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新概念英语第二册语法解析及练习题：现在完成进行时
一.现在完成进行时：have / has + been + 现在分词
1.表示从过去某时开始发生，一直延续到现在且可能延续下去的动作。(将此定义读 5遍)
I've been waiting for an hour but she hasn't come.
He has been running after her for 8 years.(run after: 追求)
2.表某种感情色彩。
I've been wanting to see you for so many years.
Who's been telling you such nonsense.
释惑要点：现在完成时与现在完成进行时的对比：
现在完成时强调“结果”，而完成进行时强调“动作的延续”。
I have thought of it.(我已想到了这一点。)
I have been thinking of it.(我一直在想这一点。)
Jim has painted the door.(杰姆已将门油漆过了。)
Jim has been painting the door.(杰姆一直在油漆门。)
练习：
1. They ________ us since five o'clock this morning.
A. are helping B. have been helping
C. have been helped D. have helped
2. I ________ the book the whole day, yet I haven't finished it.
A. have been reading B. have read
C. am reading D. had been reading
3. Please come in. We ________ about your paper.
A. talk B. had been talking
C. have been talking D. would have talked
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2022新概念英语第二册语法解析及练习题分享
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