KoreaTOPIKCenter
Lv 4Grammar expressionSeen on past TOPIK papersIntermediate · TOPIK II

-아서는 안 되다

must not ~

Attaches to a verb stem to prohibit an action, stating that doing it would be wrong or unacceptable; more emphatic and often more formal than -으면 안 되다.

Form

Other shapes
-어서는 안 되다

Examples

  • 공공장소에서 큰 소리로 떠들어서는 안 된다.

    You must not talk loudly in public places.

  • 어떤 이유로도 거짓말을 해서는 안 됩니다.

    You must not lie for any reason.

  • 다른 사람의 물건을 함부로 만져서는 안 돼요.

    You must not touch other people's belongings carelessly.

Examples written by Korea TOPIK Center.

Quick check

  1. 1. What does ‘-아서는 안 되다’ mean?

  2. 2. Which form means “must not ~”?