How to use 은/ㄴ지 몰라요 in Korean

Pattern: -(으)ㄴ지 몰라요

-(으)ㄴ지 몰라요 (-(eu)ㄴjimol-ra-yo, (eu)ㄴjimolrayo)

-(으)ㄴ지 몰라요 is used when you don't know how much time has passed since an event happened.

Explanation of how to use -(으)ㄴ지 몰라요 in Korean

Usage guide

When and how native speakers actually use it.

-(으)ㄴ지 몰라요(-(eu)ㄴjimol-ra-yo, (eu)ㄴjimolrayo)

It means not knowing how much time has passed since something happened.

When to use

Not knowing elapsed time, Recalling memories, Explaining situations

The nuance

Use verb past tense + -(으)ㄴ지 몰라요 to express not knowing how much time has passed since an action. Example: '만난 지 몰라요' means 'I don't know how long we've met.'

Real-world examples

  • 이 일을 시작한 지 벌써 3년이 된 줄 몰라요.

    i il-eul si-jak-han ji beol-sseo 3nyeon-i doen jul mol-ra-yo., i il eul si jak han ji beol sseo 3nyeon i doen jul mol ra yo.

    Correctly expresses not knowing how much time has passed.

  • 그 사람을 만난 지 오래된지 몰라요.

    geu sa-ram-eul man-nan ji o-rae-doen-ji mol-ra-yo., geu sa ram eul man nan ji o rae doen ji mol ra yo.

    '오래된지' is awkward and redundant. '만난 지 오래된 줄 몰랐어요' is natural.

  • 한국에 온 지 얼마 안 된 줄 몰라요.

    han-guk-e on ji eol-ma an doen jul mol-ra-yo., han guk e on ji eol ma an doen jul mol ra yo.

    Appropriate expression for not knowing elapsed time.

  • 그 영화를 본 지 몰라요.

    geu yeong-hwa-reul bon ji mol-ra-yo., geu yeong hwa reul bon ji mol ra yo.

    Correct past verb + -(으)ㄴ지 몰라요 form.

  • 어제 만난 지 몰라요.

    eo-je man-nan ji mol-ra-yo., eo je man nan ji mol ra yo.

    '어제' is a specific time, so it doesn't fit with -(으)ㄴ지 몰라요.

Quick quiz

  1. Which sentence correctly uses -(으)ㄴ지 몰라요?

    다음 중 -(으)ㄴ지 몰라요를 올바르게 사용한 문장은?(da-eumjung-(eu)ㄴjimol-ra-yo-reulol-ba-reu-gesa-yong-hanmun-jang-eun?, daeumjung(eu)ㄴjimolrayoreulolbareugesayonghanmunjangeun?)
  2. In what situation is -(으)ㄴ지 몰라요 mainly used?

    -(으)ㄴ지 몰라요는 주로 어떤 상황에서 쓰이나요?(-(eu)ㄴjimol-ra-yo-neunju-roeo-tteonsang-hwang-e-seosseu-i-na-yo?, (eu)ㄴjimolrayoneunjuroeotteonsanghwangeseosseuinayo?)

More usage guides

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