What-were-you-doing-when-the-rainstorm-came课件.ppt
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1、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. What were you doing at eight last night?I was taking a shower.What was she doing at the time
2、 of the rainstorm?She was doing her homework.读下列句子读下列句子, 你能总结出句子中包含的语法吗?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 began to rain heavily?When it began to rain, Ben was helping his mom make dinner.What was
3、Jenny doing while Linda wassleeping?While Linda was sleeping, Jenny was helping Mary with her homework.1. 基本概念基本概念 过去进行时表示在过去某一时刻或一段时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除有上下文暗示以外, 一般用时间状语来表示。一般用时间状语来表示。2. 结构结构 was / were + 动词动词-ing例如例如:A: What were you doing at eight las
4、t night? 昨晚八点你在干什么?昨晚八点你在干什么?B: I was taking a shower. 我我(当时当时)在淋浴。在淋浴。A: What was he doing when the rainstorm came? 暴风雨来的时候他在干什么?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暴风雨来的时候他在图书馆看书。图书馆看书。A: What was Jenny doing while Linda was sleeping? 琳达在睡觉的时候琳达在睡觉的时候, 珍
5、妮在做什么?珍妮在做什么?B: While Linda was sleeping, Jenny was helping Mary with her homework. 琳达在睡觉的时候琳达在睡觉的时候, 珍妮在帮助玛丽做珍妮在帮助玛丽做作业。作业。肯定式:肯定式:I/He/She/It was working.We/You/They/ were working. 否定式否定式:I/He/She/It was not working.We/You/They/ were not working. 3. 句式句式(以以work为例为例)疑问式和简略回答疑问式和简略回答:Was I working?Y
6、es, you were.No, you were not.Were you working?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:注:1) Was not 常缩略为常缩略为 wasnt; were not常缩略为常缩略为 werent。2) 一般过去时与过去进行时用法的比一般过去时与过去进行时用法的比较较: 一
7、般过去时表示在过去某个时间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发生过的动作或存在的状态, 而过去而过去进行时则表示在过去某一时刻或某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。一段时间正在进行的动作。例如例如:David wrote a letter to his friend last night. 大卫昨晚给他的朋友写了封信。大卫昨晚给他的朋友写了封信。(信写完信写完了。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。大卫昨晚一直在给他的朋友写信。(信不信不一定写完。一定
8、写完。)at five yesterday afternoonA: 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 writing?B: No, she wasnt. when和和while都可表示都可表示“当当的的时候时候”,引导时间状语从句。你知道两,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?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,然后补全请仔细观察下面的例句
9、,然后补全空格中的内容。空格中的内容。 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,而从句动作是主句的动作是持续性的,而从句动作是短暂性的,此时用短暂性的,此时用 _ 引导时间状语从引导时间状语从句,主句用句,主句用 _ 时态,从句用一般时态,从句用一般过去时态。过去时态。过去进行过去进行when While I was sleeping in the bedroom, someone knock
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