has done是什麼時態和have done

He has done sterling work on the finance committee.

他在財務委員會工作優異。

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

據我所知，尚無人對此採取任何措施。

His equivocal response has done nothing to dampen the speculation.

他模稜兩可的迴應絲毫沒有減弱人們的猜測。

You have done as you wished.

你由着你的性子做了。

What could their neighbors have done?

他們的鄰居可以做些什麼呢？

Come with me now to see what you have done.

現在跟我來，看看你都做了些什麼。