Open Sidebar


You ought to know...


Use this grammar when talking with friends to point out something the Listener should already be aware of. Equivalent to “you ought to know…”

Detailed Explanation

  • State a reason the listener should already know - or possibly forgot
  • Scold the listener for not heeding prior warnings if something bad happens
  • Equivalent to "You ought to know..."
  • Also "totally"


  • ONLY conversational, ONLY among friends
  • If scolding the listener about not heeding prior warnings, then a statement indicating WHAT that prior warning was is included

Usage Rules

Conjugation Table

A Past ~았/었잖아요
Present ~잖아요
Future ~(으)ㄹ 거잖아요
V Past ~았/었잖아요
Present ~잖아요
Future ~(으)ㄹ 거잖아요
N Past 였/이었잖아요
Present (이)잖아요

* Note: Adjectives and Verbs use the same form.

Sentence Examples

Change to: EN

* Note: I decided to do something different with these example sentences from here on out. For more fun, I'll write as if I were a character from a famous movie. Today: Star Wars.

    Past Tense— 다스 베이더 - Darth Vader

  1. A 요다, 너도 한 때 젊었었잖아요.

    Yoda, remember you were also young once.

  2. V 김연아의 소치 동계 올림픽 공연을 봤어요? 잘 했잖아요.

    Did you see Kim Yuna's performance at the Sochi Winter Olympics? She was awesome!

  3. N 그거 오렌지라고 생각했어요? 아니야~ 귤이었잖아요.

    Did you think that was called an "orange"? Nope~ You should know it's a mandarin.

  4. A 황제 팔파틴의 발표가 항상 지루했잖아요.

    You know Emperor Palpatine's speeches are always soooo boring.

  5. V 장관 타킨을 찾을 수 없었어요? 그렇지, 나는 타킨을 포스 교살했잖아요.~

    You can't find General Tarkin? That's right. I totally Force-choked him.~

  6. N 달이라고 생각했어요? 달은 아니었잖아요. 데스스타이었잖아요!

    Do you think that's a moon? You outta know it's not a moon! It's a Death Star, duh!

  7. Present Tense— 룩 스카이워커 - Luke Skywalker

  8. A 타투인의 여름은 덥잖아요.

    You know Tatooine summers are always hot.

  9. V 난 요다한테서 포스훈련을 받잖아요.

    You outta know I was trained by Yoda!

  10. N 쓰레기통이야? 아니~ 그것은 내 엑스윙 전투기잖아요.

    Does that look like a trash can? No~ You outta know that's my X-wing fighter!

  11. A 내가 뭐라고 했어요? 쓰리피오는 자바와 친하다고잖아요.

    What did I just say? 3PO has to be nice to Jabba.

  12. V 내가 짱이다! 나 혼자 데스스타를 파괴하잖아요!

    I'm totally awesome! You know I blew up the Death Star all by myself!

  13. N 왜 이렇게 나빠요? 아빠! 난 아들이잖아요!~

    Why are you so mean? Daddy! I'm your son!~

  14. Future Tense— 레어 공주 - Princess Leia

  15. A 너 스톰트루퍼가 되고 싶어요? 너무 키가 작잖아요.

    You want to be a Stormtrooper? You outta know you're way too short.

  16. V 쉿! 비밀이야! 다스 베이더가 내 고향을 파괴할 거잖아요!

    Shhh! It's a secret! Darth Vader will totally blow up my hometown!

  17. A 룩하고 아빠가 조정하면 전쟁이 끝날 거잖아요.

    If Luke and Dad reconcile, then this war will totally be over.

  18. V 야호! 호스 행성에서 눈 사움할 거잖아요!

    Yahoo! You should know we can totally have snowball fights on the Planet Hoth!

  19. A 한! 그것은 바보같은 생각이잖아!

    Han! You outta know that's a completely idiotic idea!

  20. A 나와 한은 서로 사랑하니까 결혼하면 완전할 거잖아요.~~

    You know since Han and I love each other so much, if we get married it'll be totally perfect!~~

  21. Propositions & Imperatives

Liked it? Take a second to support Aaron on Patreon!
Become a patron at Patreon!
schedule <