did, might have done (I wonder)
그런 얘길 왜 했을까?
Why did you say that?
— 증오 (1995)
내가 왜 연락을 안 했을까?
Why didn't I reach out?
— 잠수종과 나비 (2007)
왜 안 했을까?
Why didn't you do it?
— 이중 배상 (1944)
왜 앉으라고 했을까?
Why did you tell me to sit down?
— 보리밭을 흔드는 바람 (2006)
왜 막지 못 했을까
Why couldn’t I stop it?
— 엘 시크레토: 비밀의 눈동자 (2009)
그리고 뭘 했을까?
And what did you do?
— 불릿 트레인 (2022)
당신도 아니고 왜 나를 죽었다 했을까?
Why did you call me dead when you weren't even me?
— 400번의 구타 (1959)
그 사람은 그 때 무슨 생각을 했을까?
What was that person thinking at that time?
무슨 말 했을까?
What did he say?
— 아모레스 페로스 (2000)
알퐁스가 왜 그런 짓을 했을까?
Why would Alphonse do such a thing?
— 아메리카의 밤 (1973)
결혼은 했을까?
I wonder if they got married.