having done 已做过的直到现在还在做
doing 正在做的
having done和doing在句首的区别?
2个回答
相关问题
-
having done和doing在句首的区别?
-
have done和have do区别
-
have been doing ,have done和have doing区别
-
to do和to have done的区别
-
having done 和 doing在独立主格结构中的区别
-
have been doing have done 的用法和区别
-
句首动词形式什么情况下填Having been done /Have been done/Have been doing
-
Have+宾语+ do doing done 的区别
-
have been done , have been doing ,have done的区别是什么
-
have sth done和have sth to do和have sth do有什么区别?