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develops北师大版英语选修6 Unit 17 Laughter 语法---过去完成进行时

作者:高考题库网
来源:https://www.bjmy2z.cn/gaokao
2021-01-07 20:41
tags:英语, 高中教育

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2021年1月7日发(作者:成从修)
北师大版英语选修6 Unit 17 Laughter 语法---过去完成进行时
过去完成进行时(P21)
过去完成进行时强调:某个过去事件之前发生的、较长时间段内进行的动作。例
如:
She was rescued by a man who had been working in a nearby garage.
过去某个确定的时间点内反复进行的动作。例如:
We had only been driving for about fifteen minutes when Jill asked me to stop the
car.
过去的某个时间点还在进行的动作。例如:
I’d been waiting for the train for over an hour when they announced that it had been
cancelled.

进行时态和非进行时态(P29)
在下列情况下使用进行时态:
1. 动作还没有完成
The doctor was writing a note. (她在写便条的过程中)
The doctor wrote a not. (便条写好了)
I’ve been reading this book for weeks. (我读完了)

活动是暂时的而不是永久的
You’re breathing quite heavily. (只在一定时间内,因为你累了或病了)
People with heart conditions often breathe quite heavily.(是一般的特征)
My aunt was living here.(仅在某段时间内)
My aunt lived here.(永久性的)

较长时间内反复进行的而不是一次发生的动作
The man was looking at his watch. (持续地反复地)
The man looked at his watch.(一次)
She dived into the pool.(一次)
She’s been diving into the pool. (多次)

同步练习
1. The boy was delighted with his new story book which he ________ for a long time.
A. was wanting B. has wanted C. has been wanting D. had been wanting
2. It was midnight and he was tired because he ________since dawn.
A. was working B. has worked C. had been working D. has been working
3. He ________ to get her on the phone, but he didn't get through it.
A. has tried B. was trying C. tries D. had been trying
4. He ________ the door and after that he had a drink at a small cafe.
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