has done是什么時態(tài)和have done

　　He has done sterling work on the finance committee.

　　他在財務委員會工作優(yōu)異。

　　As far as I'm aware , nobody has done anything about it.

　　據(jù)我所知，尚無人對此采取任何措施。

　　His equivocal response has done nothing to dampen the speculation.

　　他模棱兩可的回應絲毫沒有減弱人們的猜測。

　　You have done as you wished.

　　你由著你的性子做了。

　　What could their neighbors have done?

　　他們的鄰居可以做些什么呢？

　　Come with me now to see what you have done.

　　現(xiàn)在跟我來，看看你都做了些什么。