must have pp

아쉬움 I could have done it. I would have done it.

I should have done it. 추측 I must have done it. 1.추측 (~었나봐,~게 분명해,~게 틀림이 없어) I must have loved him.

내가 걔를 사랑했었나봐. You must have heard it.

니가 그걸 들어봤던게 분명해. He must have forgotten it.

걔 그걸 잊어버렸나봐. He must have skipped lunch.

걔 점심을 굶었었나봐. It must have been love.

그게 사랑이었던게 분명해. It must have been hot.

그게 뜨거웠던게 틀림이 없어. 2.부정문 It is true. It must be.....