17},"019f7f70-33f4-7e3b-97f7-436500edfd06",{"id":141,"optionText":32,"isCorrect":16,"displayOrder":40},"019f7f70-33f4-7e7f-97f7-43650184ea50",{"id":143,"optionText":68,"isCorrect":16,"displayOrder":51},"019f7f70-33f4-7ec3-97f7-436501b63b8f",{"id":145,"sentenceTemplate":146,"displayOrder":51,"explanation":147,"exampleSentence":148,"blanks":149},"019f7f70-33f5-71a6-86fc-7ca58ca7993b","En la entrada hay __1__ zapatos negros.","«Zapatos» es masculino plural; «unos» concuerda en género y número.","Veo unos pájaros en el jardín.",[150],{"id":151,"blankNumber":40,"options":152},"019f7f70-33f5-7136-86fc-7ca58c9d6440",[153,155,157],{"id":154,"optionText":68,"isCorrect":16,"displayOrder":17},"019f7f70-33f5-7056-86fc-7ca58ad6f5d5",{"id":156,"optionText":56,"isCorrect":39,"displayOrder":40},"019f7f70-33f5-70a2-86fc-7ca58b6f67e6",{"id":158,"optionText":32,"isCorrect":16,"displayOrder":51},"019f7f70-33f5-70f6-86fc-7ca58c6a87a9",{"id":160,"sentenceTemplate":161,"displayOrder":63,"explanation":162,"exampleSentence":163,"blanks":164},"019f7f70-33f5-7362-86fc-7ca58e2aec40","Para el viaje necesito __1__ camisetas cómodas.","«Camisetas» es femenino plural, por eso usamos «unas».","Ella compra unas naranjas para el desayuno.",[165],{"id":166,"blankNumber":40,"options":167},"019f7f70-33f5-72f2-86fc-7ca58dfa67c6",[168,170,172],{"id":169,"optionText":56,"isCorrect":16,"displayOrder":17},"019f7f70-33f5-722e-86fc-7ca58cc4032d",{"id":171,"optionText":45,"isCorrect":16,"displayOrder":40},"019f7f70-33f5-7272-86fc-7ca58cdce2e9",{"id":173,"optionText":68,"isCorrect":39,"displayOrder":51},"019f7f70-33f5-72b2-86fc-7ca58d28bc99",{"id":175,"sentenceTemplate":176,"displayOrder":26,"explanation":177,"exampleSentence":178,"blanks":179},"019f7f70-33f5-766e-86fc-7ca5933ed954","En singular decimos __1__; en plural, __2__.","«Aula» es femenino, pero por la a tónica usa «un» en singular; en plural vuelve a «unas».","El centro tiene un aula luminosa y unas aulas amplias.",[180,192],{"id":181,"blankNumber":40,"options":182},"019f7f70-33f5-74c2-86fc-7ca5905cda28",[183,186,189],{"id":184,"optionText":185,"isCorrect":16,"displayOrder":17},"019f7f70-33f5-73e6-86fc-7ca58e6fdbd4","una aula luminosa",{"id":187,"optionText":188,"isCorrect":16,"displayOrder":40},"019f7f70-33f5-742a-86fc-7ca58ebb03bb","un aula luminoso",{"id":190,"optionText":191,"isCorrect":39,"displayOrder":51},"019f7f70-33f5-746a-86fc-7ca58fa6909a","un aula luminosa",{"id":193,"blankNumber":51,"options":194},"019f7f70-33f5-75fe-86fc-7ca5924b1e7b",[195,198,201],{"id":196,"optionText":197,"isCorrect":16,"displayOrder":17},"019f7f70-33f5-7536-86fc-7ca59110be3d","unos aulas luminosos",{"id":199,"optionText":200,"isCorrect":39,"displayOrder":40},"019f7f70-33f5-757a-86fc-7ca5916c88e9","unas aulas luminosas",{"id":202,"optionText":203,"isCorrect":16,"displayOrder":51},"019f7f70-33f5-75be-86fc-7ca59237a4ff","un aulas luminosa",{"id":205,"sentenceTemplate":206,"displayOrder":207,"explanation":208,"exampleSentence":209,"blanks":210},"019f7f70-33f5-786a-86fc-7ca595d75ace","El leñador lleva __1__ para trabajar.",5,"«Hacha» es femenino, pero empieza por ha- tónica: usamos «un» y mantenemos el adjetivo femenino «afilada».","En el museo vemos un arma antigua.",[211],{"id":212,"blankNumber":40,"options":213},"019f7f70-33f5-77ee-86fc-7ca595402358",[214,217,220],{"id":215,"optionText":216,"isCorrect":16,"displayOrder":17},"019f7f70-33f5-7726-86fc-7ca59412fe8d","una hacha afilada",{"id":218,"optionText":219,"isCorrect":39,"displayOrder":40},"019f7f70-33f5-776a-86fc-7ca594b91389","un hacha afilada",{"id":221,"optionText":222,"isCorrect":16,"displayOrder":51},"019f7f70-33f5-77ae-86fc-7ca594bb390e","un hacha afilado",{"id":224,"sentenceTemplate":225,"displayOrder":226,"explanation":227,"exampleSentence":228,"blanks":229},"019f7f70-33f5-7a22-86fc-7ca598560a23","Aunque decimos «un aula», el sustantivo «aula» sigue siendo __1__.",6,"El uso de «un» ante a tónica no cambia el género femenino del sustantivo.","Por eso decimos «un aula nueva», con el adjetivo en femenino.",[230],{"id":231,"blankNumber":40,"options":232},"019f7f70-33f5-79b6-86fc-7ca5983d6b22",[233,236,239],{"id":234,"optionText":235,"isCorrect":16,"displayOrder":17},"019f7f70-33f5-78f2-86fc-7ca596962616","masculino",{"id":237,"optionText":238,"isCorrect":16,"displayOrder":40},"019f7f70-33f5-7932-86fc-7ca596b3c4f2","plural",{"id":240,"optionText":241,"isCorrect":39,"displayOrder":51},"019f7f70-33f5-7976-86fc-7ca597948a0c","femenino",{"id":243,"sentenceTemplate":244,"displayOrder":245,"explanation":246,"exampleSentence":247,"blanks":248},"019f7f70-33f5-7bda-86fc-7ca59b27a996","Tengo tres cuadernos, ya uso dos y necesito __1__ para ciencias.",7,"Cuando contamos sin repetir el sustantivo masculino, usamos «uno».","Hay varios vasos; dame uno, por favor.",[249],{"id":250,"blankNumber":40,"options":251},"019f7f70-33f5-7b6e-86fc-7ca59b122bfe",[252,255,257],{"id":253,"optionText":254,"isCorrect":39,"displayOrder":17},"019f7f70-33f5-7aaa-86fc-7ca598dee614","uno",{"id":256,"optionText":32,"isCorrect":16,"displayOrder":40},"019f7f70-33f5-7aea-86fc-7ca599aaf798",{"id":258,"optionText":56,"isCorrect":16,"displayOrder":51},"019f7f70-33f5-7b2e-86fc-7ca59a4840df",{"id":260,"sentenceTemplate":261,"displayOrder":262,"explanation":263,"exampleSentence":264,"blanks":265},"019f7f70-33f5-7d8e-86fc-7ca59e2adf7c","Delante del sustantivo masculino singular, la forma correcta es «Quiero __1__ cuaderno», no «uno cuaderno».",8,"Delante de un sustantivo masculino singular usamos «un», no «uno».","Decimos «un teléfono», pero «quiero uno» si omitimos «teléfono».",[266],{"id":267,"blankNumber":40,"options":268},"019f7f70-33f5-7d22-86fc-7ca59dbcd818",[269,271,273],{"id":270,"optionText":254,"isCorrect":16,"displayOrder":17},"019f7f70-33f5-7c5e-86fc-7ca59b86547c",{"id":272,"optionText":45,"isCorrect":16,"displayOrder":40},"019f7f70-33f5-7ca2-86fc-7ca59c407321",{"id":274,"optionText":32,"isCorrect":39,"displayOrder":51},"019f7f70-33f5-7ce2-86fc-7ca59ce5f867",{"id":276,"sentenceTemplate":277,"displayOrder":57,"explanation":278,"exampleSentence":279,"blanks":280},"019f7f70-33f5-7f4a-86fc-7ca5a07e7e76","Ya tengo un lápiz rojo; ahora necesito __1__ azul.","Con «otro» no añadimos «un»: decimos «otro lápiz».","Voy a leer otro libro esta semana.",[281],{"id":282,"blankNumber":40,"options":283},"019f7f70-33f5-7eda-86fc-7ca5a01fd906",[284,287,290],{"id":285,"optionText":286,"isCorrect":16,"displayOrder":17},"019f7f70-33f5-7e16-86fc-7ca59e8ac801","un otro lápiz",{"id":288,"optionText":289,"isCorrect":39,"displayOrder":40},"019f7f70-33f5-7e5a-86fc-7ca59ea7395d","otro lápiz",{"id":291,"optionText":292,"isCorrect":16,"displayOrder":51},"019f7f70-33f5-7e9a-86fc-7ca59f6df78a","uno otro lápiz",{"id":294,"sentenceTemplate":295,"displayOrder":11,"explanation":296,"exampleSentence":297,"blanks":298},"019f7f70-33f6-7175-852f-9c41cd1eecfe","Esta taza está rota; tráeme __1__, por favor.","Con «otra» no usamos «una»: la forma correcta es «otra taza».","Necesitamos otra mesa para la cocina.",[299],{"id":300,"blankNumber":40,"options":301},"019f7f70-33f6-7105-852f-9c41cc747cdd",[302,305,308],{"id":303,"optionText":304,"isCorrect":16,"displayOrder":17},"019f7f70-33f6-703d-852f-9c41ca4ac3bb","una otra taza",{"id":306,"optionText":307,"isCorrect":16,"displayOrder":40},"019f7f70-33f6-7085-852f-9c41cad2f133","otro taza",{"id":309,"optionText":310,"isCorrect":39,"displayOrder":51},"019f7f70-33f6-70c5-852f-9c41cbbff5ed","otra taza",{"id":312,"sentenceTemplate":313,"displayOrder":314,"explanation":315,"exampleSentence":316,"blanks":317},"019f7f70-33f6-732d-852f-9c41d08197ae","En el parque juegan __1__; no sabemos exactamente cuántos.",11,"«Unos» con un plural masculino puede significar «algunos».","Unos vecinos hablan en la entrada.",[318],{"id":319,"blankNumber":40,"options":320},"019f7f70-33f6-72c1-852f-9c41d00732dd",[321,324,327],{"id":322,"optionText":323,"isCorrect":16,"displayOrder":17},"019f7f70-33f6-71f9-852f-9c41cd7b070c","unas niños",{"id":325,"optionText":326,"isCorrect":16,"displayOrder":40},"019f7f70-33f6-723d-852f-9c41ce659ceb","un niños",{"id":328,"optionText":329,"isCorrect":39,"displayOrder":51},"019f7f70-33f6-727d-852f-9c41cf5f1815","unos niños",{"id":331,"sentenceTemplate":332,"displayOrder":333,"explanation":334,"exampleSentence":335,"blanks":336},"019f7f70-33f6-7501-852f-9c41d2d837d7","Sobre la mesa hay __1__ para la fiesta.",12,"«Unas» con un plural femenino expresa un grupo pequeño o no exacto.","Compramos unas flores para Ana.",[337],{"id":338,"blankNumber":40,"options":339},"019f7f70-33f6-7479-852f-9c41d2c9cc36",[340,343,346],{"id":341,"optionText":342,"isCorrect":39,"displayOrder":17},"019f7f70-33f6-73b5-852f-9c41d0d4b73c","unas velas",{"id":344,"optionText":345,"isCorrect":16,"displayOrder":40},"019f7f70-33f6-73f9-852f-9c41d146b841","unos velas",{"id":347,"optionText":348,"isCorrect":16,"displayOrder":51},"019f7f70-33f6-7439-852f-9c41d23e7266","una velas",{"id":350,"sentenceTemplate":351,"displayOrder":352,"explanation":353,"exampleSentence":354,"blanks":355},"019f7f70-33f6-76bd-852f-9c41d530e274","El billete cuesta aproximadamente __1__.",13,"Para una cantidad aproximada de euros, colocamos «unos» antes del número: «unos quince euros».","La cena cuesta unos treinta euros.",[356],{"id":357,"blankNumber":40,"options":358},"019f7f70-33f6-764d-852f-9c41d4993b07",[359,362,365],{"id":360,"optionText":361,"isCorrect":16,"displayOrder":17},"019f7f70-33f6-758d-852f-9c41d36eb90b","quince unos euros",{"id":363,"optionText":364,"isCorrect":16,"displayOrder":40},"019f7f70-33f6-75cd-852f-9c41d3af3461","unas quince euros",{"id":366,"optionText":367,"isCorrect":39,"displayOrder":51},"019f7f70-33f6-7611-852f-9c41d3b0f732","unos quince euros",{"id":369,"sentenceTemplate":370,"displayOrder":371,"explanation":372,"exampleSentence":373,"blanks":374},"019f7f70-33f6-7881-852f-9c41d7b57627","El trayecto dura aproximadamente __1__.",14,"«Horas» es femenino plural, así que usamos «unas» antes del número.","El curso dura unas seis semanas.",[375],{"id":376,"blankNumber":40,"options":377},"019f7f70-33f6-7811-852f-9c41d6bf2f6f",[378,381,384],{"id":379,"optionText":380,"isCorrect":16,"displayOrder":17},"019f7f70-33f6-7741-852f-9c41d58b6cee","unos cuatro horas",{"id":382,"optionText":383,"isCorrect":39,"displayOrder":40},"019f7f70-33f6-7785-852f-9c41d5959d6e","unas cuatro horas",{"id":385,"optionText":386,"isCorrect":16,"displayOrder":51},"019f7f70-33f6-77d1-852f-9c41d64608d4","cuatro unas horas",{"id":89,"grammarPage":82,"title":90,"instructions":91,"displayOrder":40,"type":85,"questions":388,"ogImageUrl":92},[389,419,437,455,473,491,509,524,542,560,578,596,626,644,662],{"id":390,"sentenceTemplate":391,"displayOrder":17,"explanation":392,"exampleSentence":393,"blanks":394},"019fc2c5-2b84-7d77-8f3c-034bcc29cbfc","Al contar la historia por primera vez, digo: «En la calle hay __1__. __2__ es verde».","Primero presentamos «bicicleta» con «una»; después ya está identificada y usamos «la».","Veo un gato. El gato duerme bajo un árbol.",[395,407],{"id":396,"blankNumber":40,"options":397},"019fc2c5-2b84-7c73-8f3c-034bc9a9f5bb",[398,401,404],{"id":399,"optionText":400,"isCorrect":39,"displayOrder":17},"019fc2c5-2b84-7bb7-8f3c-034bc8558031","una bicicleta",{"id":402,"optionText":403,"isCorrect":16,"displayOrder":40},"019fc2c5-2b84-7c17-8f3c-034bc8899483","la bicicleta",{"id":405,"optionText":406,"isCorrect":16,"displayOrder":51},"019fc2c5-2b84-7c4b-8f3c-034bc961111d","un bicicleta",{"id":408,"blankNumber":51,"options":409},"019fc2c5-2b84-7d2b-8f3c-034bcbe3b79a",[410,413,416],{"id":411,"optionText":412,"isCorrect":16,"displayOrder":17},"019fc2c5-2b84-7cbb-8f3c-034bca1f3bc0","Una bicicleta",{"id":414,"optionText":415,"isCorrect":39,"displayOrder":40},"019fc2c5-2b84-7cdf-8f3c-034bca80c99d","La bicicleta",{"id":417,"optionText":418,"isCorrect":16,"displayOrder":51},"019fc2c5-2b84-7cff-8f3c-034bcb54b4f5","El bicicleta",{"id":420,"sentenceTemplate":421,"displayOrder":40,"explanation":422,"exampleSentence":423,"blanks":424},"019fc2c5-2b84-7e7b-8f3c-034bcdfd5726","En la mesa hay un pastel. ¿Quieres probar __1__?","Primero presentamos «un pastel»; después usamos «el pastel» porque ya sabemos cuál es.","Hay una carta para ti. La carta está en la cocina.",[425],{"id":426,"blankNumber":40,"options":427},"019fc2c5-2b84-7e3f-8f3c-034bcd638653",[428,431,434],{"id":429,"optionText":430,"isCorrect":39,"displayOrder":17},"019fc2c5-2b84-7ddb-8f3c-034bcc37b720","el pastel",{"id":432,"optionText":433,"isCorrect":16,"displayOrder":40},"019fc2c5-2b84-7e03-8f3c-034bcc9dd774","un pastel",{"id":435,"optionText":436,"isCorrect":16,"displayOrder":51},"019fc2c5-2b84-7e1f-8f3c-034bcd3cfbdb","la pastel",{"id":438,"sentenceTemplate":439,"displayOrder":51,"explanation":440,"exampleSentence":441,"blanks":442},"019fc2c5-2b84-7f87-8f3c-034bd1e8550c","En la cafetería pido una unidad: «Quiero __1__, por favor».","Para pedir una unidad masculina no identificada usamos «un».","En el mercado digo «quiero una manzana».",[443],{"id":444,"blankNumber":40,"options":445},"019fc2c5-2b84-7f4b-8f3c-034bd11f3435",[446,449,452],{"id":447,"optionText":448,"isCorrect":16,"displayOrder":17},"019fc2c5-2b84-7edf-8f3c-034bcec8d982","una té",{"id":450,"optionText":451,"isCorrect":39,"displayOrder":40},"019fc2c5-2b84-7f03-8f3c-034bcfaaba11","un té",{"id":453,"optionText":454,"isCorrect":16,"displayOrder":51},"019fc2c5-2b84-7f2b-8f3c-034bd074fc69","unos té",{"id":456,"sentenceTemplate":457,"displayOrder":63,"explanation":458,"exampleSentence":459,"blanks":460},"019fc2c5-2b85-70ca-b548-4983fb18293c","Para decir que existe un lugar no identificado cerca, digo: «Hay __1__ en esta esquina».","«Una panadería» presenta por primera vez un lugar cuya identidad exacta no conocemos.","Hay una parada de autobús frente al banco.",[461],{"id":462,"blankNumber":40,"options":463},"019fc2c5-2b85-7092-b548-4983fae650ec",[464,467,470],{"id":465,"optionText":466,"isCorrect":39,"displayOrder":17},"019fc2c5-2b85-702a-b548-4983f9435868","una panadería",{"id":468,"optionText":469,"isCorrect":16,"displayOrder":40},"019fc2c5-2b85-7056-b548-4983f9ecb864","la panadería que ya conocemos",{"id":471,"optionText":472,"isCorrect":16,"displayOrder":51},"019fc2c5-2b85-7076-b548-4983fab6d40d","un panadería",{"id":474,"sentenceTemplate":475,"displayOrder":26,"explanation":476,"exampleSentence":477,"blanks":478},"019fc2c5-2b85-71a2-b548-4983fd3cce33","Todavía no he elegido un lugar concreto: busco __1__ para esta noche.","Usamos «una» porque buscamos una habitación no identificada.","Necesitan un apartamento con dos dormitorios.",[479],{"id":480,"blankNumber":40,"options":481},"019fc2c5-2b85-716a-b548-4983fc6ee783",[482,485,488],{"id":483,"optionText":484,"isCorrect":16,"displayOrder":17},"019fc2c5-2b85-710e-b548-4983fb1a8073","la habitación 204",{"id":486,"optionText":487,"isCorrect":39,"displayOrder":40},"019fc2c5-2b85-712e-b548-4983fb2d5dcd","una habitación tranquila",{"id":489,"optionText":490,"isCorrect":16,"displayOrder":51},"019fc2c5-2b85-714e-b548-4983fba74a78","un habitación tranquila",{"id":492,"sentenceTemplate":493,"displayOrder":207,"explanation":494,"exampleSentence":495,"blanks":496},"019fc2c5-2b85-727a-b548-4983ff8d09e2","Hay varias enfermeras en la sala y __1__ quiere hablar contigo; no sé cuál.","«Una enfermera» presenta a una persona no identificada entre varias.","Un estudiante del grupo tiene una pregunta.",[497],{"id":498,"blankNumber":40,"options":499},"019fc2c5-2b85-7242-b548-4983ff66cd88",[500,503,506],{"id":501,"optionText":502,"isCorrect":39,"displayOrder":17},"019fc2c5-2b85-71e6-b548-4983fd7f3257","una enfermera",{"id":504,"optionText":505,"isCorrect":16,"displayOrder":40},"019fc2c5-2b85-7206-b548-4983fe11d438","la enfermera llamada Rosa",{"id":507,"optionText":508,"isCorrect":16,"displayOrder":51},"019fc2c5-2b85-7226-b548-4983ff0a3649","un enfermera",{"id":510,"sentenceTemplate":511,"displayOrder":226,"explanation":512,"exampleSentence":513,"blanks":514},"019fc2c5-2b85-736a-b548-498402baed91","Hay varias chaquetas de mi talla. Quiero __1__, pero todavía no sé cuál.","Sin repetir el sustantivo femenino, «una» significa una unidad dentro del grupo.","Tengo tres entradas y puedo darte una.",[515],{"id":516,"blankNumber":40,"options":517},"019fc2c5-2b85-7332-b548-498401e0632d",[518,520,522],{"id":519,"optionText":32,"isCorrect":16,"displayOrder":17},"019fc2c5-2b85-72ca-b548-498400402700",{"id":521,"optionText":68,"isCorrect":16,"displayOrder":40},"019fc2c5-2b85-72ea-b548-49840087c1e1",{"id":523,"optionText":45,"isCorrect":39,"displayOrder":51},"019fc2c5-2b85-7316-b548-498401743221",{"id":525,"sentenceTemplate":526,"displayOrder":245,"explanation":527,"exampleSentence":528,"blanks":529},"019fc2c5-2b85-745e-b548-4984048e1ef0","No importa qué coche venga; para ir a la estación necesito __1__.","«Un taxi» indica cualquier taxi adecuado, sin identificar uno concreto.","Busco un cajero automático por esta zona.",[530],{"id":531,"blankNumber":40,"options":532},"019fc2c5-2b85-7426-b548-498404038594",[533,536,539],{"id":534,"optionText":535,"isCorrect":16,"displayOrder":17},"019fc2c5-2b85-73ca-b548-4984032ad322","el taxi de Marcos",{"id":537,"optionText":538,"isCorrect":39,"displayOrder":40},"019fc2c5-2b85-73ee-b548-49840360b70c","un taxi",{"id":540,"optionText":541,"isCorrect":16,"displayOrder":51},"019fc2c5-2b85-740a-b548-498403a4f10f","una taxi",{"id":543,"sentenceTemplate":544,"displayOrder":262,"explanation":545,"exampleSentence":546,"blanks":547},"019fc2c5-2b85-7556-b548-498406843272","La ventana de la cocina ya está identificada. Por eso digo: «Cierra __1__».","Usamos el artículo definido «la» porque sabemos exactamente qué ventana es.","Abre la puerta del dormitorio, por favor.",[548],{"id":549,"blankNumber":40,"options":550},"019fc2c5-2b85-751e-b548-498406829be1",[551,554,557],{"id":552,"optionText":553,"isCorrect":39,"displayOrder":17},"019fc2c5-2b85-74be-b548-498405297711","la ventana",{"id":555,"optionText":556,"isCorrect":16,"displayOrder":40},"019fc2c5-2b85-74e2-b548-4984053bc15e","una ventana cualquiera",{"id":558,"optionText":559,"isCorrect":16,"displayOrder":51},"019fc2c5-2b85-7502-b548-498405b25cec","un ventana",{"id":561,"sentenceTemplate":562,"displayOrder":57,"explanation":563,"exampleSentence":564,"blanks":565},"019fc2c5-2b85-762a-b548-498409288bca","Para indicar solamente mi profesión, digo «Soy __1__».","Después de «ser», cuando solo identificamos la profesión, no usamos artículo indefinido.","Mi hermana es arquitecta.",[566],{"id":567,"blankNumber":40,"options":568},"019fc2c5-2b85-75f2-b548-498408a76251",[569,572,575],{"id":570,"optionText":571,"isCorrect":16,"displayOrder":17},"019fc2c5-2b85-759a-b548-498406e44c57","un estudiante",{"id":573,"optionText":574,"isCorrect":39,"displayOrder":40},"019fc2c5-2b85-75ba-b548-4984073141d1","estudiante",{"id":576,"optionText":577,"isCorrect":16,"displayOrder":51},"019fc2c5-2b85-75d6-b548-498407eceaec","uno estudiante",{"id":579,"sentenceTemplate":580,"displayOrder":11,"explanation":581,"exampleSentence":582,"blanks":583},"019fc2c5-2b85-770a-b548-49840a3258a1","Para escribir una nota, necesito __1__.","Delante del sustantivo masculino singular «bolígrafo» usamos «un», no «uno».","Quiero un lápiz para el dibujo.",[584],{"id":585,"blankNumber":40,"options":586},"019fc2c5-2b85-76d2-b548-49840a2b5fed",[587,590,593],{"id":588,"optionText":589,"isCorrect":16,"displayOrder":17},"019fc2c5-2b85-766a-b548-49840931b6fb","uno bolígrafo",{"id":591,"optionText":592,"isCorrect":16,"displayOrder":40},"019fc2c5-2b85-768a-b548-4984099e07d4","una bolígrafo",{"id":594,"optionText":595,"isCorrect":39,"displayOrder":51},"019fc2c5-2b85-76a6-b548-498409d9476e","un bolígrafo",{"id":597,"sentenceTemplate":598,"displayOrder":314,"explanation":599,"exampleSentence":600,"blanks":601},"019fc2c5-2b85-7872-b548-49840fca7f87","Para una comida sin cantidades concretas, decimos «Compramos __1__ y llevamos __2__».","Con comida y sustancias en cantidad no concreta omitimos el artículo: «pan» y «agua».","Necesito arroz y leche para esta receta.",[602,614],{"id":603,"blankNumber":40,"options":604},"019fc2c5-2b85-77a6-b548-49840bd7a1e8",[605,608,611],{"id":606,"optionText":607,"isCorrect":16,"displayOrder":17},"019fc2c5-2b85-774e-b548-49840a398093","un pan",{"id":609,"optionText":610,"isCorrect":39,"displayOrder":40},"019fc2c5-2b85-776e-b548-49840ad8b211","pan",{"id":612,"optionText":613,"isCorrect":16,"displayOrder":51},"019fc2c5-2b85-778a-b548-49840bae2039","unos pan",{"id":615,"blankNumber":51,"options":616},"019fc2c5-2b85-783a-b548-49840ed90602",[617,620,623],{"id":618,"optionText":619,"isCorrect":39,"displayOrder":17},"019fc2c5-2b85-77d6-b548-49840cc13721","agua",{"id":621,"optionText":622,"isCorrect":16,"displayOrder":40},"019fc2c5-2b85-77f2-b548-49840d71bdde","una agua",{"id":624,"optionText":625,"isCorrect":16,"displayOrder":51},"019fc2c5-2b85-781e-b548-49840e266be2","unas agua",{"id":627,"sentenceTemplate":628,"displayOrder":333,"explanation":629,"exampleSentence":630,"blanks":631},"019fc2c5-2b85-796e-b548-4984119e3187","En mi bolsa tengo __1__ de las vacaciones.","«Fotos» es femenino plural, por eso usamos «unas».","Guardamos unas cartas antiguas en una caja.",[632],{"id":633,"blankNumber":40,"options":634},"019fc2c5-2b85-7936-b548-498410fc71f3",[635,638,641],{"id":636,"optionText":637,"isCorrect":39,"displayOrder":17},"019fc2c5-2b85-78d2-b548-49840ffd3d51","unas fotos",{"id":639,"optionText":640,"isCorrect":16,"displayOrder":40},"019fc2c5-2b85-78fe-b548-4984104290ec","unos fotos",{"id":642,"optionText":643,"isCorrect":16,"displayOrder":51},"019fc2c5-2b85-791a-b548-498410b55742","una fotos",{"id":645,"sentenceTemplate":646,"displayOrder":352,"explanation":647,"exampleSentence":648,"blanks":649},"019fc2c5-2b85-7a3e-b548-498414b993e3","Para expresar existencia general, sin destacar una cantidad, digo «Hay __1__ cerca».","Con un plural sin cantidad concreta después de «hay», podemos omitir el artículo.","Hay bancos en el centro.",[650],{"id":651,"blankNumber":40,"options":652},"019fc2c5-2b85-7a06-b548-49841497d6f1",[653,656,659],{"id":654,"optionText":655,"isCorrect":16,"displayOrder":17},"019fc2c5-2b85-79b2-b548-498412616dea","una tiendas",{"id":657,"optionText":658,"isCorrect":39,"displayOrder":40},"019fc2c5-2b85-79ce-b548-4984133d0fa3","tiendas",{"id":660,"optionText":661,"isCorrect":16,"displayOrder":51},"019fc2c5-2b85-79ea-b548-498413e73597","un tiendas",{"id":663,"sentenceTemplate":664,"displayOrder":371,"explanation":665,"exampleSentence":666,"blanks":667},"019fc2c5-2b85-7b1a-b548-4984184c64fc","Ya tengo un billete; ahora necesito __1__ para mi amiga.","Con «otro» no usamos «un»: decimos «otro billete».","Busco otra silla para la visita.",[668],{"id":669,"blankNumber":40,"options":670},"019fc2c5-2b85-7ae2-b548-4984178ec78f",[671,674,677],{"id":672,"optionText":673,"isCorrect":16,"displayOrder":17},"019fc2c5-2b85-7a86-b548-498415ac3e69","un otro billete",{"id":675,"optionText":676,"isCorrect":16,"displayOrder":40},"019fc2c5-2b85-7aaa-b548-4984169c0c9a","otra billete",{"id":678,"optionText":679,"isCorrect":39,"displayOrder":51},"019fc2c5-2b85-7ac6-b548-4984174fdc25","otro billete",{"id":95,"grammarPage":82,"title":96,"instructions":97,"displayOrder":51,"type":98,"questions":681,"ogImageUrl":99},[682,696,709,722,735,748,761,773,786,799],{"id":683,"sentenceTemplate":684,"displayOrder":17,"explanation":685,"exampleSentence":686,"blanks":687},"019faa5f-b672-7844-8530-7532c65d6ee8","Construye la oración: __1__","«Árbol» es masculino singular, por eso usamos «un».","Veo un coche rojo.",[688],{"id":689,"blankNumber":40,"options":690},"019faa5f-b672-77f8-8530-7532c5cb059a",[691,693],{"id":692,"optionText":45,"isCorrect":16,"displayOrder":17},"019faa5f-b672-778c-8530-7532c420bce0",{"id":694,"optionText":695,"isCorrect":39,"displayOrder":40},"019faa5f-b672-77cc-8530-7532c4df7ff2","Hay un árbol alto.",{"id":697,"sentenceTemplate":684,"displayOrder":40,"explanation":698,"exampleSentence":699,"blanks":700},"019faa5f-b672-7914-8530-7532c828df68","«Alfombra» es femenino singular, por eso usamos «una».","Necesitamos una cortina nueva.",[701],{"id":702,"blankNumber":40,"options":703},"019faa5f-b672-78e0-8530-7532c7878f58",[704,707],{"id":705,"optionText":706,"isCorrect":39,"displayOrder":17},"019faa5f-b672-789c-8530-7532c67e9778","Compramos una alfombra redonda.",{"id":708,"optionText":32,"isCorrect":16,"displayOrder":40},"019faa5f-b672-78c0-8530-7532c774b980",{"id":710,"sentenceTemplate":684,"displayOrder":51,"explanation":711,"exampleSentence":712,"blanks":713},"019faa5f-b672-79d0-8530-7532cb06389d","«Barcos» es masculino plural, por eso usamos «unos».","Hay unos vasos limpios.",[714],{"id":715,"blankNumber":40,"options":716},"019faa5f-b672-799c-8530-7532ca2a9d20",[717,719],{"id":718,"optionText":68,"isCorrect":16,"displayOrder":17},"019faa5f-b672-7958-8530-7532c8cbcba2",{"id":720,"optionText":721,"isCorrect":39,"displayOrder":40},"019faa5f-b672-797c-8530-7532c9363656","Veo unos barcos pequeños.",{"id":723,"sentenceTemplate":684,"displayOrder":63,"explanation":724,"exampleSentence":725,"blanks":726},"019faa5f-b672-7a98-8530-7532cdea74f4","«Ensaladas» es femenino plural, por eso usamos «unas».","Compramos unas entradas baratas.",[727],{"id":728,"blankNumber":40,"options":729},"019faa5f-b672-7a64-8530-7532cd2b5b9b",[730,733],{"id":731,"optionText":732,"isCorrect":39,"displayOrder":17},"019faa5f-b672-7a10-8530-7532cbaf09a8","Preparo unas ensaladas frescas.",{"id":734,"optionText":56,"isCorrect":16,"displayOrder":40},"019faa5f-b672-7a30-8530-7532ccad685e",{"id":736,"sentenceTemplate":684,"displayOrder":26,"explanation":737,"exampleSentence":738,"blanks":739},"019faa5f-b672-7b50-8530-7532d05c18ad","«Aula» es femenino, pero en singular usa «un» porque empieza por a tónica; «moderna» sigue en femenino.","Necesitamos un aula grande para el examen.",[740],{"id":741,"blankNumber":40,"options":742},"019faa5f-b672-7b20-8530-7532cfb6e4c8",[743,745],{"id":744,"optionText":68,"isCorrect":16,"displayOrder":17},"019faa5f-b672-7adc-8530-7532ced7d318",{"id":746,"optionText":747,"isCorrect":39,"displayOrder":40},"019faa5f-b672-7b00-8530-7532cf57bb8e","La escuela tiene un aula moderna.",{"id":749,"sentenceTemplate":684,"displayOrder":207,"explanation":750,"exampleSentence":751,"blanks":752},"019faa5f-b672-7c04-8530-7532d31e7301","«Hacha» es femenino, pero en singular usa «un» porque empieza por ha tónica; «antigua» sigue en femenino.","Vemos un águila blanca sobre la montaña.",[753],{"id":754,"blankNumber":40,"options":755},"019faa5f-b672-7bd4-8530-7532d25dcaf5",[756,759],{"id":757,"optionText":758,"isCorrect":39,"displayOrder":17},"019faa5f-b672-7b90-8530-7532d10f114a","En la pared hay un hacha antigua.",{"id":760,"optionText":45,"isCorrect":16,"displayOrder":40},"019faa5f-b672-7bb4-8530-7532d1e5d45e",{"id":762,"sentenceTemplate":684,"displayOrder":226,"explanation":440,"exampleSentence":763,"blanks":764},"019faa5f-b672-7cb8-8530-7532d57c0475","Quiero un bocadillo, por favor.",[765],{"id":766,"blankNumber":40,"options":767},"019faa5f-b672-7c88-8530-7532d547e2b5",[768,770],{"id":769,"optionText":45,"isCorrect":16,"displayOrder":17},"019faa5f-b672-7c44-8530-7532d3c099f2",{"id":771,"optionText":772,"isCorrect":39,"displayOrder":40},"019faa5f-b672-7c68-8530-7532d44c3bb2","Pido un zumo, por favor.",{"id":774,"sentenceTemplate":684,"displayOrder":245,"explanation":775,"exampleSentence":776,"blanks":777},"019faa5f-b672-7d6c-8530-7532d7cbc3de","Con «hay», «una farmacia» presenta un lugar que todavía no está identificado.","Una doctora espera en la sala.",[778],{"id":779,"blankNumber":40,"options":780},"019faa5f-b672-7d3c-8530-7532d6f2a8ba",[781,784],{"id":782,"optionText":783,"isCorrect":39,"displayOrder":17},"019faa5f-b672-7cf8-8530-7532d61ab2ae","Hay una farmacia junto al mercado.",{"id":785,"optionText":32,"isCorrect":16,"displayOrder":40},"019faa5f-b672-7d1c-8530-7532d6d0cd3a",{"id":787,"sentenceTemplate":684,"displayOrder":262,"explanation":788,"exampleSentence":789,"blanks":790},"019faa5f-b672-7e2c-8530-7532da131388","«Una vecina» presenta a una persona no identificada; no sabemos cuál es.","Tengo una carta para ti.",[791],{"id":792,"blankNumber":40,"options":793},"019faa5f-b672-7dec-8530-7532d9893e9a",[794,796],{"id":795,"optionText":32,"isCorrect":16,"displayOrder":17},"019faa5f-b672-7dac-8530-7532d8025ee6",{"id":797,"optionText":798,"isCorrect":39,"displayOrder":40},"019faa5f-b672-7dd0-8530-7532d8cd13fa","Una vecina llama a la puerta.",{"id":800,"sentenceTemplate":684,"displayOrder":57,"explanation":801,"exampleSentence":802,"blanks":803},"019faa5f-b672-7ed8-8530-7532dba5e7d7","Buscamos cualquier mesa adecuada, no una mesa ya identificada, por eso usamos «una».","Mañana alquilamos un coche.",[804],{"id":805,"blankNumber":40,"options":806},"019faa5f-b672-7ea8-8530-7532dabe5f54",[807,810],{"id":808,"optionText":809,"isCorrect":39,"displayOrder":17},"019faa5f-b672-7e6c-8530-7532da530668","Buscamos una mesa libre.",{"id":811,"optionText":32,"isCorrect":16,"displayOrder":40},"019faa5f-b672-7e8c-8530-7532da9dc510",{"id":102,"grammarPage":82,"title":103,"instructions":97,"displayOrder":63,"type":98,"questions":813,"ogImageUrl":104},[814,827,840,853,866,878,891,905,918,931],{"id":815,"sentenceTemplate":684,"displayOrder":17,"explanation":816,"exampleSentence":817,"blanks":818},"019faa5f-b683-7409-bd00-97c2d7a7813c","Para una cantidad aproximada con «euros» usamos «unos» antes del número.","Caminamos unos ocho kilómetros.",[819],{"id":820,"blankNumber":40,"options":821},"019faa5f-b683-7395-bd00-97c2d795f9ca",[822,824],{"id":823,"optionText":68,"isCorrect":16,"displayOrder":17},"019faa5f-b683-72f9-bd00-97c2d6328776",{"id":825,"optionText":826,"isCorrect":39,"displayOrder":40},"019faa5f-b683-7351-bd00-97c2d6aff312","La entrada cuesta unos veinte euros.",{"id":828,"sentenceTemplate":684,"displayOrder":40,"explanation":829,"exampleSentence":830,"blanks":831},"019faa5f-b683-7599-bd00-97c2d97bf41a","Para una cantidad aproximada con «horas» usamos «unas» antes del número.","Esperamos unas dos semanas.",[832],{"id":833,"blankNumber":40,"options":834},"019faa5f-b683-7531-bd00-97c2d87d4daa",[835,838],{"id":836,"optionText":837,"isCorrect":39,"displayOrder":17},"019faa5f-b683-7491-bd00-97c2d85d7844","La visita dura unas tres horas.",{"id":839,"optionText":56,"isCorrect":16,"displayOrder":40},"019faa5f-b683-74ed-bd00-97c2d871eadc",{"id":841,"sentenceTemplate":684,"displayOrder":51,"explanation":842,"exampleSentence":843,"blanks":844},"019faa5f-b683-7701-bd00-97c2dbb02c9e","Después de «hay», el plural sin una cantidad concreta puede aparecer sin artículo.","En este barrio hay parques.",[845],{"id":846,"blankNumber":40,"options":847},"019faa5f-b683-769d-bd00-97c2db6e0c07",[848,850],{"id":849,"optionText":32,"isCorrect":16,"displayOrder":17},"019faa5f-b683-7619-bd00-97c2d9f7df1c",{"id":851,"optionText":852,"isCorrect":39,"displayOrder":40},"019faa5f-b683-765d-bd00-97c2dae55406","Hay tiendas cerca.",{"id":854,"sentenceTemplate":684,"displayOrder":63,"explanation":855,"exampleSentence":856,"blanks":857},"019faa5f-b683-7869-bd00-97c2dda2bb13","Cuando no repetimos el sustantivo masculino, usamos «uno»: «quiero uno».","No tengo vaso; dame uno.",[858],{"id":859,"blankNumber":40,"options":860},"019faa5f-b683-7805-bd00-97c2dcf0ce4c",[861,864],{"id":862,"optionText":863,"isCorrect":39,"displayOrder":17},"019faa5f-b683-7781-bd00-97c2dc0d6892","Tengo dos bolígrafos y quiero uno.",{"id":865,"optionText":32,"isCorrect":16,"displayOrder":40},"019faa5f-b683-77c1-bd00-97c2dc67a14f",{"id":867,"sentenceTemplate":684,"displayOrder":26,"explanation":581,"exampleSentence":868,"blanks":869},"019faa5f-b683-79e5-bd00-97c2dfc5e3b2","Compramos un regalo para Leo.",[870],{"id":871,"blankNumber":40,"options":872},"019faa5f-b683-7981-bd00-97c2df7efbca",[873,875],{"id":874,"optionText":254,"isCorrect":16,"displayOrder":17},"019faa5f-b683-78fd-bd00-97c2de5ee4fc",{"id":876,"optionText":877,"isCorrect":39,"displayOrder":40},"019faa5f-b683-7941-bd00-97c2dea100a3","Quiero un bolígrafo azul.",{"id":879,"sentenceTemplate":684,"displayOrder":207,"explanation":880,"exampleSentence":881,"blanks":882},"019faa5f-b683-7b4d-bd00-97c2e26a5a10","Con «otro» no añadimos «un»: decimos directamente «otro cuaderno».","Mañana leo otro capítulo.",[883],{"id":884,"blankNumber":40,"options":885},"019faa5f-b683-7ae9-bd00-97c2e17815e1",[886,889],{"id":887,"optionText":888,"isCorrect":39,"displayOrder":17},"019faa5f-b683-7a65-bd00-97c2e04992da","Necesito otro cuaderno.",{"id":890,"optionText":45,"isCorrect":16,"displayOrder":40},"019faa5f-b683-7aa9-bd00-97c2e1251788",{"id":892,"sentenceTemplate":684,"displayOrder":226,"explanation":893,"exampleSentence":894,"blanks":895},"019faa5f-b683-7cb5-bd00-97c2e49b06be","«Otra» sustituye a «otra mesa» y se usa sin «una».","Ya tengo una taza roja y elijo otra.",[896],{"id":897,"blankNumber":40,"options":898},"019faa5f-b683-7c4d-bd00-97c2e421efc2",[899,902],{"id":900,"optionText":901,"isCorrect":16,"displayOrder":17},"019faa5f-b683-7bc9-bd00-97c2e32ac0b6","otro",{"id":903,"optionText":904,"isCorrect":39,"displayOrder":40},"019faa5f-b683-7c0d-bd00-97c2e34feb14","Esta mesa está rota; necesito otra.",{"id":906,"sentenceTemplate":684,"displayOrder":245,"explanation":907,"exampleSentence":908,"blanks":909},"019faa5f-b683-7e19-bd00-97c2e64fe41b","«Un libro» no identifica un ejemplar concreto; «la revista azul» señala una revista específica.","Necesito un médico; el médico de guardia está ocupado.",[910],{"id":911,"blankNumber":40,"options":912},"019faa5f-b683-7db5-bd00-97c2e5db65e5",[913,916],{"id":914,"optionText":915,"isCorrect":39,"displayOrder":17},"019faa5f-b683-7d31-bd00-97c2e4f5a985","Busco un libro, no la revista azul.",{"id":917,"optionText":68,"isCorrect":16,"displayOrder":40},"019faa5f-b683-7d75-bd00-97c2e5aaff37",{"id":919,"sentenceTemplate":684,"displayOrder":262,"explanation":920,"exampleSentence":921,"blanks":922},"019faa5f-b683-7f85-bd00-97c2e83299e8","Cuando solo decimos la profesión después de «ser», omitimos el artículo: «Marta es médica».","Mis padres son profesores.",[923],{"id":924,"blankNumber":40,"options":925},"019faa5f-b683-7f1d-bd00-97c2e7b8ee05",[926,928],{"id":927,"optionText":68,"isCorrect":16,"displayOrder":17},"019faa5f-b683-7e99-bd00-97c2e6d24ec6",{"id":929,"optionText":930,"isCorrect":39,"displayOrder":40},"019faa5f-b683-7edd-bd00-97c2e779557a","Marta es médica.",{"id":932,"sentenceTemplate":684,"displayOrder":57,"explanation":933,"exampleSentence":934,"blanks":935},"019faa5f-b684-7176-8329-9235cb92413c","Con comida en una cantidad no concreta podemos omitir el artículo y decir simplemente «pan».","Quiero café después de comer.",[936],{"id":937,"blankNumber":40,"options":938},"019faa5f-b684-710e-8329-9235cae2f9a8",[939,942],{"id":940,"optionText":941,"isCorrect":39,"displayOrder":17},"019faa5f-b684-7062-8329-9235ca5a5327","Compramos pan para la cena.",{"id":943,"optionText":944,"isCorrect":16,"displayOrder":40},"019faa5f-b684-70ae-8329-9235ca81ba84","Una",{"id":107,"grammarPage":82,"title":108,"instructions":109,"displayOrder":26,"type":110,"questions":946},[947,962,975,989,1005,1022,1039,1054,1070,1085,1098,1112],{"id":948,"sentenceTemplate":949,"displayOrder":17,"explanation":950,"exampleSentence":951,"blanks":952,"payload":953},"01a01413-c81d-709b-8abc-984199da9989","En el cajón hay una lápiz azul.","«Lápiz» es masculino singular, por eso usamos el artículo «un».","En el cajón hay un lápiz azul.",[],{"words":954,"correct":32,"wrongIndex":26,"corrections":961},[955,956,957,958,45,959,960],"En","el","cajón","hay","lápiz","azul.",[32,56,68],{"id":963,"sentenceTemplate":964,"displayOrder":40,"explanation":965,"exampleSentence":966,"blanks":967,"payload":968},"01a01413-c81d-70fb-8abc-984199ea7f0f","Necesitamos un lámpara para el escritorio.","«Lámpara» es femenino singular, así que necesita el artículo «una».","Necesitamos una lámpara para el escritorio.",[],{"words":969,"correct":45,"wrongIndex":40,"corrections":974},[970,32,971,972,956,973],"Necesitamos","lámpara","para","escritorio.",[45,68,56],{"id":976,"sentenceTemplate":977,"displayOrder":51,"explanation":978,"exampleSentence":979,"blanks":980,"payload":981},"01a01413-c81d-713f-8abc-98419aea5fed","Tengo varios lápices; dame una para el dibujo.","Cuando omitimos el sustantivo masculino «lápiz» y pedimos una unidad del grupo, usamos el pronombre «uno».","Tengo varios lápices; dame uno para el dibujo.",[],{"words":982,"correct":254,"wrongIndex":26,"corrections":988},[983,984,985,986,45,972,956,987],"Tengo","varios","lápices;","dame","dibujo.",[254,32,68],{"id":990,"sentenceTemplate":991,"displayOrder":63,"explanation":992,"exampleSentence":993,"blanks":994,"payload":995},"01a01413-c81d-7173-8abc-98419bb7b5f1","Hay un farmacia nueva junto a la estación.","«Farmacia» es un sustantivo femenino singular, por eso se presenta con «una».","Hay una farmacia nueva junto a la estación.",[],{"words":996,"correct":45,"wrongIndex":40,"corrections":1004},[997,32,998,999,1000,1001,1002,1003],"Hay","farmacia","nueva","junto","a","la","estación.",[45,56,956],{"id":1006,"sentenceTemplate":1007,"displayOrder":26,"explanation":1008,"exampleSentence":1009,"blanks":1010,"payload":1011},"01a01413-c81d-71bb-8abc-98419ca1f165","La escuela necesita una aula luminosa este año.","«Aula» es femenino, pero ante su a tónica usamos «un» en singular.","La escuela necesita un aula luminosa este año.",[],{"hint":1012,"words":1013,"correct":32,"wrongIndex":63,"corrections":1021},"Recuerda el caso especial de las palabras con a- tónica.",[1014,1015,1016,45,1017,1018,1019,1020],"La","escuela","necesita","aula","luminosa","este","año.",[32,56,68],{"id":1023,"sentenceTemplate":1024,"displayOrder":207,"explanation":1025,"exampleSentence":1026,"blanks":1027,"payload":1028},"01a01413-c81d-71ef-8abc-98419d6d4cfa","En el museo vimos un hacha antiguo.","«Hacha» sigue siendo femenino aunque use «un»; por eso el adjetivo debe ser «antigua».","En el museo vimos un hacha antigua.",[],{"hint":1029,"words":1030,"correct":1035,"wrongIndex":226,"corrections":1036},"Recuerda que el artículo especial no cambia el género del sustantivo.",[955,956,1031,1032,32,1033,1034],"museo","vimos","hacha","antiguo.","antigua.",[1035,1037,1038],"antiguas.","antiguos.",{"id":1040,"sentenceTemplate":1041,"displayOrder":226,"explanation":1042,"exampleSentence":1043,"blanks":1044,"payload":1045},"01a01413-c81d-7223-8abc-98419dcbf489","Busco una apartamento pequeño cerca del centro.","«Apartamento» es masculino singular; el artículo indefinido que concuerda es «un».","Busco un apartamento pequeño cerca del centro.",[],{"words":1046,"correct":32,"wrongIndex":40,"corrections":1053},[1047,45,1048,1049,1050,1051,1052],"Busco","apartamento","pequeño","cerca","del","centro.",[32,56,68],{"id":1055,"sentenceTemplate":1056,"displayOrder":245,"explanation":1057,"exampleSentence":1058,"blanks":1059,"payload":1060},"01a01413-c81d-7253-8abc-98419e590aa5","Han abierto un restaurantes nuevos en esta calle.","El sustantivo y el adjetivo están en plural masculino, por eso corresponde «unos restaurantes nuevos».","Han abierto unos restaurantes nuevos en esta calle.",[],{"words":1061,"correct":56,"wrongIndex":51,"corrections":1069},[1062,1063,32,1064,1065,1066,1067,1068],"Han","abierto","restaurantes","nuevos","en","esta","calle.",[56,45,68],{"id":1071,"sentenceTemplate":1072,"displayOrder":262,"explanation":1073,"exampleSentence":1074,"blanks":1075,"payload":1076},"01a01413-c81d-7283-8abc-98419ec8c99e","Tengo tres bolígrafos y necesito un para tener cuatro.","Sin repetir el sustantivo masculino «bolígrafo», usamos el pronombre «uno».","Tengo tres bolígrafos y necesito uno para tener cuatro.",[],{"words":1077,"correct":254,"wrongIndex":207,"corrections":1084},[983,1078,1079,1080,1081,32,972,1082,1083],"tres","bolígrafos","y","necesito","tener","cuatro.",[254,45,68],{"id":1086,"sentenceTemplate":1087,"displayOrder":57,"explanation":1088,"exampleSentence":1089,"blanks":1090,"payload":1091},"01a01413-c81d-72b3-8abc-98419efd5cac","Quiero uno cuaderno verde para ciencias.","Delante del sustantivo masculino singular «cuaderno» usamos «un», no «uno».","Quiero un cuaderno verde para ciencias.",[],{"words":1092,"correct":32,"wrongIndex":40,"corrections":1097},[1093,254,1094,1095,972,1096],"Quiero","cuaderno","verde","ciencias.",[32,45,56],{"id":1099,"sentenceTemplate":1100,"displayOrder":11,"explanation":1101,"exampleSentence":1102,"blanks":1103,"payload":1104},"01a01413-c81d-72df-8abc-98419f0e9498","Reservé el asiento por unas treinta euros.","Para expresar una cantidad aproximada de euros usamos el masculino plural «unos» antes del número.","Reservé el asiento por unos treinta euros.",[],{"words":1105,"correct":56,"wrongIndex":26,"corrections":1111},[1106,956,1107,1108,68,1109,1110],"Reservé","asiento","por","treinta","euros.",[56,32,45],{"id":1113,"sentenceTemplate":1114,"displayOrder":314,"explanation":1115,"exampleSentence":1116,"blanks":1117,"payload":1118},"01a01413-c81d-730f-8abc-98419f50e6d6","El viaje dura unos tres horas.","«Horas» es femenino plural, por eso la cantidad aproximada lleva «unas».","El viaje dura unas tres horas.",[],{"words":1119,"correct":68,"wrongIndex":63,"corrections":1124},[1120,1121,1122,56,1078,1123],"El","viaje","dura","horas.",[68,45,32],{"id":14,"name":15,"slug":75,"language":9,"level":10,"introduction":1126,"lessonCount":207,"totalExercises":18,"objectives":1127,"prerequisites":1131,"lessons":1133},"Este itinerario organiza sustantivos y artículos básicos en una progresión práctica. Empieza con «Género de los sustantivos: masculino y femenino», avanza por «Artículos definidos: el, la, los y las» y culmina con «Contracciones al y del», de modo que cada lección prepara la siguiente y enlaza con su práctica.",[1128,1129,1130],"Comprender y aplicar género de los sustantivos: masculino y femenino.","Relacionar los contrastes centrales del recorrido, desde «Género de los sustantivos: masculino y femenino» hasta «Contracciones al y del».","Practicar contracciones al y del con criterios de forma, significado y contexto.",[1132],"Reconocer palabras frecuentes y el orden básico de una oración en español.",[1134,1156,1178,1200,1209],{"id":1135,"contentId":1136,"slug":1137,"title":1138,"level":10,"summary":1139,"order":40,"exercises":1140},"019f7f70-2eec-7861-bb27-8f496e42a7f3","pg_019f76ef-8dde-7843-b997-c13e73d6c57a","genero-de-los-sustantivos-masculino-y-femenino","Género de los sustantivos: masculino y femenino","Explica género de los sustantivos: masculino y femenino mediante qué es el género gramatical y el patrón -o y -a. Abre la secuencia y fija la base para las lecciones siguientes.",[1141,1144,1147,1150,1153],{"id":1142,"title":1143,"order":17,"type":85},"019f7f70-40bb-7b2c-9655-4c7119024234","Patrones de género y artículos",{"id":1145,"title":1146,"order":40,"type":85},"019f7f70-40d3-7255-990e-77b9b55b4b80","Personas, excepciones y concordancia",{"id":1148,"title":1149,"order":51,"type":98},"019faa5f-cfb6-7771-9ae8-a54a4249b463","Patrones y profesiones en orden",{"id":1151,"title":1152,"order":63,"type":98},"019faa5f-cfc7-7120-9893-75c00d48ba47","Excepciones y concordancia en orden",{"id":1154,"title":1155,"order":26,"type":110},"01a01413-eab8-7c51-aaf9-e0ed3e3fb7bc","Detecta el error de género",{"id":1157,"contentId":1158,"slug":1159,"title":1160,"level":10,"summary":1161,"order":51,"exercises":1162},"019f7f70-311d-71df-bbd2-2620f93c044f","pg_019f76ef-9019-73c6-b28e-4c9e080e478e","singular-y-plural-de-los-sustantivos","Singular y plural de los sustantivos","Explica singular y plural de los sustantivos mediante singular y plural y palabras terminadas en vocal. Amplía la secuencia con un contraste o uso necesario antes de avanzar.",[1163,1166,1169,1172,1175],{"id":1164,"title":1165,"order":17,"type":85},"019f7f70-59d9-7892-a009-9ae9339ee3ec","Reglas para formar el plural",{"id":1167,"title":1168,"order":40,"type":85},"019f7f70-59f0-7540-92c4-72bcce9da5b9","Concordancia en contexto",{"id":1170,"title":1171,"order":51,"type":98},"019faa5f-ff4b-7704-8115-dd51388db11e","Construye los plurales",{"id":1173,"title":1174,"order":63,"type":98},"019faa5f-ff5c-7181-9c2a-7ecacd962b26","Construye la concordancia",{"id":1176,"title":1177,"order":26,"type":110},"01a01414-2f60-7e01-90e0-b87e01616df5","Encuentra el error de número",{"id":1179,"contentId":1180,"slug":1181,"title":1182,"level":10,"summary":1183,"order":63,"exercises":1184},"019f7f70-2dd5-7395-8278-7fde43d3b759","pg_019f76ef-8c3b-7a90-abd3-92dfccdd5ec0","articulos-definidos-el-la-los-y-las","Artículos definidos: el, la, los y las","Explica artículos definidos: el, la, los y las mediante las cuatro formas y caso especial: el agua y el hacha. Amplía la secuencia con un contraste o uso necesario antes de avanzar.",[1185,1188,1191,1194,1197],{"id":1186,"title":1187,"order":17,"type":85},"019f7f70-33c4-7c8b-8274-912251e0f211","Concordancia y referencias conocidas",{"id":1189,"title":1190,"order":40,"type":85},"019f7f70-33dc-7f93-8fbb-a84b595ef50c","Contracciones y usos frecuentes",{"id":1192,"title":1193,"order":51,"type":98},"019faa5f-b605-7924-82a3-93eba245cab4","Construye con el, la, los y las",{"id":1195,"title":1196,"order":63,"type":98},"019faa5f-b617-7b83-912a-3ae35f75de92","Construye usos especiales",{"id":1198,"title":1199,"order":26,"type":110},"01a01413-c7a1-7cf1-ae6c-ecb135acff62","Corrige el artículo definido",{"id":4,"contentId":1201,"slug":6,"title":5,"level":10,"summary":1202,"order":26,"exercises":1203},"pg_019f76ef-8d34-76c7-9ea3-ede1e59f890c","Explica artículos indefinidos: un, una, unos y unas mediante las cuatro formas y presentar algo nuevo. Amplía la secuencia con un contraste o uso necesario antes de avanzar.",[1204,1205,1206,1207,1208],{"id":81,"title":83,"order":17,"type":85},{"id":89,"title":90,"order":40,"type":85},{"id":95,"title":96,"order":51,"type":98},{"id":102,"title":103,"order":63,"type":98},{"id":107,"title":108,"order":26,"type":110},{"id":1210,"contentId":1211,"slug":1212,"title":1213,"level":10,"summary":1214,"order":207,"exercises":1215},"019f7f70-2e68-7f97-bdce-32c241d4fc71","pg_019f76ef-8c20-7d18-9957-5aca4d1fcca0","contracciones-al-y-del","Contracciones al y del","Explica contracciones al y del mediante cómo se forman y usos frecuentes de al. Cierra el recorrido integrando y afinando lo aprendido.",[1216,1219,1222,1225],{"id":1217,"title":1218,"order":17,"type":85},"019f7f70-3ab4-76a7-a83b-8d66226b6d60","Formar o separar",{"id":1220,"title":1221,"order":40,"type":85},"019f7f70-3ac8-7d14-8567-17f08d4d353b","Dirección, origen y relación",{"id":1223,"title":1224,"order":51,"type":98},"019faa5f-c474-7cce-aa1c-eb2081d30924","Construye con al y del",{"id":1226,"title":1227,"order":63,"type":110},"01a01413-da88-7b42-88f8-aade2d7593df","Encuentra y corrige las contracciones"]