[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"grammar-exercise-01a0e1ac-76da-7819-8105-54558379b068":3,"grammar-exercise-lesson-01a07863-d6fa-7009-9ea0-21e78868dfb2":105},{"id":4,"grammarPage":5,"title":6,"instructions":7,"seoTitle":8,"seoDescription":9,"displayOrder":10,"type":11,"questions":12,"ogImageUrl":104},"01a0e1ac-76da-7819-8105-54558379b068","\u002Fapi\u002Fgrammar_pages\u002F01a07863-d6fa-7009-9ea0-21e78868dfb2","Deciding when the stem keeps ㅂ","Tap each base-form-and-ending tile, then tap the column describing the resulting stem.","ㅂ 불규칙 활용: 어미에 따른 받침 변화 분류","ㅂ 불규칙 활용에서 어미에 따라 받침을 유지하거나 바꾸는 경우를 분류합니다. 날씨, 감사, 도움과 옷차림에 쓰는 기본형에 연결 어미와 현재 및 과거 어미를 붙여 봅니다. 자음으로 시작하는 어미 앞의 형태를 비교하고, 규칙 용언이 섞인 항목도 같은 기준으로 판단합니다.",3,"word_sort",[13,36,58,80],{"id":14,"sentenceTemplate":15,"displayOrder":16,"explanation":17,"blanks":18,"payload":19},"01a0e1ac-76da-794d-8105-54558439f07d","Combine each base form with the indicated ending. Sort by whether the resulting stem keeps ㅂ or changes it to 우.",0,"First check whether the predicate is irregular. With vowel endings, these irregular predicates change ㅂ to 우, but regular predicates keep ㅂ. Consonant-initial -고 keeps ㅂ even in irregular predicates. For example, 방이 덥고 창문이 작아요 keeps ㅂ before -고.",[],{"items":20,"categories":35},[21,24,26,28,31,33],{"text":22,"category":23},"춥다 + -어요","Changes to 우",{"text":25,"category":23},"귀엽다 + -어요",{"text":27,"category":23},"고맙다 + -어요",{"text":29,"category":30},"춥다 + -고","Keeps ㅂ",{"text":32,"category":30},"입다 + -어요",{"text":34,"category":30},"잡다 + -아요",[23,30],{"id":37,"sentenceTemplate":38,"displayOrder":39,"explanation":40,"blanks":41,"payload":42},"01a0e1ac-76da-79a9-8105-545584451b90","Combine each base form with the indicated ending. Sort by whether ㅂ remains or changes in the resulting form.",1,"Consonant-initial -지만 keeps ㅂ even in irregular predicates. Vowel-initial past endings trigger the change in irregular predicates, but regular predicates retain ㅂ. For example, 그때는 어려웠지만 지금은 쉬워요 contains a past irregular change before the later -지만.",[],{"items":43,"categories":57},[44,46,48,50,53,55],{"text":45,"category":30},"춥다 + -지만",{"text":47,"category":30},"입다 + -었어요",{"text":49,"category":30},"잡다 + -았어요",{"text":51,"category":52},"덥다 + -었어요","Changes ㅂ",{"text":54,"category":52},"어렵다 + -었어요",{"text":56,"category":52},"고맙다 + -었어요",[30,52],{"id":59,"sentenceTemplate":60,"displayOrder":61,"explanation":62,"blanks":63,"payload":64},"01a0e1ac-76da-79e9-8105-545584fe5600","Form the requested polite expression from each pair. Sort by what happens to the stem-final ㅂ.",2,"Formal polite -습니다 begins with a consonant, so it preserves ㅂ even in irregular predicates. With -아\u002F어요, regular predicates keep ㅂ; most irregular predicates change it to 우, but 돕다 and 곱다 change it to 오. For example, 이 문제는 어렵습니다 uses the formal polite ending and retains ㅂ.",[],{"items":65,"categories":79},[66,69,71,73,75,77],{"text":67,"category":68},"돕다 + -아\u002F어요","Changes to 오",{"text":70,"category":68},"곱다 + -아\u002F어요",{"text":72,"category":30},"어렵다 + -습니다",{"text":74,"category":30},"씹다 + -아\u002F어요",{"text":76,"category":23},"고맙다 + -아\u002F어요",{"text":78,"category":23},"덥다 + -아\u002F어요",[68,30,23],{"id":81,"sentenceTemplate":82,"displayOrder":10,"explanation":83,"blanks":84,"payload":85},"01a0e1ac-76da-7a1d-8105-54558581f6e8","Apply both checks: the base form and the ending. Sort each pair by whether the completed form retains ㅂ.","Changing ㅂ requires both an irregular predicate and a vowel-initial ending. Regular predicates retain ㅂ with vowel endings, and irregular predicates retain it with consonant endings. For example, 어제 입었지만 오늘도 입어요 keeps ㅂ in both forms because 입다 is regular.",[],{"items":86,"categories":103},[87,89,91,93,95,97,99,101],{"text":88,"category":52},"곱다 + -았어요",{"text":90,"category":52},"귀엽다 + -었어요",{"text":92,"category":52},"어렵다 + -어요",{"text":94,"category":52},"돕다 + -아요",{"text":96,"category":30},"좁다 + -아요",{"text":98,"category":30},"씹다 + -었어요",{"text":100,"category":30},"곱다 + -지만",{"text":102,"category":30},"귀엽다 + -습니다",[52,30],"\u002Fuploads\u002Fimages\u002Fgpimg_c014f12c-2980-47a1-9376-2bed4adbdad1_hero.webp?v=1790492571",{"title":106,"slug":107,"language":108,"level":109},"'ㅂ' 불규칙 활용","bieup-bulgyuchik-hwaryong","ko","A2"]