having done 是什么时态

回答

爱扬教育

2022-03-14

having done 是现在完成进行时，having done是动词-ing形式的完成式，表示该动作发生在谓语动词之前；
having done sth.一般出现在句首，表达出“在……的前提下”的意思，后面必定跟着一条完整从句；
having done表示的是主动

扩展资料

　　Having done that, it's time to consider libraries.

　　在这完成之后，才去考虑库。

　　I have no idea of their having done such a thing.

　　我不知道他们做过那样的事。

　　Having done these things, he went on again.

　　做完这些事，他又向前飞去。

　　Having done that, she now could rest.

　　做完了这些事，现在她可以安息了。

　　He refused having done it in order to save his face.

　　为保全面子，他没有承认干过那件事。

　　You don't go into every job interview having done everything before.

　　你在面试时，并不是说一定会在此之前做过所有的事。