[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"grammar-exercise-019f7f70-3592-7b1b-9bb3-66f498abba01":3,"grammar-exercise-lesson-019f7f70-2df5-7bf2-9485-e8701b744386":340},["Reactive",4],{"id":5,"grammarPage":6,"title":7,"instructions":8,"displayOrder":9,"questions":10},"019f7f70-3592-7b1b-9bb3-66f498abba01","\u002Fapi\u002Fgrammar_pages\u002F019f7f70-2df5-7bf2-9485-e8701b744386","Cambios de raíz y contrastes","Completa las situaciones en pretérito. Comprueba si el verbo termina en -ir y si el sujeto es una tercera persona; algunas preguntas comparan dos formas.",1,[11,33,51,80,110,140,170,198,227,246,265,284,303],{"id":12,"sentenceTemplate":13,"displayOrder":14,"explanation":15,"exampleSentence":16,"blanks":17},"019f7f70-3592-7d37-9bb3-66f49acbd4cf","Ayer, en la cafetería, Marta (pedir) __1__ un bocadillo vegetal.",0,"Pedir es un verbo en -ir con cambio e → i. Como Marta equivale a ella, usamos pidió.","El niño sintió frío al salir de la piscina.",[18],{"id":19,"blankNumber":9,"options":20},"019f7f70-3592-7cb3-9bb3-66f49aa37693",[21,25,29],{"id":22,"optionText":23,"isCorrect":24,"displayOrder":14},"019f7f70-3592-7bd3-9bb3-66f4992f82e2","pidió",true,{"id":26,"optionText":27,"isCorrect":28,"displayOrder":9},"019f7f70-3592-7c2b-9bb3-66f499444f33","pedió",false,{"id":30,"optionText":31,"isCorrect":28,"displayOrder":32},"019f7f70-3592-7c6f-9bb3-66f49a240d68","pidí",2,{"id":34,"sentenceTemplate":35,"displayOrder":9,"explanation":36,"exampleSentence":37,"blanks":38},"019f7f70-3592-7f07-9bb3-66f49c3dbe08","Al terminar la carrera del domingo pasado, las atletas (sentir) __1__ un gran alivio.","Con las atletas usamos la tercera persona plural. En sentir, la e cambia a i en esa persona: sintieron.","Los camareros sirvieron la cena a las nueve.",[39],{"id":40,"blankNumber":9,"options":41},"019f7f70-3592-7e97-9bb3-66f49c0c4b4b",[42,45,48],{"id":43,"optionText":44,"isCorrect":28,"displayOrder":14},"019f7f70-3592-7dcb-9bb3-66f49b1d082f","sintió",{"id":46,"optionText":47,"isCorrect":28,"displayOrder":9},"019f7f70-3592-7e13-9bb3-66f49b84ec5d","sentieron",{"id":49,"optionText":50,"isCorrect":24,"displayOrder":32},"019f7f70-3592-7e57-9bb3-66f49b896a56","sintieron",{"id":52,"sentenceTemplate":53,"displayOrder":32,"explanation":54,"exampleSentence":55,"blanks":56},"019f7f70-3593-7272-974f-530d69a5a506","Ayer yo (repetir) __1__ la pregunta y la guía la (repetir) __2__ más despacio.","Con el sujeto yo, la vocal no cambia: repetí. La guía es tercera persona singular, por eso e cambia a i: repitió.","Tú pediste ayuda y la coordinadora pidió silencio.",[57,69],{"id":58,"blankNumber":9,"options":59},"019f7f70-3593-70be-974f-530d66eb74b7",[60,63,66],{"id":61,"optionText":62,"isCorrect":28,"displayOrder":14},"019f7f70-3592-7f8f-9bb3-66f49c7547d4","repitió",{"id":64,"optionText":65,"isCorrect":24,"displayOrder":9},"019f7f70-3593-7032-974f-530d660a7156","repetí",{"id":67,"optionText":68,"isCorrect":28,"displayOrder":32},"019f7f70-3593-707e-974f-530d6618728c","repití",{"id":70,"blankNumber":32,"options":71},"019f7f70-3593-7206-974f-530d68e2fdf9",[72,75,78],{"id":73,"optionText":74,"isCorrect":28,"displayOrder":14},"019f7f70-3593-7142-974f-530d6709b4ce","repitieron",{"id":76,"optionText":77,"isCorrect":28,"displayOrder":9},"019f7f70-3593-7182-974f-530d677cc66f","repetió",{"id":79,"optionText":62,"isCorrect":24,"displayOrder":32},"019f7f70-3593-71c6-974f-530d67ecc557",{"id":81,"sentenceTemplate":82,"displayOrder":83,"explanation":84,"exampleSentence":85,"blanks":86},"019f7f70-3593-7556-974f-530d6d84f99d","En la fiesta del viernes pasado, nosotros (servir) __1__ las bebidas y los anfitriones (servir) __2__ el postre.",3,"Con nosotros se conserva la e: servimos. Con los anfitriones usamos la tercera persona plural y cambiamos e por i: sirvieron.","Vosotros sentisteis el temblor y los vecinos lo sintieron también.",[87,99],{"id":88,"blankNumber":9,"options":89},"019f7f70-3593-73ee-974f-530d6b101161",[90,93,96],{"id":91,"optionText":92,"isCorrect":28,"displayOrder":14},"019f7f70-3593-732a-974f-530d69af40ed","sirvieron",{"id":94,"optionText":95,"isCorrect":28,"displayOrder":9},"019f7f70-3593-736e-974f-530d69be2d47","sirvimos",{"id":97,"optionText":98,"isCorrect":24,"displayOrder":32},"019f7f70-3593-73ae-974f-530d6ab4e035","servimos",{"id":100,"blankNumber":32,"options":101},"019f7f70-3593-751a-974f-530d6d13973f",[102,104,107],{"id":103,"optionText":92,"isCorrect":24,"displayOrder":14},"019f7f70-3593-745a-974f-530d6bcd8d0d",{"id":105,"optionText":106,"isCorrect":28,"displayOrder":9},"019f7f70-3593-74b6-974f-530d6c696ff5","servieron",{"id":108,"optionText":109,"isCorrect":28,"displayOrder":32},"019f7f70-3593-74f6-974f-530d6c7a78e7","sirvió",{"id":111,"sentenceTemplate":112,"displayOrder":113,"explanation":114,"exampleSentence":115,"blanks":116},"019f7f70-3593-76ee-974f-530d72d05c6c","En la excursión de ayer, tú (preferir) __1__ el sendero corto, pero tus amigas (preferir) __2__ la ruta larga.",4,"Con el sujeto tú, la raíz no cambia: preferiste. Con tus amigas usamos la tercera persona plural, así que e cambia a i: prefirieron.","Yo pedí sopa y mis compañeros pidieron ensalada.",[117,129],{"id":118,"blankNumber":9,"options":119},"019f7f70-3593-7616-974f-530d6fabbedd",[120,123,126],{"id":121,"optionText":122,"isCorrect":24,"displayOrder":14},"019f7f70-3593-75b2-974f-530d6e7de4de","preferiste",{"id":124,"optionText":125,"isCorrect":28,"displayOrder":9},"019f7f70-3593-75d6-974f-530d6f49ecf5","prefiriste",{"id":127,"optionText":128,"isCorrect":28,"displayOrder":32},"019f7f70-3593-75f6-974f-530d6f6f3ba9","prefirieron",{"id":130,"blankNumber":32,"options":131},"019f7f70-3593-76b6-974f-530d721e1861",[132,135,138],{"id":133,"optionText":134,"isCorrect":28,"displayOrder":14},"019f7f70-3593-764a-974f-530d7099042d","prefirió",{"id":136,"optionText":137,"isCorrect":28,"displayOrder":9},"019f7f70-3593-766e-974f-530d70cdce1d","preferieron",{"id":139,"optionText":128,"isCorrect":24,"displayOrder":32},"019f7f70-3593-768a-974f-530d71b773fd",{"id":141,"sentenceTemplate":142,"displayOrder":143,"explanation":144,"exampleSentence":145,"blanks":146},"019f7f70-3593-786a-974f-530d76513a2e","Anoche, nosotros (dormir) __1__ en el refugio, pero la niña (dormir) __2__ en casa de su abuela.",5,"Con nosotros se conserva la o: dormimos. La niña es tercera persona singular, por eso o cambia a u: durmió.","Yo dormí junto a la ventana y el gato durmió en el sofá.",[147,159],{"id":148,"blankNumber":9,"options":149},"019f7f70-3593-77a6-974f-530d739ff985",[150,153,156],{"id":151,"optionText":152,"isCorrect":28,"displayOrder":14},"019f7f70-3593-7742-974f-530d730413a7","durmieron",{"id":154,"optionText":155,"isCorrect":24,"displayOrder":9},"019f7f70-3593-7766-974f-530d730c7191","dormimos",{"id":157,"optionText":158,"isCorrect":28,"displayOrder":32},"019f7f70-3593-7786-974f-530d7317a821","durmimos",{"id":160,"blankNumber":32,"options":161},"019f7f70-3593-7836-974f-530d761bb10a",[162,165,167],{"id":163,"optionText":164,"isCorrect":28,"displayOrder":14},"019f7f70-3593-77da-974f-530d73afcc97","dormió",{"id":166,"optionText":152,"isCorrect":28,"displayOrder":9},"019f7f70-3593-77fa-974f-530d74410a54",{"id":168,"optionText":169,"isCorrect":24,"displayOrder":32},"019f7f70-3593-781a-974f-530d75311420","durmió",{"id":171,"sentenceTemplate":172,"displayOrder":173,"explanation":174,"exampleSentence":175,"blanks":176},"019f7f70-3593-79de-974f-530d7b6e1173","En el campamento del sábado pasado, vosotros (dormir) __1__ en tiendas y los monitores (dormir) __2__ en una cabaña.",6,"Con vosotros, la vocal no cambia: dormisteis. Con los monitores usamos la tercera persona plural, así que la forma es durmieron.","Tú dormiste poco, pero los bebés durmieron toda la noche.",[177,188],{"id":178,"blankNumber":9,"options":179},"019f7f70-3593-791e-974f-530d78ed53e9",[180,183,185],{"id":181,"optionText":182,"isCorrect":28,"displayOrder":14},"019f7f70-3593-78be-974f-530d770655e5","durmisteis",{"id":184,"optionText":152,"isCorrect":28,"displayOrder":9},"019f7f70-3593-78de-974f-530d77e6ad87",{"id":186,"optionText":187,"isCorrect":24,"displayOrder":32},"019f7f70-3593-78fe-974f-530d78621efd","dormisteis",{"id":189,"blankNumber":32,"options":190},"019f7f70-3593-79aa-974f-530d7a9570aa",[191,193,196],{"id":192,"optionText":152,"isCorrect":24,"displayOrder":14},"019f7f70-3593-794e-974f-530d7956e6b9",{"id":194,"optionText":195,"isCorrect":28,"displayOrder":9},"019f7f70-3593-7972-974f-530d79ae46c0","dormieron",{"id":197,"optionText":169,"isCorrect":28,"displayOrder":32},"019f7f70-3593-798e-974f-530d7a180548",{"id":199,"sentenceTemplate":200,"displayOrder":201,"explanation":202,"exampleSentence":203,"blanks":204},"019f7f70-3593-7b5e-974f-530d81bb15f8","Después de la helada, una planta (morir) __1__, pero los árboles no (morir) __2__.",7,"Morir cambia o por u en las dos terceras personas: una planta murió y los árboles no murieron.","El cachorro durmió en la cocina y los perros adultos durmieron fuera.",[205,217],{"id":206,"blankNumber":9,"options":207},"019f7f70-3593-7a9a-974f-530d7e6c88ac",[208,211,214],{"id":209,"optionText":210,"isCorrect":28,"displayOrder":14},"019f7f70-3593-7a32-974f-530d7c65dc49","morió",{"id":212,"optionText":213,"isCorrect":24,"displayOrder":9},"019f7f70-3593-7a5e-974f-530d7d598656","murió",{"id":215,"optionText":216,"isCorrect":28,"displayOrder":32},"019f7f70-3593-7a7e-974f-530d7daa8207","murieron",{"id":218,"blankNumber":32,"options":219},"019f7f70-3593-7b2a-974f-530d80e6b019",[220,222,225],{"id":221,"optionText":213,"isCorrect":28,"displayOrder":14},"019f7f70-3593-7ace-974f-530d7e892885",{"id":223,"optionText":224,"isCorrect":28,"displayOrder":9},"019f7f70-3593-7aee-974f-530d7f7c5f78","morieron",{"id":226,"optionText":216,"isCorrect":24,"displayOrder":32},"019f7f70-3593-7b0a-974f-530d8014bd4c",{"id":228,"sentenceTemplate":229,"displayOrder":230,"explanation":231,"exampleSentence":232,"blanks":233},"019f7f70-3593-7c42-974f-530d859964fe","En el viaje de ayer, Marta (pensar) __1__ en el problema durante una hora.",8,"Pensar termina en -ar. Aunque cambia en presente, en el pretérito no cambia la raíz: pensó, no piensó ni pinsó.","El equipo cerró la oficina después de la reunión.",[234],{"id":235,"blankNumber":9,"options":236},"019f7f70-3593-7c0e-974f-530d84c9d27d",[237,240,243],{"id":238,"optionText":239,"isCorrect":28,"displayOrder":14},"019f7f70-3593-7bb2-974f-530d82983e5f","pinsó",{"id":241,"optionText":242,"isCorrect":24,"displayOrder":9},"019f7f70-3593-7bd2-974f-530d82ec2107","pensó",{"id":244,"optionText":245,"isCorrect":28,"displayOrder":32},"019f7f70-3593-7bf2-974f-530d83d46188","piensó",{"id":247,"sentenceTemplate":248,"displayOrder":249,"explanation":250,"exampleSentence":251,"blanks":252},"019f7f70-3593-7d0e-974f-530d86d08e01","¿A qué hora (cerrar) __1__ ustedes la tienda el viernes pasado?",9,"Cerrar es un verbo en -ar, por eso no cambia la vocal de la raíz en el pretérito: cerraron.","Mis compañeras pensaron en otra solución.",[253],{"id":254,"blankNumber":9,"options":255},"019f7f70-3593-7cde-974f-530d8629a844",[256,259,262],{"id":257,"optionText":258,"isCorrect":24,"displayOrder":14},"019f7f70-3593-7c82-974f-530d85b64253","cerraron",{"id":260,"optionText":261,"isCorrect":28,"displayOrder":9},"019f7f70-3593-7ca2-974f-530d860bd33c","cirraron",{"id":263,"optionText":264,"isCorrect":28,"displayOrder":32},"019f7f70-3593-7cc2-974f-530d860ec7d4","cierraron",{"id":266,"sentenceTemplate":267,"displayOrder":268,"explanation":269,"exampleSentence":270,"blanks":271},"019f7f70-3593-7dea-974f-530d8aa1d0b6","Los turistas (volver) __1__ al hotel después de la visita de ayer.",10,"Volver termina en -er. El cambio de presente vuelve no pasa al pretérito: ellos volvieron.","La directora entendió la situación al final de la llamada.",[272],{"id":273,"blankNumber":9,"options":274},"019f7f70-3593-7db6-974f-530d89c0b7dc",[275,278,281],{"id":276,"optionText":277,"isCorrect":28,"displayOrder":14},"019f7f70-3593-7d4e-974f-530d8755bfd5","vuelvieron",{"id":279,"optionText":280,"isCorrect":28,"displayOrder":9},"019f7f70-3593-7d6e-974f-530d884c5a65","vulvieron",{"id":282,"optionText":283,"isCorrect":24,"displayOrder":32},"019f7f70-3593-7d8e-974f-530d89310374","volvieron",{"id":285,"sentenceTemplate":286,"displayOrder":287,"explanation":288,"exampleSentence":289,"blanks":290},"019f7f70-3593-7eba-974f-530d8c639891","En la reunión del lunes pasado, usted (entender) __1__ todas las instrucciones.",11,"Entender es un verbo en -er y no cambia la raíz en el pretérito. Con usted usamos entendió.","Los jugadores perdieron el primer partido del torneo.",[291],{"id":292,"blankNumber":9,"options":293},"019f7f70-3593-7e86-974f-530d8c23090f",[294,297,300],{"id":295,"optionText":296,"isCorrect":28,"displayOrder":14},"019f7f70-3593-7e2a-974f-530d8ac0678f","entiendió",{"id":298,"optionText":299,"isCorrect":24,"displayOrder":9},"019f7f70-3593-7e4e-974f-530d8b58d16d","entendió",{"id":301,"optionText":302,"isCorrect":28,"displayOrder":32},"019f7f70-3593-7e6a-974f-530d8be53fec","intindió",{"id":304,"sentenceTemplate":305,"displayOrder":306,"explanation":307,"exampleSentence":308,"blanks":309},"019f7f70-3594-710b-a469-9b9cf006a635","Al revisar «comencé, incluyeron, midió», el cambio de comencé es __1__, el de incluyeron es __2__ y el de midió es __3__.",12,"Comencé aplica z → c porque es la forma yo de comenzar. Incluyeron aplica i → y en tercera persona plural. Midió aplica e → i en tercera persona singular de medir, un verbo en -ir.","«Toqué» aplica c → qu con yo; «durmieron» aplica o → u en tercera persona plural.",[310,322,331],{"id":311,"blankNumber":9,"options":312},"019f7f70-3593-7f56-974f-530d8f36b0f0",[313,316,319],{"id":314,"optionText":315,"isCorrect":28,"displayOrder":14},"019f7f70-3593-7efa-974f-530d8d296bec","e → i en tercera persona de un verbo en -ir",{"id":317,"optionText":318,"isCorrect":24,"displayOrder":9},"019f7f70-3593-7f1a-974f-530d8deb6015","z → c en la forma yo",{"id":320,"optionText":321,"isCorrect":28,"displayOrder":32},"019f7f70-3593-7f3a-974f-530d8e3ce068","i → y entre vocales en tercera persona",{"id":323,"blankNumber":32,"options":324},"019f7f70-3594-704f-a469-9b9ced9cebe5",[325,327,329],{"id":326,"optionText":321,"isCorrect":24,"displayOrder":14},"019f7f70-3593-7f8a-974f-530d8fdfb39d",{"id":328,"optionText":318,"isCorrect":28,"displayOrder":9},"019f7f70-3594-700b-a469-9b9cebf31097",{"id":330,"optionText":315,"isCorrect":28,"displayOrder":32},"019f7f70-3594-702f-a469-9b9cecafc32d",{"id":332,"blankNumber":83,"options":333},"019f7f70-3594-70db-a469-9b9cef5759c6",[334,336,338],{"id":335,"optionText":318,"isCorrect":28,"displayOrder":14},"019f7f70-3594-707f-a469-9b9cedae2bd8",{"id":337,"optionText":321,"isCorrect":28,"displayOrder":9},"019f7f70-3594-709f-a469-9b9cee1d8982",{"id":339,"optionText":315,"isCorrect":24,"displayOrder":32},"019f7f70-3594-70bb-a469-9b9ceee9a61e",{"title":341,"slug":342,"language":343},"Cambios ortográficos y vocálicos en el pretérito","cambios-ortograficos-y-vocalicos-en-el-preterito","es"]