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-(으)ㄴ/는지 알다/모르다

Used to connect a question with verbs like 알다 (to know), 모르다 (to not know), 물어보다 (to ask), or 가르쳐 주다 (to teach/tell).

Summary

Equivalent

Do you know if/where/who/what...

Example

Do you know how to go to Seoul Station?

서울역에 어떻게 가는지 알아요?

Grammar rules

  • If there is a question word (who, what, where, when, why, how), it means 'Do you know (question word)...'.
  • If there is no question word, it often pairs with '-(으)ㄴ/는지 안 -(으)ㄴ/는지' (whether or not).
  • For adjectives using '있다/없다' like '재미있다', use '-는지' (재미있는지).

    그 영화가 재미있는지 알아요? (Do you know if that movie is fun?)

Patterns

1

Verbs / 없다, 있다

Present · Stem + 는지

2

Adjectives

Present · Stem + (으)ㄴ지

3

All Verbs/Adjectives

Past · Stem + 았/었/했는지

4

All Verbs/Adjectives

Future · Stem + (으)ㄹ 건지 / (으)ㄹ지

Example sentences

Do you know how to go to Seoul Station?

서울역에 어떻게 가는지 알아요?

I don't know who that person is.

그 사람이 누구인지 몰라요.

Do you know what time we will meet tomorrow?

우리가 내일 몇 시에 만날 건지 알아요?

Conversation

A: Do you know where tomorrow's exam is taking place?

내일 시험이 어디에서 있는지 알아요?

B: No, I don't really know either.

아니요, 저도 잘 몰라요.

Practice

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Eating.

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