to have done 与having done 有什么区别

to have done 与having done 有什么区别 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. 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 been done 与 having been done 与have been doing与having been doing有什么区别 have something done 与have sth.to be done 区别 非谓语动词having been done,to have been done什么时候用?举一些例子. regard doing=regard having done=regard to have been done 非谓语动词to have done & having done 有什么区别?三克油 now i regret having done改成to have done不行吗?为什么? 请问不定式和having done 还有to have done 是不是不能做伴随状语? have done与having done 在用法上有什么具体的区别,如何使用 having been done 与 have been done 的区别和用法?求大神帮助 being done,have been done和having done怎么分辨 to do / to be doing / to have done / to have been doing/doing/having done/done能分别造几个句子区分一下吗.谢谢 homework______on time will lead to better grades.a.be done b.done c.having done d.to have been done请问该如何选择,能不能选D? Homework ( )on time will lead to better gardes.A.done B.be done C.having done D.to have been done要说明原因哦。