[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"grammar-exercise-01a0e1ac-7af9-7c94-97c6-d4cfc950bf48":3,"grammar-exercise-lesson-01a07863-da46-7ed7-bda4-a0e75111ad1b":109},{"id":4,"grammarPage":5,"title":6,"instructions":7,"seoTitle":8,"seoDescription":9,"displayOrder":10,"type":11,"questions":12,"ogImageUrl":108},"01a0e1ac-7af9-7c94-97c6-d4cfc950bf48","\u002Fapi\u002Fgrammar_pages\u002F01a07863-da46-7ed7-bda4-a0e75111ad1b","Experience expressions: sort the base forms","Tap each tile, then tap its column. Classify the base forms by how they change in experience expressions.","경험 표현 -(으)ㄴ 적: 기본형 분류 연습","경험 표현 -(으)ㄴ 적을 만드는 규칙에 따라 기본형을 분류하는 네 가지 연습입니다. 일상 행동과 상태를 나타내는 낱말을 보고 모음과 받침에 따른 어미 선택, ㄹ 탈락, 불규칙 동사의 어간 변화, 동사와 형용사의 차이를 구별하며 각 분류의 이유를 확인합니다.",3,"word_sort",[13,36,59,86],{"id":14,"sentenceTemplate":15,"displayOrder":16,"explanation":17,"blanks":18,"payload":19},"01a0e1ac-7af9-7dfc-97c6-d4cfc98f7eac","Remove -다 and sort each verb by the ending it takes before 적.",0,"For these regular verbs, a vowel-final stem takes -ㄴ and a consonant-final stem takes -은. Remove -다 first: the relevant ending is the stem ending, not the final syllable 다. 하다 becomes 한. For example: 동생은 중국어를 가르친 적이 있어요.",[],{"items":20,"categories":35},[21,24,26,28,31,33],{"text":22,"category":23},"찾다","Add -은",{"text":25,"category":23},"받다",{"text":27,"category":23},"앉다",{"text":29,"category":30},"배우다","Add -ㄴ",{"text":32,"category":30},"기다리다",{"text":34,"category":30},"공부하다",[23,30],{"id":37,"sentenceTemplate":38,"displayOrder":39,"explanation":40,"blanks":41,"payload":42},"01a0e1ac-7af9-7e74-97c6-d4cfca208c3a","These verbs all take -ㄴ before 적. Sort them by whether the stem must first lose ㄹ.",1,"A stem ending in ㄹ loses that ㄹ before -ㄴ; a vowel-final stem takes -ㄴ directly. A ㄹ earlier in the word does not trigger deletion: only the final consonant of the stem matters. For example: 혼자 호텔에서 산 적이 있어요?",[],{"items":43,"categories":58},[44,47,49,51,54,56],{"text":45,"category":46},"팔다","Drop ㄹ, then add -ㄴ",{"text":48,"category":46},"열다",{"text":50,"category":46},"울다",{"text":52,"category":53},"자다","Add -ㄴ without dropping ㄹ",{"text":55,"category":53},"만나다",{"text":57,"category":53},"빌리다",[46,53],{"id":60,"sentenceTemplate":61,"displayOrder":62,"explanation":63,"blanks":64,"payload":65},"01a0e1ac-7af9-7ed0-97c6-d4cfcb108c6a","Sort these verbs by whether their experience form requires an irregular stem change.",2,"The irregular verbs taught here become 들은, 걸은, 도운 and 지은 before 적. Do not extend these changes to every verb with the same final consonant: the regular verbs on this board keep their stems and add -은. Here 걷다 means walk and 짓다 means build or make. For example: 친구의 이사를 도운 적이 없어요.",[],{"items":66,"categories":85},[67,70,72,74,76,79,81,83],{"text":68,"category":69},"잡다","Regular stem: add -은",{"text":71,"category":69},"닫다",{"text":73,"category":69},"웃다",{"text":75,"category":69},"씻다",{"text":77,"category":78},"듣다","Irregular stem change",{"text":80,"category":78},"걷다",{"text":82,"category":78},"돕다",{"text":84,"category":78},"짓다",[69,78],{"id":87,"sentenceTemplate":88,"displayOrder":10,"explanation":89,"blanks":90,"payload":91},"01a0e1ac-7af9-7f28-97c6-d4cfcbc1e2c3","Sort these base forms by the construction used to describe a past experience: an action or a state.","Action verbs use -(으)ㄴ 적, but past experiences of an adjectival state use -았\u002F었던 적 in this lesson. A dictionary form ending in 하다 can describe either an action or a state, so its meaning matters. For example: 시험이 끝나서 기뻤던 적이 있어요.",[],{"items":92,"categories":107},[93,96,98,100,103,105],{"text":94,"category":95},"요리하다","Action verb: -(으)ㄴ 적",{"text":97,"category":95},"운동하다",{"text":99,"category":95},"청소하다",{"text":101,"category":102},"피곤하다","Adjective: -았\u002F었던 적",{"text":104,"category":102},"행복하다",{"text":106,"category":102},"바쁘다",[95,102],"\u002Fuploads\u002Fimages\u002Fgpimg_9ea18372-de6b-4a93-a373-b704b4700705_hero.webp?v=1790492572",{"title":110,"slug":111,"language":112,"level":113},"'-(으)ㄴ 적이 있다' 경험","jeogi-itda-gyeongheom","ko","A2"]