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英语中分词being done 与 having(been) done区别是什么?

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/05/23 20:23:06
英语中分词being done 与 having(been) done区别是什么?
如Lost in thought,he didn't feel the pain.为什么不用Being lost in thought或Having been lost in thought?
eing done 是被动的进行时,意思是正在被做
例,The car is being mended.
having been done表示该动作先于主句谓语动词.
losr 只是瞬间动作,没有being lost
现在分词的被动语态:一般式(being done)表示与谓语动词同时发生的被动的动作,完成式(having been done)
The promblem being discussed is very important.