가 봐야 돼

have to go

→ 가다
phrase Rare #32,032
have to go In this expression, 봐야 is part of a construction expressing necessity; it does not mean “see.” 가 봐야 돼 is informal, while 가 봐야 돼요 is polite.
KO: 지금 집에 가 봐야 돼.
EN: I have to go home now.

가 봐야 돼

I have to go

— Oasis (2002)

나도 가 봐야 돼

I have to go too.

— 엘리트 스쿼드 (2007)

중요한 일이 있어서 가 봐야 돼

I have something important to take care of, so I have to go.

— 폴링 다운 (1993)