[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"grammar-exercise-019f7f70-33f4-7bbf-97f7-4364fdfa9ed6":3,"grammar-exercise-lesson-019f7f70-2dd9-779d-bc56-43830db35739":296},["Reactive",4],{"id":5,"grammarPage":6,"title":7,"instructions":8,"displayOrder":9,"questions":10},"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.",0,[11,33,49,64,80,111,130,149,166,182,201,220,239,258,277],{"id":12,"sentenceTemplate":13,"displayOrder":9,"explanation":14,"exampleSentence":15,"blanks":16},"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.",[17],{"id":18,"blankNumber":19,"options":20},"019f7f70-33f4-7d33-97f7-4364ffcd47c1",1,[21,25,28],{"id":22,"optionText":23,"isCorrect":24,"displayOrder":9},"019f7f70-33f4-7c5b-97f7-4364fe817183","una",false,{"id":26,"optionText":27,"isCorrect":24,"displayOrder":19},"019f7f70-33f4-7cab-97f7-4364ff6ee3ef","unos",{"id":29,"optionText":30,"isCorrect":31,"displayOrder":32},"019f7f70-33f4-7cef-97f7-4364ffc89cfa","un",true,2,{"id":34,"sentenceTemplate":35,"displayOrder":19,"explanation":36,"exampleSentence":37,"blanks":38},"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.",[39],{"id":40,"blankNumber":19,"options":41},"019f7f70-33f4-7f03-97f7-436502479b1b",[42,44,46],{"id":43,"optionText":23,"isCorrect":31,"displayOrder":9},"019f7f70-33f4-7e3b-97f7-436500edfd06",{"id":45,"optionText":30,"isCorrect":24,"displayOrder":19},"019f7f70-33f4-7e7f-97f7-43650184ea50",{"id":47,"optionText":48,"isCorrect":24,"displayOrder":32},"019f7f70-33f4-7ec3-97f7-436501b63b8f","unas",{"id":50,"sentenceTemplate":51,"displayOrder":32,"explanation":52,"exampleSentence":53,"blanks":54},"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.",[55],{"id":56,"blankNumber":19,"options":57},"019f7f70-33f5-7136-86fc-7ca58c9d6440",[58,60,62],{"id":59,"optionText":48,"isCorrect":24,"displayOrder":9},"019f7f70-33f5-7056-86fc-7ca58ad6f5d5",{"id":61,"optionText":27,"isCorrect":31,"displayOrder":19},"019f7f70-33f5-70a2-86fc-7ca58b6f67e6",{"id":63,"optionText":30,"isCorrect":24,"displayOrder":32},"019f7f70-33f5-70f6-86fc-7ca58c6a87a9",{"id":65,"sentenceTemplate":66,"displayOrder":67,"explanation":68,"exampleSentence":69,"blanks":70},"019f7f70-33f5-7362-86fc-7ca58e2aec40","Para el viaje necesito __1__ camisetas cómodas.",3,"«Camisetas» es femenino plural, por eso usamos «unas».","Ella compra unas naranjas para el desayuno.",[71],{"id":72,"blankNumber":19,"options":73},"019f7f70-33f5-72f2-86fc-7ca58dfa67c6",[74,76,78],{"id":75,"optionText":27,"isCorrect":24,"displayOrder":9},"019f7f70-33f5-722e-86fc-7ca58cc4032d",{"id":77,"optionText":23,"isCorrect":24,"displayOrder":19},"019f7f70-33f5-7272-86fc-7ca58cdce2e9",{"id":79,"optionText":48,"isCorrect":31,"displayOrder":32},"019f7f70-33f5-72b2-86fc-7ca58d28bc99",{"id":81,"sentenceTemplate":82,"displayOrder":83,"explanation":84,"exampleSentence":85,"blanks":86},"019f7f70-33f5-766e-86fc-7ca5933ed954","En singular decimos __1__; en plural, __2__.",4,"«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.",[87,99],{"id":88,"blankNumber":19,"options":89},"019f7f70-33f5-74c2-86fc-7ca5905cda28",[90,93,96],{"id":91,"optionText":92,"isCorrect":24,"displayOrder":9},"019f7f70-33f5-73e6-86fc-7ca58e6fdbd4","una aula luminosa",{"id":94,"optionText":95,"isCorrect":24,"displayOrder":19},"019f7f70-33f5-742a-86fc-7ca58ebb03bb","un aula luminoso",{"id":97,"optionText":98,"isCorrect":31,"displayOrder":32},"019f7f70-33f5-746a-86fc-7ca58fa6909a","un aula luminosa",{"id":100,"blankNumber":32,"options":101},"019f7f70-33f5-75fe-86fc-7ca5924b1e7b",[102,105,108],{"id":103,"optionText":104,"isCorrect":24,"displayOrder":9},"019f7f70-33f5-7536-86fc-7ca59110be3d","unos aulas luminosos",{"id":106,"optionText":107,"isCorrect":31,"displayOrder":19},"019f7f70-33f5-757a-86fc-7ca5916c88e9","unas aulas luminosas",{"id":109,"optionText":110,"isCorrect":24,"displayOrder":32},"019f7f70-33f5-75be-86fc-7ca59237a4ff","un aulas luminosa",{"id":112,"sentenceTemplate":113,"displayOrder":114,"explanation":115,"exampleSentence":116,"blanks":117},"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.",[118],{"id":119,"blankNumber":19,"options":120},"019f7f70-33f5-77ee-86fc-7ca595402358",[121,124,127],{"id":122,"optionText":123,"isCorrect":24,"displayOrder":9},"019f7f70-33f5-7726-86fc-7ca59412fe8d","una hacha afilada",{"id":125,"optionText":126,"isCorrect":31,"displayOrder":19},"019f7f70-33f5-776a-86fc-7ca594b91389","un hacha afilada",{"id":128,"optionText":129,"isCorrect":24,"displayOrder":32},"019f7f70-33f5-77ae-86fc-7ca594bb390e","un hacha afilado",{"id":131,"sentenceTemplate":132,"displayOrder":133,"explanation":134,"exampleSentence":135,"blanks":136},"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.",[137],{"id":138,"blankNumber":19,"options":139},"019f7f70-33f5-79b6-86fc-7ca5983d6b22",[140,143,146],{"id":141,"optionText":142,"isCorrect":24,"displayOrder":9},"019f7f70-33f5-78f2-86fc-7ca596962616","masculino",{"id":144,"optionText":145,"isCorrect":24,"displayOrder":19},"019f7f70-33f5-7932-86fc-7ca596b3c4f2","plural",{"id":147,"optionText":148,"isCorrect":31,"displayOrder":32},"019f7f70-33f5-7976-86fc-7ca597948a0c","femenino",{"id":150,"sentenceTemplate":151,"displayOrder":152,"explanation":153,"exampleSentence":154,"blanks":155},"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.",[156],{"id":157,"blankNumber":19,"options":158},"019f7f70-33f5-7b6e-86fc-7ca59b122bfe",[159,162,164],{"id":160,"optionText":161,"isCorrect":31,"displayOrder":9},"019f7f70-33f5-7aaa-86fc-7ca598dee614","uno",{"id":163,"optionText":30,"isCorrect":24,"displayOrder":19},"019f7f70-33f5-7aea-86fc-7ca599aaf798",{"id":165,"optionText":27,"isCorrect":24,"displayOrder":32},"019f7f70-33f5-7b2e-86fc-7ca59a4840df",{"id":167,"sentenceTemplate":168,"displayOrder":169,"explanation":170,"exampleSentence":171,"blanks":172},"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».",[173],{"id":174,"blankNumber":19,"options":175},"019f7f70-33f5-7d22-86fc-7ca59dbcd818",[176,178,180],{"id":177,"optionText":161,"isCorrect":24,"displayOrder":9},"019f7f70-33f5-7c5e-86fc-7ca59b86547c",{"id":179,"optionText":23,"isCorrect":24,"displayOrder":19},"019f7f70-33f5-7ca2-86fc-7ca59c407321",{"id":181,"optionText":30,"isCorrect":31,"displayOrder":32},"019f7f70-33f5-7ce2-86fc-7ca59ce5f867",{"id":183,"sentenceTemplate":184,"displayOrder":185,"explanation":186,"exampleSentence":187,"blanks":188},"019f7f70-33f5-7f4a-86fc-7ca5a07e7e76","Ya tengo un lápiz rojo; ahora necesito __1__ azul.",9,"Con «otro» no añadimos «un»: decimos «otro lápiz».","Voy a leer otro libro esta semana.",[189],{"id":190,"blankNumber":19,"options":191},"019f7f70-33f5-7eda-86fc-7ca5a01fd906",[192,195,198],{"id":193,"optionText":194,"isCorrect":24,"displayOrder":9},"019f7f70-33f5-7e16-86fc-7ca59e8ac801","un otro lápiz",{"id":196,"optionText":197,"isCorrect":31,"displayOrder":19},"019f7f70-33f5-7e5a-86fc-7ca59ea7395d","otro lápiz",{"id":199,"optionText":200,"isCorrect":24,"displayOrder":32},"019f7f70-33f5-7e9a-86fc-7ca59f6df78a","uno otro lápiz",{"id":202,"sentenceTemplate":203,"displayOrder":204,"explanation":205,"exampleSentence":206,"blanks":207},"019f7f70-33f6-7175-852f-9c41cd1eecfe","Esta taza está rota; tráeme __1__, por favor.",10,"Con «otra» no usamos «una»: la forma correcta es «otra taza».","Necesitamos otra mesa para la cocina.",[208],{"id":209,"blankNumber":19,"options":210},"019f7f70-33f6-7105-852f-9c41cc747cdd",[211,214,217],{"id":212,"optionText":213,"isCorrect":24,"displayOrder":9},"019f7f70-33f6-703d-852f-9c41ca4ac3bb","una otra taza",{"id":215,"optionText":216,"isCorrect":24,"displayOrder":19},"019f7f70-33f6-7085-852f-9c41cad2f133","otro taza",{"id":218,"optionText":219,"isCorrect":31,"displayOrder":32},"019f7f70-33f6-70c5-852f-9c41cbbff5ed","otra taza",{"id":221,"sentenceTemplate":222,"displayOrder":223,"explanation":224,"exampleSentence":225,"blanks":226},"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.",[227],{"id":228,"blankNumber":19,"options":229},"019f7f70-33f6-72c1-852f-9c41d00732dd",[230,233,236],{"id":231,"optionText":232,"isCorrect":24,"displayOrder":9},"019f7f70-33f6-71f9-852f-9c41cd7b070c","unas niños",{"id":234,"optionText":235,"isCorrect":24,"displayOrder":19},"019f7f70-33f6-723d-852f-9c41ce659ceb","un niños",{"id":237,"optionText":238,"isCorrect":31,"displayOrder":32},"019f7f70-33f6-727d-852f-9c41cf5f1815","unos niños",{"id":240,"sentenceTemplate":241,"displayOrder":242,"explanation":243,"exampleSentence":244,"blanks":245},"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.",[246],{"id":247,"blankNumber":19,"options":248},"019f7f70-33f6-7479-852f-9c41d2c9cc36",[249,252,255],{"id":250,"optionText":251,"isCorrect":31,"displayOrder":9},"019f7f70-33f6-73b5-852f-9c41d0d4b73c","unas velas",{"id":253,"optionText":254,"isCorrect":24,"displayOrder":19},"019f7f70-33f6-73f9-852f-9c41d146b841","unos velas",{"id":256,"optionText":257,"isCorrect":24,"displayOrder":32},"019f7f70-33f6-7439-852f-9c41d23e7266","una velas",{"id":259,"sentenceTemplate":260,"displayOrder":261,"explanation":262,"exampleSentence":263,"blanks":264},"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.",[265],{"id":266,"blankNumber":19,"options":267},"019f7f70-33f6-764d-852f-9c41d4993b07",[268,271,274],{"id":269,"optionText":270,"isCorrect":24,"displayOrder":9},"019f7f70-33f6-758d-852f-9c41d36eb90b","quince unos euros",{"id":272,"optionText":273,"isCorrect":24,"displayOrder":19},"019f7f70-33f6-75cd-852f-9c41d3af3461","unas quince euros",{"id":275,"optionText":276,"isCorrect":31,"displayOrder":32},"019f7f70-33f6-7611-852f-9c41d3b0f732","unos quince euros",{"id":278,"sentenceTemplate":279,"displayOrder":280,"explanation":281,"exampleSentence":282,"blanks":283},"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.",[284],{"id":285,"blankNumber":19,"options":286},"019f7f70-33f6-7811-852f-9c41d6bf2f6f",[287,290,293],{"id":288,"optionText":289,"isCorrect":24,"displayOrder":9},"019f7f70-33f6-7741-852f-9c41d58b6cee","unos cuatro horas",{"id":291,"optionText":292,"isCorrect":31,"displayOrder":19},"019f7f70-33f6-7785-852f-9c41d5959d6e","unas cuatro horas",{"id":294,"optionText":295,"isCorrect":24,"displayOrder":32},"019f7f70-33f6-77d1-852f-9c41d64608d4","cuatro unas horas",{"title":297,"slug":298,"language":299},"Artículos indefinidos: un, una, unos y unas","articulos-indefinidos-un-una-unos-y-unas","es"]