[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"pubgrp:kg-n-jeok-itda:ko:en":3},{"type":4,"slug":5,"title":6,"level":7,"goal":8,"image_path":9,"is_locked":10,"is_daily_free":10,"formula":11,"gloss":8,"desc":14,"desc_audio":9,"voices":15,"examples":16,"fills":53,"choices":54},"grammar","kg-n-jeok-itda","-ㄴ 적 있다 (Experience)","intermediate","Expressing past experience with (으)ㄴ 적이 있다",null,false,[12,13],"Verb (으)ㄴ 적이 있다\u002F없다","V-은 적 \u002F V-ㄴ 적","In English, you express past experience simply by saying \"I have eaten sushi\" or \"I have never been to Korea\"—the present perfect tense handles it all. But Korean requires a fundamentally different **conceptual approach**: instead of just using a tense, Korean **explicitly marks the \"trace\" or \"evidence\" of a past action that still exists in the present**. The grammar point `ㄴ 적 있다` literally translates as \"there exists a trace\u002Foccasion of [verb]ing,\" which is why it feels so different to English speakers.\n\nThe key insight is that **`적` means \"occasion\" or \"trace,\"** and `ㄴ` turns the verb into a noun-like modifier describing that occasion. So `먹은 적이 있다` doesn't just mean \"I have eaten\"; it means \"there exists an occasion when I ate\"—emphasizing that the experience happened and left a mark. This is why Korean also uses `없다` (doesn't exist) in the negative: `먹은 적이 없다` = \"there does not exist an occasion when I ate.\"\n\nEnglish speakers often struggle because English collapses experience into a **simple past** or **present perfect** without this explicit \"trace\" concept. Korean **separates the idea of doing something (past tense) from the idea of having that experience persist as evidence in your present knowledge**. When you say `가본 적이 있어요`, you're saying the experience of \"having gone\" exists as something you can recall and testify to—it's not just a completed action, it's **evidence of your life experience**. This subtle shift in perspective makes the grammar feel natural once you understand it's about **marking memorable, countable experiences, not just past actions**.",[],[17,23,29,35,41,47],{"en":18,"ko":19,"ko_audio":20,"audio":21,"audios":22},"저는 일본에 간 적이 있어요.","I have been to Japan (I have that experience).","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Ftrans_audio\u002Ff0e6e4ac-9bcd-4b18-803e-a6434b4396cb.mp3","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Fblock_audio\u002F9b6ea1cf-cc37-480a-bdd9-429caea0869c.mp3",{},{"en":24,"ko":25,"ko_audio":26,"audio":27,"audios":28},"한국 음식을 먹어본 적이 있으세요?","Have you ever experienced eating Korean food? \u002F Have you had the experience of trying Korean food?","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Ftrans_audio\u002F1490bf5b-6348-4e51-b8ee-130acd847d32.mp3","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Fblock_audio\u002Fb20df0c8-ad53-4c97-a49a-6cbc078ffff5.mp3",{},{"en":30,"ko":31,"ko_audio":32,"audio":33,"audios":34},"그런 실수를 한 적이 없어요.","I have never made that kind of mistake (no such occasion exists in my experience).","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Ftrans_audio\u002Fd567b9ac-a7b8-4b6f-b275-15d62b6e3d09.mp3","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Fblock_audio\u002F6322d284-82f0-4175-b330-824c07ccd828.mp3",{},{"en":36,"ko":37,"ko_audio":38,"audio":39,"audios":40},"비행기 타본 적이 있니?","Have you ever been on a plane? \u002F Do you have the experience of having flown?","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Ftrans_audio\u002Fd860e9e6-a71a-4e7a-8b97-c3b5aaec376d.mp3","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Fblock_audio\u002F209e7ea6-a992-469c-a994-abf17e037926.mp3",{},{"en":42,"ko":43,"ko_audio":44,"audio":45,"audios":46},"이 책을 읽은 적이 있는데, 정말 좋았어요.","I have read this book before (I have that experience), and it was really good.","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Ftrans_audio\u002Ff35e87e5-18d8-453c-8319-f575d6d53fa2.mp3","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Fblock_audio\u002Fedfac15f-e984-4a5f-a07a-c3e8a4038fea.mp3",{},{"en":48,"ko":49,"ko_audio":50,"audio":51,"audios":52},"영어를 공부한 적이 있지만 완전히 잊어버렸어요.","I have studied English (I have that experience), but I completely forgot it.","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Ftrans_audio\u002F36ca29dc-5d42-41b0-bc0e-f521a532963e.mp3","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Fblock_audio\u002F7d8bfd4b-936f-44ae-8035-3ac5224be3d5.mp3",{},[],[55,66,78],{"ko":56,"options":57},"What is the primary difference between '먹었어요' (past tense) and '먹은 적이 있어요' (past experience)?",[58,60,62,64],{"t":59,"ok":10},"There is no difference; they mean exactly the same thing.",{"t":61,"ok":10},"'먹었어요' is just a past action, while '먹은 적이 있어요' emphasizes that you have the personal experience and knowledge of what that action is like.",{"t":63,"ok":10},"'먹은 적이 있어요' only works with negative sentences.",{"t":65,"ok":10},"'먹었어요' is more polite than '먹은 적이 있어요'.",{"ko":67,"options":68},"Which sentence correctly uses '(으)ㄴ 적이 있다' to express past experience?",[69,71,74,76],{"t":70,"ok":10},"저는 숙제를 할 적이 있어요. (Present tense—doing homework right now)",{"t":72,"ok":73},"저는 서울에 산 적이 있어요. (I have lived in Seoul—had that experience).",true,{"t":75,"ok":10},"저는 매일 운동을 한 적이 있어요. (This sounds odd because 매일 is habitual, not experiential).",{"t":77,"ok":10},"Both A and B are correct.",{"ko":79,"options":80},"What does '그런 일은 해본 적이 없어요' mean?",[81,83,85,87],{"t":82,"ok":10},"I sometimes do that kind of work.",{"t":84,"ok":73},"I have never experienced doing that kind of thing (no such occasion exists in my life).",{"t":86,"ok":10},"I am currently trying to do that kind of work.",{"t":88,"ok":10},"I will never do that kind of work in the future."]