人教版英语八年级下册Unit 5 专题课件：过去进行时.ppt

1、过去进行时过去进行时 1 含义含义：（：（概念）概念） 表示表示过过去去某某个时个时刻刻正在正在进进行行的的动动作作。 （或过去一段时间正在进行的动作）（或过去一段时间正在进行的动作） 2. 句子结构句子结构: ： be (was/were) + doing 即：即： 主语主语 + was/were + doing sth. + 时间状语时间状语 3. 时间状语词时间状语词:at 8 oclock last night/this time yesterday /at 5:00 yesterday afternoon/at that time, then 等连用等连用( 或者用或者用 另一动作来

2、表示过去的时间另一动作来表示过去的时间) 表示表示过去过去某个时刻某个时刻正在进行正在进行的动作。的动作。 例句例句： What were you doing at nine last night? 昨晚九点你正在干什么？昨晚九点你正在干什么？ I was taking a shower at nine last night. 昨晚九点我正在洗澡昨晚九点我正在洗澡. They were playing basketball at 5 oclock yesterday afternoon. 昨天下午五点他们在打篮球。昨天下午五点他们在打篮球。 ：表示在过去某一时间内正在进行的动作。：表示在过去某

3、一时间内正在进行的动作。 She was writing a letter when I came in. 我进来时，她正在写信。我进来时，她正在写信。 The barber was cutting my hair when they arrived. 他们到达时，理发师正在给我剪头发。他们到达时，理发师正在给我剪头发。 What were they doing at 10:30 Last Monday ? They were running. What were you doing at 10: 10 yesterday morning? I was going shopping. Wher

4、e was she at 9:00 yesterday? I think she was in/at She was sweeping the floor at that time. at 9:00 last night Tom What _ Tom _ at 7:30 this morning? She _ _ _ at 7:30 this morning. was doing was cooking breakfast One point What _ they _ from 8 to 9 last night? They_ from 8 to 9 last night. were doi

5、ng were talking on the phone One point What was Alice doing when I got out of the shower from the bathroom? She was playing the piano. Talk about the pictures What were they doing yesterday afternoon? 1 2 3 I was We were cooking a meal. playing volleyball. having a PE class. watching TV. working in

6、the chemistry lab. Sweeping the floor. making a model . feeding my dog. What were you doing last night? last Saturday? at ten oclock? yesterday morning? at noon yesterday? Yesterday afternoon? Pairwork: Patterns: A: What were you doing at nine oclock last Sunday morning? B: I was sleeping. How about

7、 you? A: I was doing my homework. B: You are kidding when 和和while的用法区别的用法区别 1.when 既指时间点，也可指一段时间; while只指一段时间. 2.when 说明从句的动作和主句的动作可以是同 时，也可以是先后发生； while 则强调主句的动作在从句动作的发生的过 程中或主从句两个动作同时发生。 When the UFO landed, the boy was walking down the street. =While the boy was walking down the street, the UFO l

8、anded My mother was cooking dinner while my father was watching TV. (1) “当当的时候的时候”,如后面连接的动词为进行如后面连接的动词为进行 时态时态,则用则用while多于用多于用when。而。而when通常通常 与瞬间性动词或延续性不强的动词连用。与瞬间性动词或延续性不强的动词连用。 (2) 如果如果while前后的动词都是进行时态前后的动词都是进行时态,while 可译为“与此同时”可译为“与此同时” I was reading while my brother was drawing. A: What were yo

9、u doing when the traffic accident happened? B: We were having a party. traffic accident What were they doing when the plane took off? They were swimming in the river. take off What was Alice doing when I got out of the shower from the bathroom? She was playing the piano. Exercises Choose “when” or “

10、while” to fill in the blanks. (1)I was walking in the street _ the accident happened. (2)_ you have a meeting, you should turned off your mobile phone. (3)_ you have PE class, you should wear sports shoes. (4)_ I was doing my homework, the telephone rang. (5)_ it was raining, the plane took off. (6)

11、_ the teacher was speaking to class, Nick stood up suddenly. when when when while while while 用所给动词的适当形式填空：用所给动词的适当形式填空： 1. We _ (wash) our clothes at six yesterday evening. 2. While Ann _ (talk) with her desk mate, the teacher came in. 3. Look! Mary _ (clean) the room. 4. What _ you _ (talk) about

12、just now? -We were talking about the movie. 5. They _ (move) to Paris last month. 6. He _ (read) a novel from 8 to 12 yesterday morning. 7. What _ he _ (do )at five oclock yesterday afternoon. 8. He _ (watch) TV when I came in. 9. She _ (do) her homework while her mother _ (cook). 10. He _ (wait) for me when the train arrived. Summary:Summary: 过去进行时的构成：过去进行时的构成： 1. 1.概念概念: :表示过去某个时刻或过去一段时间表示过去某个时刻或过去一段时间 正在进行的动作正在进行的动作. . 2.2.公式公式: :主语主语+was/were+doing sth +was/were+doing sth +时间时间 状语状语 3.3.指示词指示词:then, at that time, once, :then, at that time, once, 等连用等连用, ,或者用另一动作来表示过去的时间或者用另一动作来表示过去的时间. .