I have no idea of their having done such a thing.
我不知道他們做過那樣的事。
Having done these things, he went on again.
做完這些事，他又向前飛去。
Having done that, she now could rest.
做完了這些事，現在她可以安息了。
He refused having done it in order to save his face.
為保全面子，他沒有承認干過那件事。
You don't go into every job interview having done everything before.
你在面試時，并不是說一定會在此之前做過所有的事。