[谁能解释给我听have done和did do有什么区别?]

have it do和have it done有什么区别? have sth done和have sth to do和have sth do有什么区别? can have done和 could have done有什么区别? must have done和have done有什么区别 虚拟语气中的would/conld/should do/have done 与 did/had done有何区别 have sth done 和have sth to be done 有什么区别呢?Do you have any le to have done和having done,to do和doing用法有什么区别?记住是时态用法区别? claim to have done sth 是声称做过某事 可是to do 和 to have done 有什么区别? make done和have done有什么区别么? have done和 had done有什么区别? HAVING BEEN DONE和HAVE BEEN DONE有什么区别? having being done 和have been done 有什么区别