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-아/어야 하다/되다

must, have to

Level 2 · Expression

Explanation

Expresses obligation or necessity. ㅏ/ㅗ stems take 아야 하다, others 어야 하다, 하다 → 해야 하다. 되다 can replace 하다, slightly more colloquial.

Examples

  • 내일까지 보고서를 내야 해요.

    I have to submit the report by tomorrow.

  • 비행기를 타려면 여권이 있어야 돼요.

    You need a passport to take a plane.

  • 건강을 위해 채소를 많이 먹어야 해요.

    You should eat lots of vegetables for your health.

TOPIK note

TOPIK I Reading 40–42 (rules) and Listening 22–24.

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