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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
4. Such natural resources as coal and petroleum ________.
A. gradually are exhausted B. are being gradually exhausted
C. have gradually exhausting D. have been exhausting gradually
5. It ________ almost every day so far this month.
A. is raining B. rained C. rains D. has been raining
用所给动词正确时态填空。
1. You should go to bed. You ________ (watch) TV for 5 hours.
2. I ________ (write) letters since breakfast.
3. I ________ (write) 3 letters since breakfast.
4. Sorry, but Mr. Smith ________ (leave) for Beijing.
5. I ________ (look) for him everywhere, where can he be?
新概念英语第二册语法解析及练习题：分词
1.分词的性质：
具有形容词性质，可以在句中担任表语、定语、宾补、状语，现在分词表示主动，且动作在进行：过去分词表示被动，或动作已完成。
2.分词的形式：
例： write (vt) rise (vi)
主动语态 被动语态 主动 过去分词
时态
现在时 writing being written rising risen /
完成时 having written having been written having risen /
3.分词的用法：
(1)定语 分词置于被修饰名词前
分词短语于置于被修饰名词后
a sleeping baby = a baby who is sleeping
a running dog = a dog which is running
a broken glass = a glass which is broken
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2024新概念英语第二册语法解析及练习题分享
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