[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"grammar-exercise-01a0e1ac-7d5c-733f-8253-5c4e63b84d51":3,"grammar-exercise-lesson-01a07863-dcdb-7304-9758-3f3e2c62e6f1":107},{"id":4,"grammarPage":5,"title":6,"instructions":7,"seoTitle":8,"seoDescription":9,"displayOrder":10,"type":11,"questions":12,"ogImageUrl":106},"01a0e1ac-7d5c-733f-8253-5c4e63b84d51","\u002Fapi\u002Fgrammar_pages\u002F01a07863-dcdb-7304-9758-3f3e2c62e6f1","Sort endings and recover changing stems","Tap each tile, then tap its matching column. Follow the sorting rule on each board.","용언의 어간과 어미: 활용과 형태 변화 분류","용언의 어간과 어미를 활용형 분류로 연습합니다. 옷 입기, 씻기, 사람 만나기 같은 일상 표현에서 현재와 과거, 연결과 대조를 구별합니다. 기본형과 공손한 표현을 비교해 모음이 합쳐지는 경우와 으가 떨어지는 경우를 나누고, 활용형에서 원래 어간을 찾아 받침 유무도 확인합니다.",4,"word_sort",[13,36,59,83],{"id":14,"sentenceTemplate":15,"displayOrder":16,"explanation":17,"blanks":18,"payload":19},"01a0e1ac-7d5c-74c3-8253-5c4e6470ef14","Sort these polite forms by whether their endings mark the present or the past.",0,"Polite -아요\u002F-어요 forms do not contain the past marker; -았어요\u002F-었어요 forms do. Sort by the ending shown, rather than imagining an unusual conversational context. For example, yesterday is expressed with the past form in 어제 친구를 도왔어요.",[],{"items":20,"categories":35},[21,24,27,29,31,33],{"text":22,"category":23},"입어요","Polite present ending",{"text":25,"category":26},"닫았어요","Polite past ending",{"text":28,"category":23},"씻어요",{"text":30,"category":26},"웃었어요",{"text":32,"category":23},"만나요",{"text":34,"category":26},"잡았어요",[26,23],{"id":37,"sentenceTemplate":38,"displayOrder":39,"explanation":40,"blanks":41,"payload":42},"01a0e1ac-7d5c-754f-8253-5c4e6478aa01","Sort these unfinished forms by whether their ending links actions or states, or marks a contrast.",1,"-고 links actions or states, while -지만 explicitly introduces contrasting information. These are connecting forms, not complete polite sentences. For example, 조용하지만 사람이 많아요 contrasts quietness with having many people.",[],{"items":43,"categories":58},[44,47,50,52,54,56],{"text":45,"category":46},"씻고","Link: -고",{"text":48,"category":49},"높지만","Contrast: -지만",{"text":51,"category":46},"입고",{"text":53,"category":49},"좋지만",{"text":55,"category":46},"만나고",{"text":57,"category":49},"멀지만",[49,46],{"id":60,"sentenceTemplate":61,"displayOrder":62,"explanation":63,"blanks":64,"payload":65},"01a0e1ac-7d5c-75a3-8253-5c4e64a24729","Compare each dictionary form with its polite form. Sort by the change shown; keep 하다 words in their own column.",2,"Some stem and ending vowels merge; stems ending in 으 can lose that vowel. Words ending in 하다 use 해요 here and have their own column, even though they also involve a vowel change. For example, 전화하다 becomes 전화해요 in 집에 전화해요.",[],{"items":66,"categories":82},[67,70,73,76,78,80],{"text":68,"category":69},"청소하다 → 청소해요","하다 becomes 해요",{"text":71,"category":72},"자다 → 자요","Vowels merge: not 하다",{"text":74,"category":75},"크다 → 커요","Stem vowel 으 disappears",{"text":77,"category":69},"운동하다 → 운동해요",{"text":79,"category":72},"보다 → 봐요",{"text":81,"category":75},"쓰다 → 써요",[72,75,69],{"id":84,"sentenceTemplate":85,"displayOrder":86,"explanation":87,"blanks":88,"payload":89},"01a0e1ac-7d5c-75ef-8253-5c4e657ff8a9","Recover the dictionary form behind each polite form, remove 다, and sort by the original stem’s final consonant.",3,"The original stem comes from the dictionary form, not from removing 요. Shortening can hide its shape. For example, 보내요 comes from 보내다, so its stem 보내- has no final consonant.",[],{"items":90,"categories":105},[91,94,97,99,101,103],{"text":92,"category":93},"잠가요","Original stem has no final consonant",{"text":95,"category":96},"찾아요","Original stem has a final consonant",{"text":98,"category":93},"아파요",{"text":100,"category":96},"남아요",{"text":102,"category":93},"배워요",{"text":104,"category":96},"받아요",[96,93],"\u002Fuploads\u002Fimages\u002Fgpimg_0781a222-fcaf-4f4d-b02b-31a33bd05f97_hero.webp?v=1790492573",{"title":108,"slug":109,"language":110,"level":111},"용언의 기본형과 어간","yongeon-ui-gibonhyeong-gwa-eogan","ko","A1"]