课
程
程
资
讯
讯
综
合
合
现在完成进行时
现在完成进行时表示在现在以前这段时间里一直在进行的动作，该动作可能仍在进行，也可能已经停止了一会儿。
现在完成进行时的谓语形式：have / has been +现在分词。
We’ve just been talking about you.
I’ve been sitting here all afternoon.
How long has it been snowing？
I have been wanting to meet you for a long time.
Recently he has been doing his work quite regularly.
所有的动词都可以有现在完成进行时，但是有些动词用于现在完成进行时和现在完成时意义差别不大，有些则只能用于现在完成进行时中。
He’s been shaving since last year. （不能用has shaved）
You’ve been saying that for two years. （不能用have said ）
My father has been writing letters all this morning.（不能用has written）
I’ve been going to the same grocer’s since we lived here. （不能用have gone）
How long have you been waiting for me？ （可以用have waited）
My family has been living here for ten years.（可以用has lived）
有些动词不表延续不可以用在现在完成时，但所有动词都可以用在现在完成进行时。
1、“Who has been planning the dance？”
“Everyone in the club ________.”
A. is B. are C. have D. has
答案 D
2、Though they _______ side by side for twenty years， the two neighbors are not very friendly.
A. having been lived B. had been living
C. have been living D. having been living
答案 C
3、“You haven’t got the textbook for my chemistry course yet.”
“I know， and we _______ to get it for the last five weeks.”
A. have been trying B. had tried
C. will be trying D. will have been trying
for the last five weeks表示延续的时间状语
答案 A
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