have/has done是什么時態(tài)

　　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。

　　Any old room would have done.

　　隨便哪間屋子都行。

　　I have done woodwork for many years.

　　我做過許多年木工活。