having done 和 to have done 意义上有什么区别?the first person having used telescopes to study the stars and planets 和 the first person to have used telescopes to study the stars and planets 有什么区别?语法上都没问题,我想知

to be done 和having been done的用法 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. 请问不定式和having done 还有to have done 是不是不能做伴随状语? having done和having been done怎么用 如题 not having done 和 having not done 的区别 having been done和having done的区别rt being done,have been done和having done怎么分辨 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? to have done 与having done 有什么区别 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 regret的用法有regret to have done吗,有的话,和regret having done有什么区别 怎么分辨谓语动词和非谓语动词啊?比如,has caused /to be done /having been done/啊什么的? Being done和having been.done的区别? 分词作状语having done和done 有什么区别 having being done 和have been done 有什么区别 HAVING BEEN DONE和HAVE BEEN DONE有什么区别? be done,have done ,having done和done之间的去别做题时怎么分别他们啊