had done 和 had been done有什么区别啊?做题我老混 后面的是不是前面的被动式啊有什么区别吗知道的可以给我详细讲解一下吗》谢啦

had been done和 had done有什么区别呢? 英语had done 和had been done区别 what had been done had been done. had been doing 和had been done有什么差别 had been doing 和had been done有什么差别? had been doing 和 had done的区别 had been done 怎么用? has been done,had been done 的区别是什么? had been done 用于什么时态? has/had been gone和has had been done的区别是什么啊 我要疯了.做题总错 had have done 和had done怎样区分? 英语时态区分have done .have been doing.had done.had been doing.有什么区别. have done.have been done .had done.had been done 有什么区别?怎么用?有什么结构? had done 是过去完成时,have done是现在完成时,那have been和had been呢?be不是动词呀?急急急急 请问HAS BEEN和 HAVE BEEN HAD BEEN的用法以及分别加DONE后的用法请问HAD BEEN 单复数用法有区别吗 Had been telling和 Had told 求问had gone和had been had been done与had done是什么结构 他们的用法是什么