have done的用法

问题描述:

have done的用法
要例句I have done。

have done
了结,做完,结束
I have done the errands quickly.
我很快干完了这些差事.
That is what I have done.
这就是我所做的事情.
I have done my share of the work.
我已经做了我分内的工作.