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,
5个回答
相关问题
-
英语语法!have been done ,have done的区别
-
英语语法,have done和have been done的分别
-
有关英语语法have donehave been done has done had done这些属于什么?has/ha
-
英语语法Will do , will have done ,will be doing ，will have been
-
have been done和have been doing 和having been done和having done
-
being done,have been done ,have done,done
-
having been done和have been done的区别
-
have done and have been done
-
关于having been done 和 have been done的区别
-
have been done , have been doing ,have done的区别是什么