intermediate · freeInteractive lesson
-(으)ㄹ 줄 알다/모르다
Try it freeComplete examples with -(으)ㄹ 줄 알다/모르다Apply the formation rule before moving into the related grammar path.Open →Explanation
-(으)ㄹ 줄 알다 can mean know how to: 수영할 줄 알아요.
Also “think/know that it would…” in some past constructions. Learn from examples.
모르다 counterpart: 할 줄 몰라요.
Different from 수 있다 (ability/possibility). 줄 알다 leans skill/knowledge.
Level: intermediate. Read the pattern, say each example out loud, then write two new sentences of your own before moving on.
After you can produce the form, open related Chamelingo pages (vocabulary, conjugator, particles) so the pattern connects to words you actually study.
Examples
젓가락질할 줄 알아요?
Do you know how to use chopsticks?
운전할 줄 몰라요.
I don’t know how to drive.
Common mistakes
- Do not translate English word-for-word into “-(으)ㄹ 줄 알다/모르다”: match Korean order and speech level.
- Do not treat near-miss patterns as free synonyms of “-(으)ㄹ 줄 알다/모르다” without checking meaning and register.
How to practice
- Register: learn the polite 요 form first unless this page is specifically about formal 습니다 style.
- Production tip: use the pattern in a short dialogue (question + answer) the same day you study it.
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