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1、 Unit 5 What were you doing when the rainstorm came? 曲沟镇一中 韩新艳 leaning Aims1：掌握下列单词和短语： take photos clean his room , buy a drink turn on the radio woke up listen to the radio right away in a bad shape luckily heavy snow2: 继续学习过去进行时 ( was/were + doing ) What were you doing at eight last night? I was
2、taking a shower 教学难点 when, while引导的时间状语从句中的过去时和过去进行时 1： take photos照相 2： clean his room 打扫他的房间buy a drink 买饮料 turn on the radio 打开收音机 woke up 醒来 listen to the radio 听 a car accident 一场车祸 right away 立刻，马上 in a bad shape luckily 幸运的 heavy snow 大雪What was he / she doing at last Sunday?9:00 am11:00 am8:
3、00 pm10:00 pmI was What were you doing at last Sunday?9:00 am11:00 am8:00 pm10:00 pmI was 1. What _ (be) you _ (do) when he arrived?2. Jim _ (sleep) when I came in.3.They _ (watch) TV at 8:00 yesterday evening.4. Now he _ (read) and _(write). were doing was sleeping were watching is reading writing.
4、 用所给词的正确形式填空用所给词的正确形式填空 What were you doing ? I was taking photos . What were you doing ? I was listening to the radio . What were you doing ? I was buying a drink . What were you doing ? What was he doing ? What was she doing ?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: wor
5、k、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 yester
6、day morning .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，常跟一般过去时。 2) while总是指一个时间段, 从句中必须用延 续性动词，常跟过去进行时。Revision: when vs. while 这两个词都有这两个词都有“当当的时候的时候”的意思。的意思。when 既可指某一点时间既可指某一点时间, 也可以指一段时间也可以指一段时间; while 强调一段时间强调一段时间, 所以从句的谓语动词常是延续性的。所以从句的谓语动词常是延续性的。当当 when表示表示“在某一段时间里在某一段时间里” 的意思时的意思时, 它可以代替
7、它可以代替while, 但但while不能代替不能代替when.e.g. When I came home, she was cooking dinner. 当我到家时当我到家时, 她正在做饭。她正在做饭。When you hang wet clothes near a fire, you will see steam rising from them.当你把湿衣服挂在火边时当你把湿衣服挂在火边时, 你会看到水汽从衣服上升起。你会看到水汽从衣服上升起。Revision: when vs. while 这两个词都有这两个词都有“当当的时候的时候”的意思。的意思。when 既可指某一点时间既可指某
8、一点时间, 也可以指一段时间也可以指一段时间; while 强调一段时间强调一段时间, 所以从句的谓语动词常是延续性的。所以从句的谓语动词常是延续性的。当当 when表示表示“在某一段时间里在某一段时间里” 的意思时的意思时, 它可以代替它可以代替while, 但但while不能代替不能代替when.e.g. When I came home, she was cooking dinner. 当我到家时当我到家时, 她正在做饭。她正在做饭。When you hang wet clothes near a fire, you will see steam rising from them.当你把
9、湿衣服挂在火边时当你把湿衣服挂在火边时, 你会看到水汽从衣服上升起。你会看到水汽从衣服上升起。 与过去进行时连用的时间状语，常见的有 at nine last night/at that time=then/at this time yesterday/或有when the teacher came in/ while he was reading的提示 过去进行时的构成：waswere +现在分词 【2013浙江杭州】Sally took a photo of her friends while they _ computer games. A. play B. are playing C.
10、 have played D. were playing 【2013黑龙江绥化】My uncle _ books in the room at this time yesterday. A. was seeing B. is reading C. was reading 【2013黑龙江齐齐哈尔3】What _ you _ when the captain came in? A. are; doing B. did; do C. were; doingDCC1. What _ (be) you _ (do) when he arrived?2. Jim _ (sleep) when I cam
11、e in.3.They _ (watch) TV at 8:00 yesterday evening.4. Now he _ (read) and _(write). were doing was sleeping were watching is reading writing. 用所给词的正确形式填空用所给词的正确形式填空5. Mother _ (wash) clothes when I _ (get) home from school yesterday afternoon.6. Look, my sister _ (be) there in the barber shop. The barber _ (cut) her hair.7. -When _ you _ (see) the accident?-I _ (see) it fifteen minutes ago.was washinggotisis cuttingdidseesaw
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