~ㄹ/을/ㄴ/은 줄 알다/모르다 [ Korean Grammar ] 

 August 25, 2021

By  Smriti

Learning grammar is one of the most difficult things for Korean language learners. On this blog we will try to help you learn Korean grammar in the quickest and easiest way possible. This blog will be helpful for those who are studying Korean language and want to improve their grammar skills.
Today we’ll see how to form sentences with Korean grammar pattern " V/A ~ㄹ/을/ㄴ/은 줄 알다/모르다 " with some example sentences.

A/V ~ㄹ/을/ㄴ/은 줄 알다/모르다

It is used by the speaker to indicate if he/she knows something or not. 

It is equivalent to saying " To know or to not know something "

It is one of the easiest Grammar patterns to remember and with some practice you'll be able to understand the usage pretty quickly. 

Like for example :

  • I didn't know that. - 이럴 줄 몰랐다.
  • I didn't know how to do it. - 어떻게 하는 줄 몰랐어요.

There are three ways to use this grammar pattern :

  • ㄹ/을 with Verbs and adjectives to describe future possibility
  • 는 With Verb in the present tense
  • ㄴ/은 with verbs in past tense and adjectives

Let's see the difference with the following examples : 

1) 친구가 갈 줄 알았어

I thought my friend would go. 

2)친구가 가는 줄 알았어

I thought my friend was going. 

3) 친구가 간 줄 알았어

I thought my friend was gone.

Rule to conjugate :

In the first case :

V/A ㄹ/을 - to describe future possibility

  • ㄹ Is used with the verb and adjectives when the stem ends with a vowel of ㄹ
  • 을 Is used with the verb and adjectives when the stem ends with any consonant. 

Example :

1) 그녀가 파티에 오지 않을 줄 알았어요. 

I thought she wouldn't come to the party.

2) 장소가 이렇게 넓을 줄 몰랐어

I didn't expect the place to be this big.


In the second case :

V 는 with the present tense

  • 는 Is used with the verb irrespective of whether the verb stem ends with a consonant or vowel.

Example :

1) 난 그들이 곧장 집에가는줄 알았어.

I think they went straight home.

2) 이렇게 먹는 줄 몰랐어요.

I didn't know you could eat like this.


In the third case :

V/A ㄴ/은 with verb in past tense and adjectives

  • ㄴ Is used with the verb and adjectives when the stem ends with the vowel or ㄹ
  • 은 Is used with the verb and adjectives when the stem ends with a consonant.


Example :

1) 작년에 캘리포니아로 이사간 줄 알았는데요.

I thought she moved to California last year.

2) 지수는 자기가 굉장히 예쁜 줄 아는 것 같아.

I think Jisoo knows how pretty she is.


Some example sentences:-

1) 해소되지 않는 것 다행인 줄 알아.

I'm glad I didn't get fired.

2) 얼렁뚱땅 넘어가려 하지 마. 네가 그런 줄 알아.

Don’t play silly games with me. I know you did it.

3) 할 줄 알아?

Do you know how to play this?

4) 넌 대단했어. 네가 그렇게 능력이 있는 줄 몰랐어.

You were great. I didn't know you were so capable.

5) 그녀는 네가 오는 줄 몰랐잖아.

She didn’t know you were coming.

6) 내가 오는 줄 어떻게 알고 나왔어?

How did you know I was coming?

7) 요리하는 것을 좋아하는 줄 몰랐는데요.

I didn't know that you liked to cook.

8) 내가 왜 초콜릿을 좋아하는 줄 알아?

Do you know why I like chocolate?

9) 이렇게 더울 줄 모르고 긴팔을 입고 나왔거든.

I didn't know it was going to be this hot, so I wore long sleeves.

10) 생각보다 태국 되게 더울줄 알았는데

I thought Thailand would be hotter than I thought.

11) 난 네가 기술적인 걸 많이 아는 줄 알았지.

I thought you knew a lot about technology.

To understand TOPIK Test structure, application process, Levels and Passing scores etc. check these pages:

  1. TOPIK – The Complete Guide & 2. TOPIK Levels and Passing Marks. You can also Practice Online with TOPIK GUIDE Mock Tests.

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Learning Korean can be tricky, especially when the goal of your learning is conversation. If you’ve ever attempted to speak Korean but were unable to, then hopefully you’ll find this post helpful.

Thank you for reading. If you have any questions or suggestions. Comment down below.

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