have done……when 的句型?

have done……when 的句型? 求两组英语句型的解释could have done 和 couldn't have doneshould have done 和 shouldn't have done need have done ,must have done ,can/could have done ,should have done 的区别是什么?意思是什么?主要用于哪种句型?请分别举例说明, 告诉我你的理由.答案是D不是只有have done sth.when…… 的句型吗I hadn’t been watching TV for half an hour —— my mother asked me to practice playing the piano this morning.Asince B while C after D when have和make的句型have/make do/to do/done/doing 求虚拟语气的讲解 had sb done sth,sb would have not donehad sb done sth,sb would have not done这个句型是什么意思 怎么用 现在完成时的句型是什么我有点儿不会,是不是主语加have或has再加done呢? 用‘I have done’ 句型写出你经历过的五件事. 她的包在地铁里被偷了 用 have···· done句型 when the work gonna be done ?这样句型可以吗? 求高中英语固定搭配高中英语固定搭配,比如 XXXX……to……,XXXX……doing, XXXX+介词+…… ,XXXX+have done等等的类型,还有固定句型搭配,越多越好,越全越好,会追加分 主动表被动的句型有哪些?have sth to do 和have sth to be done有什么区别? may have done和may have done 的区别RTmay have done和might have done done,tobe done,to have been done,to have done,having done,having been done的区别还有用法?救我……RT,还有啥时候用to be done,啥时候用todo?如There is a lot of work to do.为什么不用to be done?With a lot of work to do,he went ou somebody was thought to do/ have done.句型中,何时用to do,何时have done 为什么动词不定式后可以接have done?是什么句型? should have done这个句型有吗好像是什么虚拟 have done 与其 had done 的区别