有没有have to been done有没有这种结构啊,那个什么动作发生在谓语之前的是什么啊,是不是还有个having done

to have done,to be done,to have been done,having done在用法上有什么区别? 有没有been done 这个时态?注意,没有have have been done 和 to be done to be done、being done 和have been done 有什么区别啊~ to have been done 有这个形式吗? 有没有have to been done有没有这种结构啊,那个什么动作发生在谓语之前的是什么啊,是不是还有个having done HAVING BEEN DONE和HAVE BEEN DONE有什么区别? to have been done是什么时态 To.have.been.done应该怎么翻译 to have been done 怎么用 have done和have been done有什么分别 it's reported to have done 和it s reported to have been done有什么区别? to be done to have been done to have been doing 形式的造句, have been done和 have done什么区别?English has been taught in China for many years.(中国教英语已经多年.)有没有been?为什么? have been to和have done to的区别 have been to do什么意思?他和have been doing,have been done,have done有什么区别?例句：Chinese authorities say Russian experts have been on hand to support the entire mission. having being done 和have been done 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