八年级英语上册 Unit 3 What were you doing when the rainstrom came?SectionA Grannar Focus-4c精品课件 .ppt
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1、Section A Grammar focus - 4c,Unit 3 What were you doing when the rainstorm came?,When I ,He was doing ,When I called him up, he was sleeping.,Make up the sentences.,While I ,He was doing ,While I walked to school, he was eating.,When I ,He was doing ,When I read the newspaper, he was watching TV.,Wh
2、at 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.,Grammar Focus,读下列句子, 你能总结出句子中包含的语法吗?,What was he doing when the rainstorm came? He was reading in the library when the rainstorm came.,What was Ben doing when it
3、 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.,1. 基本概念 过去进行时表示在过去某一时刻或一段时间内正在进行的动作。这一特定的过去时间除有上下文暗示以外, 一般用时间状语来表示。 2. 结构 was / were + 动词-ing,过去进行时,例
4、如: A: What were you doing at eight last night? 昨晚八点你在干什么? B: I was taking a shower. 我(当时)在淋浴。 A: What was he doing when the rainstorm came? 暴风雨来的时候他在干什么? B: He was reading in the library when the rainstorm came. 暴风雨来的时候他在图书馆看书。,A: What was Jenny doing while Linda was sleeping? 琳达在睡觉的时候, 珍妮在做什么? B: W
5、hile Linda was sleeping, Jenny was helping Mary with her homework. 琳达在睡觉的时候, 珍妮在帮助玛丽做作业。,肯定式: I/He/She/It was working. We/You/They/ were working. 否定式: I/He/She/It was not working. We/You/They/ were not working.,3. 句式(以work为例),疑问式和简略回答: Was I working? Yes, you were. No, you were not. Were you working
6、? Yes, I was. No, I was not.,Was he/she/it working? Yes, he/she/it was. No, he/she/it was not. Were we/you/they working? Yes, you/we/they were. No, you/we/they were not.,注: 1) Was not 常缩略为 wasnt; were not常缩略为 werent。 2) 一般过去时与过去进行时用法的比较: 一般过去时表示在过去某个时间发生过的动作或存在的状态, 而过去进行时则表示在过去某一时刻或某一段时间正在进行的动作。,例如:
7、 David wrote a letter to his friend last night. 大卫昨晚给他的朋友写了封信。(信写完了。) David was writing a letter to his friend last night. 大卫昨晚一直在给他的朋友写信。(信不一定写完。),at five yesterday afternoon,A: What was the boy doing at table at five yesterday afternoon? B: He was speaking with a girl. A: Was the girl at the table
8、 writing? B: No, she wasnt.,when和while都可表示“当的时候”,引导时间状语从句。你知道两者在过去进行时中的用法有什么不同吗? 请仔细观察下面的例句,然后补全空格中的内容。,过去进行时中的 when 和 while, I was walking to school when I saw a cat in a tree. When Sally arrived home, her mother was cleaning the house. 主句的动作是持续性的,而从句动作是 短暂性的,此时用 _ 引导时间状语从 句,主句用 _ 时态,从句用一般 过去时态。,过去
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