having done和to have done区别?我们老师说regret to have done,forget having done都表示完成.

having done 和 to have done的区别having done 和 to have done 有什么区别? having done和to have done区别?我们老师说regret to have done,forget having done都表示完成. being done,have been done和having done怎么分辨 请问不定式和having done 还有to have done 是不是不能做伴随状语? to have done 与having done 有什么区别 to have done和having done,to do和doing用法有什么区别?记住是时态用法区别? having being done 和have been done 有什么区别 HAVING BEEN DONE和HAVE BEEN DONE有什么区别? to have done,to be done,to have been done,having done在用法上有什么区别? be done,have done ,having done和done之间的去别做题时怎么分别他们啊 regret的用法有regret to have done吗,有的话,和regret having done有什么区别 to be done 和having been done的用法 have been done和have been doing 和having been done和having done的区别.请举例, 怎么区分谓语动词,to do doing done 和to be doing to be done to have done 和beingdlonehaving done having been done?越具体越好 有分的=3=谢谢你们 have been done 和 to be done 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 非谓语动词中什么时候用不定式,什么时候用分词,什么时候用动名词?不是区分to do,to be doing,to have done ,to be done ,to have been done!而是选项中同时出现to be doing和doing或to have done和having done或to have 非谓语动词having been done,to have been done什么时候用?举一些例子.