what you had done added to our difficulties.帮忙分析这个句子为什么add后要加ed

What you had done in this week? What have you had done?为什么不是What have you done? what had been done had been done. What would you have done last night if you hadn't had to study 是什么时态 虚拟语气 if You could have done other career What would it have been 为什么不是 if ..Had done 句 what had you done by the time were three years old what you had done added to our difficulties.帮忙分析这个句子为什么add后要加ed What would you have done What Have You Done 歌词 What would you have done what have you done today what have you done lately? What have you done recently? what have you done this he had almost e forgotten what he had done You will ask for what you A will do B have done C had done D do 选B 为什么为什么用现在完成时 What if something had happened to you?What if I couldn't get to you?What would I have done without 求翻译/ Could you have been more careful Why ,what wrong__I__?A.did do B.will do C.have done D.had done 请选择,并加以解释.