KoreaTOPIKCenter
Lv 3Grammar expressionSeen on past TOPIK papersIntermediate · TOPIK II

-을지 모르다

might ~ / not sure if ~

Attaches to a verb or adjective stem to express uncertainty about a future or unknown fact; the speaker is unsure whether the described situation will happen or is true.

Form

Other shapes
-을 지 모르다

Examples

  • 내일은 날씨가 추울지 몰라서 외투를 챙겼어요.

    I'm not sure if it will be cold tomorrow, so I packed a coat.

  • 그 사람이 올지 몰라서 자리를 하나 더 준비했다.

    Not sure if he would come, I prepared one more seat.

  • 이 방법이 효과가 있을지 모르겠지만 한번 해 보자.

    I don't know if this method will work, but let's try it.

Examples written by Korea TOPIK Center.

Quick check

  1. 1. What does ‘-을지 모르다’ mean?

  2. 2. Which form means “might ~ / not sure if ~”?