have done/to be done上面俩表示被做的用法.那个是自己做,那个是让别人做?

have been done 和 to be done be believed to have done have sth to be done/have sth done?为什么要用have anyting to be done? have something done 与have sth.to be done 区别 to have done,to be done,to have been done,having done在用法上有什么区别? 关于英语非谓语问题非谓语doing having done to do to have done to be doing being done have been done to be done to have been doing done doing,having done,to do,to have done ,to be doing,being done,have been done,to be done,to have been doin have sth to be done造句 be used to have done是什么用法? be sorry to have done的用法 have done与have be done to be done、being done 和have been done 有什么区别啊~ pretend to be done是什么时态?pretend to be doing pretend to have done pretend to have been done呢? 歌曲中含有TO DO ：TO BE DONE ：TO HAVE BEEN DONE ：TO HAVE DONE是班主任让查的, have something done和need to be done如题 请问have to be done ,need to be done怎么使用?是什么时态?表示什么时间段? to be done to have been done to have been doing 形式的造句, have done to seem to be done TO BE DONE怎么样