This is the 2282nd most frequent Korean word.
했을
"했을" is a conjugated form of the verb "하다" (to do) in Korean, used to indicate something that might have been done or was done under certain conditions.
In this sentence, '했을' is used to describe a hypothetical or potential action in the past, referring to the time that could have been spent doing homework.
저는 숙제를 했을 시간에 쉬었어요.
I rested during the time I could have done my homework.
Here, '했을' expresses a retrospective hypothetical situation, imagining what the person could have achieved.
그가 했을 일은 정말 놀라웠어요.
The work he could have done was truly amazing.
In this context, '했을' points to an action being evaluated for its potential worth or feasibility in the relevant context.