-(으)ㄹ 줄 알다/모르다
(eu)l jul alda/moreuda
Grammar · 2 senses
Doesn't know how to
Examples
휴대 전화로 사진을 보낼 줄 몰라요.
I don't know how to dsend pictures by mobile phone.
저는 영어를 할 줄 몰라요.
I don't know how to speak English.
When you'd hear it
This is common in everyday conversation, often with polite endings such as 몰라요. Learners may encounter it when discussing practical skills, technology, cooking, or language ability with friends or coworkers.
What learners get wrong
Here, 줄 알다/모르다 concerns knowing a method, while -(으)ㄹ 수 있다/없다 focuses on whether someone can or cannot do something. Also note that 줄 알다 can mean “think” in other contexts, so the surrounding sentence matters.
Know how to do
Examples
된장찌개를 맛있게 끓일 줄 알아요.
I know how to cook a tasty doenjang stew.
저는 잡채하고 스파게티를 만들 줄 알아요.
I know how to make japchae and spaghetti.
When you'd hear it
Common in everyday conversation, including polite speech with teachers, coworkers, and unfamiliar adults. It also appears when discussing practical skills in workplaces, classes, and dramas.
What learners get wrong
Learners often confuse this with -(으)ㄹ 수 있다. Use -(으)ㄹ 줄 알다/모르다 for knowledge of a learned method, while -(으)ㄹ 수 있다 focuses on ability or possibility in a particular situation.
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