内容正文:
Unit 5
Nature's Temper
金牌导学案
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Period 3 Grammar Focus(4a-4d)
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2
单元语法讲练
课堂小测
2
过去进行时
1.概念和构成
过去进行时表示在过去某一时刻或某一段时间正在进行的动作。
过去进行时的构成是:was/were+动词-ing。#1.1.2
Period 3 Grammar Focus(4a-4d)
单元语法讲练
3
句型 结构 例句
肯定句 主语+was/were+doing I was watching TV at 8 last night.
昨晚八点我正在看电视。
否定句 主语+was/were+not+doing They were not sleeping when I called.
我打电话时他们没在睡觉。
一般疑问句 Was/Were+主语+doing? Were you cooking at that time?
那个时候你正在做饭吗?
特殊疑问句 疑问词+was/were+主语+doing? What were you doing when the rain started?
开始下雨时你在做什么?
Period 3 Grammar Focus(4a-4d)
单元语法讲练
2.用法
(1)表示过去某一时刻正在进行的动作,常与表示过去特定时间的状语连用。如:at 8 yesterday,at this/that time last night,then(那时)等。
(2)表示过去某一段时间内持续进行的动作,常与表示一段时间的状语连用。如:all the morning,the whole day,from 8 to 10 last night 等。#1.2.2
Period 3 Grammar Focus(4a-4d)
单元语法讲练
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(3)用于when和while引导的时间状语从句中#1.2.3
情况 说明 例句
When+一般过去时,过去进行时 when 引导的从句表示一个短暂、突然的动作。主句用过去进行时,表示这个短暂动作发生时,正在进行的背景动作。 When the teacher came in,the students were talking loudly.
当老师进来时,学生们正在大声说话。【“进来”是短暂动作,“说话”是正在进行的背景】
Period 3 Grammar Focus(4a-4d)
单元语法讲练
6
情况 说明 例句
While+过去进行时,一般过去时 while 引导的从句表示一个持续的动作。主句的动作发生在while从句动作的过程之中。 While I was walking in the park,I saw an old friend.
当我在公园散步时,我遇见了一位老朋友。【“散步”是持续动作,“遇见”发生在其中】
续表
Period 3 Grammar Focus(4a-4d)
单元语法讲练
7
情况 说明 例句
While+过去进行时,过去进行时 描述两个过去同时持续进行的动作。 While my mother was cooking,I was doing my homework.
当我妈妈在做饭时,我正在做作业。【两个动作同时持续】
续表
Period 3 Grammar Focus(4a-4d)
单元语法讲练
一、单项选择。
1. I didn't hear the phone ring because I ________ soundly.( )
C
A.sleep B.slept
C.was sleeping D.am sleeping
2. —What were you doing at this time yesterday?
—I ________ a book about volcanoes.( )
B
A.read B.was reading
C.am reading D.will read
3. The earthquake ________ when most people ________.( )
A
A.happened; were sleeping B.happens; are sleeping
C.was happening; slept D.happened; slept
Period 3 Grammar Focus(4a-4d)
课堂小测
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4. While the teacher ________ the lesson,the fire alarm suddenly ________.( )
B
A.explained; was ringing B.was explaining; rang
C.explained; rang D.was explaining; was ringing
5. My family ________ dinner when the news about the hurricane ________.( )
D
A.had; was coming B.were having; was coming
C.had; came D.were having; came
Period 3 Grammar Focus(4a-4d)
课堂小测
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二、根据汉语意思完成句子。
1. 地震持续了大约一分钟。
The earthquake ______ ____ about one minute.
2. 你昨天这个时候在做什么?
What ______ you ______ at this time yesterday?
3. 昨天下午五点,我正在准备晚餐。
At 5 p.m.yesterday,I _____ _________ _______.
lasted
for
were
doing
was
preparing
dinner
Period 3 Grammar Focus(4a-4d)
课堂小测
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4. 开始下大雨时,他们正在操场上踢足球。
They ______ ________ football on the playground ______ it _______ ___ rain heavily.
were
playing
when
started
to
5. 当我们正在开会时,灯突然熄灭了。
The lights went out suddenly ______ we ______ _______ a meeting.
while
were
having
Period 3 Grammar Focus(4a-4d)
课堂小测
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感谢聆听
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