했을 거예요

would have done; probably did

→ 하다
phrase Rare #17,016
would have done; probably did Usually expresses a hypothetical past action, often in a conditional sentence. Depending on context, it can also mean “probably did.” The ending 거예요 is polite but conversational.
KO: 당신을 위해서라면 뭐든지 했을 거예요.
EN: I would have done anything for you.

제가 만약 결혼을 했다면 로지 했을 거 예요

If I had gotten married, it would have been to Rosie.

— 반지의 제왕: 왕의 귀환 (2003)

분명 그녀와 했을 거 예요

You must have done it with her.

— 반지의 제왕: 왕의 귀환 (2003)