갔을 거야

probably went

→ 가다
phrase Rare #17,037
probably went Used to guess or express certainty about a past action. Depending on context, it can also mean “must have gone” or, in a hypothetical situation, “would have gone.”
KO: 아마 벌써 집에 갔을 거야.
EN: They probably went home already.

혼자선 두려워서 절대 못 갔을 거 야

I would never have gone alone because I was too scared.

— 하울의 움직이는 성 (2004)

비사우 갔을 거 야

I would've gone to Bissau.

— 양철북 (1979)

안토니나 파티에 갔을 거 야

Antonina must have gone to the party.

— 학이 난다 (1957)

다샤의 새 남친 셋이 바하마 갔을 거 야

They must have gone to the Bahamas—the three of them, including Dasha’s new boyfriend.

— 아노라 (2024)