《What were you doing when the rainstorm came?》PPT课件2
【学习目标】
1. 能够熟记并正确使用下列单词和短语：have a look icy kid realize。
2. 继续学习如何正确使用过去进行时。
3. 能够理解并正确使用when 和while两个词。
4. 能够利用when和while描述自己的日常生活。
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读下列句子, 你能总结出句子中包含的语法吗？
What were you doing at eight last night?
I was taking a shower.
What was she doing at the time of the rainstorm?
She was doing her homework.
What was he doing when the rainstorm came?
He was reading in the library when the rainstorm came.
What was Ben doing when it began to rain heavily?
When it began to rain, Ben was helping his mom make dinner.
What was Jenny doing while Linda was sleeping?
While Linda was sleeping, Jenny was helping Mary with her homework.
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1. 以when和while引导的时间状语从句
1) 延续性动词和非延续性动词
延续性动词指动作可以延续一段时间, 而不是瞬间结束。
如: work、study、drink、eat等。
非延续性动词指动作极为短暂，瞬间结束。
如: start、begin、hit、jump、knock等。
2) 在本单元中, 出现了以when和while引导的时间状语从句。
when表示“当……的时候”。从句中既可用延续性动词, 又可用非延续性动词, 这些动词既可以表示动作, 又可表示状态。从句中的动作既可和主句的动作同时发生, 又可在主句的动作之前或之后发生。如：
Mary was having dinner when I saw her .
The boy was still sleeping when his mother got home yesterday morning .
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总结
1) when可指时间点, 又可指时间段, 从句中可用延续性动词, 也可用非延续性动词。
2) while总是指一个时间段, 从句中必须用延续性动词。
练一练
1. _______ Jennifer was reading a magazine, his sister was listening to the pop music.
A. While B. When C. What time
2. I was trying to draw a cat on the board_________ the teacher came in.
A. while B. when C. what time
3. My best friend visited my house while I _______ dinner in the kitchen.
A. cooked B. cooking C. was cooking
4. ― When ______ the car ______?
― In 1885．（2007随州市）
A. did; invent B. was; invented
C. does; invent D. is; invented
5. Our teacher wants us to be ______ when we talk with the foreigners. (06大连中考真题)
A. comfortable B. unusual
C. grateful D. confident
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2. 过去进行时
1. 概念: 表示过去某一时刻或某段时间内正进行的动作。
2. 构成: was/were + 动词现在分词
3. 用法:
a: 表示某一时刻正进行的行为, 与特定的过去时间状语连用,常见的时间有: at 8 last night, at this time at that time, at that moment 等
e.g. What were you doing at 10 yesterday morning?
I was writing a letter to my father at that moment.
b: 表示过去某段时间内正进行的动作。
e.g. We were building a house last winter.
They were waiting for you yesterday.
否定句和疑问句：
e.g. We were not sleeping at home.
Was he feeling well?
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3.现在分词的构成
1) 一般动词在词尾加-ing, 如go--going。
2) 以不发音字母e结尾的动词, 先去掉e, 再加-ing。
come--coming make--making write--writing
3) 以重读闭音节结尾的动词, 如果末尾以一个
辅音字母结尾, 应先双写这个字母, 再加ing，
x和w结尾的除外。
如: get--getting swim--swimming
show--showing
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Look at the table and write sentences with both while and when.
1. While John was taking photos, Mary bought a drink.
John was taking photos when Mary bought a drink.
2. While John was playing the piano, Mary left the house.
John was playing the piano when Mary left the house.
3. While John was cleaning his room, Mary turned on the radio.
John was cleaning his room when Mary turned on the radio.
4. While John was shopping, Mary took the car to the car wash.
John was shopping when Mary took the car to the car wash.
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I. 根据汉语意思完成下列英语句子，每空一词。
1. 昨天下午五点钟你哥哥在做什么？
What ________ your brother ________ at five yesterday afternoon?
2. 昨天我回到家时，我妈妈在洗衣服。
My mother _____ ________ clothes ________ I ________ home yesterday.
3. 你做作业时，你妹妹在干什么？
What ________ your sister ________ ________ you ________ ________ your homework?
Ⅱ. 根据各题后括号内的要求完成下列各题，每空一词（含缩略形式）。
1. I was running in the park at 7:00 yesterday morning. (改为一般疑问句并作肯定回答)
—________ ________ ________ in the park at 7:00 yesterday morning?
—________, ________ ________.
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