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时　态 （Tense） YanKang 主持
现在完成进行时 Present Perfect Progressive

形式：has / have + been +verb-ing。

用法：1，谈论最近具在、连续的作为：
I've been cooking lunch.

2，表达连续、尚未完成的事件：
He's been writing the story of his life.

3，常与for、since 联用。
They've been building that bridge for ages.

4，过去完成时与过去完成进行时区别：




 





 

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试题		 It has been snowed every winter for years.
It has been snowing all day.

I've read your book. (I've finished it)
I've been reading your book.(I haven't finished it)

Who's eaten my sandwich? (The plate is empty)
Who's been eating my sandwich?(some is left)
5，在没有副词的情形下，表示效果依然可见：Look! It's been raining. (The streets are wet)　　　　　下页