돌아오지 않을

will not return

→ 돌아오다
phrase Uncommon #8,233
will not return This form usually comes before a noun, as in “someone who will not return.”
KO: 그는 다시 돌아오지 않을 사람처럼 떠났어요.
EN: He left like someone who would never return.

영영 돌아오지 않을 거 야

I’ll never come back.

— 마지막 황제 (1987)

난 돌아오지 않을 거 요

I won't come back.

— 반지의 제왕: 두 개의 탑 (2002)

아니 그때 나는 네가 돌아오지 않을 거 라고 생각했어

No, I thought you weren't coming back then.

— Tune in for Love (2019)

돌아오지 않을 것 같지?

It doesn't seem like they'll come back, does it?

— Tune in for Love (2019)