[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"grammar-exercise-01a0e1ac-788e-7c93-8cf8-e59a027a14b8":3,"grammar-exercise-lesson-01a07863-d88f-7cc0-9aa7-a29fd586b720":107},{"id":4,"grammarPage":5,"title":6,"instructions":7,"seoTitle":8,"seoDescription":9,"displayOrder":10,"type":11,"questions":12,"ogImageUrl":106},"01a0e1ac-788e-7c93-8cf8-e59a027a14b8","\u002Fapi\u002Fgrammar_pages\u002F01a07863-d88f-7cc0-9aa7-a29fd586b720","Before and after: sort forms and time references","Tap each tile, then tap its matching column. Follow the sorting rule on each board.","전과 후의 동사·명사 표현 형태 분류","기 전에와 은 후에의 결합 규칙을 기준으로 동사와 명사, 시간 표현을 분류합니다. 동사 어간의 끝소리에 따른 후에 형태, 명사 뒤에 붙는 전에, 행사와 기준 시점의 차이를 살펴보고 자주 틀리는 표현도 구별합니다. 일상 동작과 일정에 관한 짧은 표현으로 연습합니다.",4,"word_sort",[13,37,60,83],{"id":14,"sentenceTemplate":15,"displayOrder":16,"explanation":17,"blanks":18,"payload":19},"01a0e1ac-788e-7e1b-8cf8-e59a02b5f929","Sort these dictionary-form verbs by how their stems change before 후에.",0,"Remove 다 first. A vowel-ending stem takes ㄴ; a ㄹ-ending stem loses ㄹ and takes ㄴ; other consonant-ending stems take 은. The stem of 도착하다 ends in 하, not a consonant. For example, 닫다 becomes 닫은 후에 in 문을 닫은 후에 앉아요.",[],{"items":20,"categories":36},[21,24,26,29,31,34],{"text":22,"category":23},"보다","Add ㄴ to a vowel-ending stem",{"text":25,"category":23},"도착하다",{"text":27,"category":28},"열다","Drop ㄹ, then add ㄴ",{"text":30,"category":28},"살다",{"text":32,"category":33},"입다","Add 은 after another consonant",{"text":35,"category":33},"찾다",[23,28,33],{"id":38,"sentenceTemplate":39,"displayOrder":40,"explanation":41,"blanks":42,"payload":43},"01a0e1ac-788e-7e97-8cf8-e59a036e17e3","Sort each entry by how to form a before-expression: treat dictionary-form verbs as verbs and event nouns as nouns.",1,"Event nouns take 전에 directly. Verbs lose dictionary 다 and take 기 전에 regardless of the final consonant; keep ㄹ in 놀기 전에. Do not add 기 to an event noun. For example, 출발 전에 전화해요 uses a noun, while 출발하기 전에 전화해요 uses a verb.",[],{"items":44,"categories":59},[45,48,50,52,55,57],{"text":46,"category":47},"공연","Attach 전에 to the noun",{"text":49,"category":47},"저녁 식사",{"text":51,"category":47},"결혼식",{"text":53,"category":54},"만나다","Attach 기 전에 to the verb stem",{"text":56,"category":54},"앉다",{"text":58,"category":54},"놀다",[47,54],{"id":61,"sentenceTemplate":62,"displayOrder":63,"explanation":64,"blanks":65,"payload":66},"01a0e1ac-788e-7efb-8cf8-e59a0452ca4f","Sort these time phrases by whether their reference is a named event or a measured distance from a reference time.",2,"An event noun anchors before or after to that event. A duration states how far before or after now or another reference time something occurs. 에 can be omitted in these noun-time expressions, so its presence does not decide the category. For example, 면접 전에 도착했어요 refers to an interview, while 오 분 전에 도착했어요 gives a measured offset.",[],{"items":67,"categories":82},[68,71,73,75,78,80],{"text":69,"category":70},"시험 후","Named event",{"text":72,"category":70},"공연 전에",{"text":74,"category":70},"결혼식 후에",{"text":76,"category":77},"한 시간 전","Measured time offset",{"text":79,"category":77},"십 분 후에",{"text":81,"category":77},"세 시간 후",[70,77],{"id":84,"sentenceTemplate":85,"displayOrder":86,"explanation":87,"blanks":88,"payload":89},"01a0e1ac-788e-7f53-8cf8-e59a04f795aa","Sort these attempted before\u002Fafter phrases by whether the verb or noun is combined with the time expression correctly.",3,"Before takes a verb stem plus 기 전에, not the ㄴ form. After takes (으)ㄴ 후에, not 기 후에. Event nouns take 전 or 후 directly. Thus the faulty phrases need 보기 전에, 입은 후에 and 공연 전에. For a different example, 예약한 후에 방문해요 uses the completed reservation as the earlier action.",[],{"items":90,"categories":105},[91,94,96,98,101,103],{"text":92,"category":93},"본 전에","Needs a form correction",{"text":95,"category":93},"입기 후에",{"text":97,"category":93},"공연기 전에",{"text":99,"category":100},"찾기 전에","Correctly formed",{"text":102,"category":100},"앉은 후에",{"text":104,"category":100},"저녁 식사 후에",[93,100],"\u002Fuploads\u002Fimages\u002Fgpimg_f9dddca6-9217-4cfa-85cf-08683ca6cf40_hero.webp?v=1790492571",{"title":108,"slug":109,"language":110,"level":111},"'-기 전에'와 '-(으)ㄴ 후에'","gi-jeone-wa-eun-hue","ko","A2"]