연락해야

have to contact, need to get in touch with

→ 연락하다
연락 contact, communication + 해야 do; perform
verb · informal, future tense Rare #29,280
have to contact, need to get in touch with Used with a following verb or ending to express that contacting someone or something is necessary.
KO: 늦으면 선생님께 연락해야 해요.
EN: If I’m going to be late, I have to contact the teacher.
Conjugation of 연락하다
Necessitative future
연락해야

이모 댁에 가기 전에 연락해야 하지 않아요?

Shouldn't I contact you before going to your aunt's house?

— 귀향 (2006)

연락해야 해요

I need to get in touch.

— 이웃집 토토로 (1988)