have done和 had done有什么区别?我知道他们的时态不同,但我还不是太好的区分……请大家举两个意思差不多只是这两个时态不同的句子并翻译,例：A have done sth和A had done sth（做的事相同,时态不

had have done 和had done怎样区分? have done与had done是什么时态,有什么不同?. had+done 与have+done有什么区别?举例 had been done和 had done有什么区别呢? 英语当中的Had done和Have done有什么区别 .. 英语当中的Had done和Have done有什么区别 3Q.. have done.have been done .had done.had been done 有什么区别?怎么用?有什么结构? have done 与其 had done 的区别 have done和have been done有什么分别 should have done 和have done有什么区别 must have done和have done有什么区别 英语时态区分have done .have been doing.had done.had been doing.有什么区别. could have done 和 can have done 有什么区别?还有would have done can have done和 could have done有什么区别?那can have done什么用法？ having being done 和have been done 有什么区别 HAVING BEEN DONE和HAVE BEEN DONE有什么区别? If had done,sb would do sth和If had done,sb would have done有什麼区别? get sth done&have sth doneget sth done和have sth done有什么区别?