having been done英语语法考验,

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/05/13 19:33:55

having been done英语语法考验,
having been done这是什么语法,它在什么样的情况下正确使用?
请大家用自己的话简明讲解?

1.having been done 是现在分词完成式的被动式.
2.Having been shown around the lab,we were shown around the college.
通过此句可以看出：我们先被领着参观实验室,然后被领着参观学院.
所以：现在分词的完成式的动作发生在谓语之前,那么,现在分词完成式的被动式,就是发生在谓语动词之前的被动动作.

having been done英语语法考验, Having been done ,done,having done having been done 和 done 英语语法中being done ,having been done,having done都在什么情况下出现和使用? had been done & having been done 区别 doing having done being done having been done 造句! having been done是什么时态? 用having been done 造句这个是哪种英语语法?having been done 是哪种类型的语法?什么时态 being done having been done的区别 Having been done ,done的区别 having been done和done的区别