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（四）、常与always连用，表埋怨、责怪、 表扬和喜欢等感情。
For example:
My father was always smoking when she was young.
我父亲年轻时，总是抽烟。
I remembered She was often smiling when I talked to her. 我记得当我和她说话时经常微笑。
when the UFO arrived.
4. What _w__e_r_e___ you_d__o_in__g__ when you _h_e_a_r_d
the alarm? (当听到警报的时候, 你在干什么?)
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While
What were they doing yesterday afternoon?
While he was reading books ,I was doing my homework. 特别注意：when 与while 的区别
二者都有“当……时”的意思，但while 后只能跟延续性动词（即后面可加ing
的动词），而when 后既可跟延续性动词，又可跟非延续性动词，所有动词均
可。
D. --Oh, I_____ a walk with my parents at that time.
E. A. took B. was taking C. am talking D.
take
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3. They ___w_e_r_e__b_u_y__in_g__c_l_o_t_h_e_s_ (在买衣服）
last
night,以及when, while引导的时间状语从句。
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五、用法
（一）、过去某一时刻正在进行或发生的动作。
（二）、过去某个时间前后两个动作是同时进行的。
For example:
当老师进来时你们正在干什么？ 老师进来时他正在读书。他在读书时，我在写作业。
What were you doing when the teacher came in？ He was reading books when the teacher came in .
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Exercise
1.When I arrived at his office , he _____on the
phone.
A. was talking
B. talked
B. C. talk
D. talks
C. 2.--I called you yesterday evening, but nobody answered the phone.
He was playing basketball while
she was sleeping.
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感谢亲观看此幻灯片，此课件部分内容来源于网络， 如有侵权请及时联系我们删除，谢谢配合！
感谢亲观看此幻灯片，此课件部分内容来源于网络， 如有侵权请及时联系我们删除，谢谢配合！
过去进行时微课
岱岳区满庄一中 李华
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一、定义：过去某一时间正在进行的动作。 二、与现在进行时的异同：
现在进行时的构成为： 主语 十助动词am/is/are十动词的现在分词。

I was having dinner
You were having a
with my friends at this math class at this time
time yesterday.
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三、构成： 主语 十助动词was (were)十动词的现在分词
四、标志词：
at this time yesterday , at that time, at five last Sunday ,
the whole morning,
all that day, then,
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（三）、描述一件事发生的背景，一个长动 作发生时，另一个短动作在发生。
For example: My brother fell while he was riding a bike.
我哥哥骑自行车时，摔倒了。
It was snowing when he left school .
他离开学校时，天在下雪。