人教版英语八下Unit5Section A(Grammar focus-4c) 课件(共33张PPT).ppt

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1、Unit 5 What were you doing when the rainstorm came? Grammar Focus - 4c Review A: What _ you _ at the time of the rainstorm? B: I _ _ (wait) for the bus. A: What about you? C: I _ _ (look) for my schoolbag. D: I _ _ (help) my mom in the kitchen. A: What were your parents doing? B: They _ _ (sleep). w

2、ere doing was waiting was looking was helping were sleeping (过去进行时态(过去进行时态What疑问句及答语)疑问句及答语) 20:00 What were they doing at eight last night? They were watching TV. 20:00 What was he doing at eight last night? He was doing his homework. 20:00 What was she doing at eight last night? She was playing co

3、mputer games. Lucy 20:00 What was Lucy doing at eight last night? She was listening to music. (过去进行时态时间状语)(过去进行时态时间状语) 1. I _ (have) my breakfast at half past six yesterday morning. 2.Mary _ (go) over her lessons from six to seven last night. 3.What _ you _ (do) at that time? 4._ they _ (have) a mee

4、ting at 4:00 yesterday afternoon? 5.When he knocked at the door, my aunt _ (cook) 6.While mother _ (watch) TV, Tom came in. Fill in the blanks and find the important words. was having was going were doing were having was cooking was watching 过去进行时态 结构:_ was用于_, were用于_和_ 时间状语:_ _ _ _ was / were doin

5、g 单数主语单数主语 复数主语复数主语 you at 点钟点钟 /yesterday/last night at that time/at the time of when + 过去时态的句子过去时态的句子 表示在表示在过去某一时刻过去某一时刻或或某一段时间某一段时间正在进行正在进行的动作。的动作。 while + 过去进行时态的句子过去进行时态的句子 1.肯定句:肯定句:S + was/were + doing + . 过去进行时句式结构 2.否定句:否定句: S + was/were + not + doing + . 3.一般疑问句:一般疑问句:Was/Were + S + doing

6、+ ? 4.特殊疑问句:特殊疑问句:What /Where/Why/How 等疑问词等疑问词 +was/were+主语主语+V-ing (其他)?其他)? We werent having an English class at this time last Monday. We were having an English class at this time last Monday. Were you having an English class at this time last Monday? What were you doing at this time last Monday?

7、 过去进行时句式结构 练习 1.I was singing songs yesterday morning. 否定句:_ 疑问句:_ 2.They werent drawing pictures at 7 P.m yesterday. 肯定句:_ 疑问句:_ 3.She was washing the window at that time. 疑问句:_ I wasnt singing songs yesterday morning. Were you singing songs yesterday morning? They were drawing pictures at 7 P.m ye

8、sterday. Were they drawing pictures at 7 P.m yesterday? What was she doing at that time? Grammar Focus He was reading in the library when the rainstorm came. When it began to rain, Ben was helping his mom make dinner. While Linda was sleeping, Jenny was helping Mary with her homework. Mary bought a

9、drink while John was taking photos. 看一看看一看 区分区分 when 与与while 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前后的动词都是进行时 态态,while可译为“与此同时”可译为“与此同时” I was reading while my brother was drawing. (3) 当当while前后的句子描述的情况相对

10、或相前后的句子描述的情况相对或相 反反,while可译为“然而”可译为“然而” e.g. I am outgoing while my sister is quiet and shy. 总之,when表示做某种动作的时间或瞬间,由 其引导的时间状语的时态如果是一般过去时, 其主句通常要用过去进行时。while表示略长 的一段时间,由其引导的时间状语从句用过去 进行时,而主句时态根据实际情况而定。 Exercises Fill with “While” or “When” 1._ May was talking on the phone, her sister walked in. 2._ Ri

11、ta bought her new dog, it was wearing a little coat. 3._ I saw Mike, he was wearing a green shirt. 4._ I was dancing, he was singing loudly. 5. _ Linda finally saw Dave , he was jumping with a dog . 6. I was cleaning my room _ he came in. When While While When When when Fill in the blanks with “whil

12、e” and “when”. 1. Tom was eating supper, it began to rain outside. 2. What were you doing, Mr. Zhou came in? 3. Peter was sleeping, a thief broke into his house. 4. She left her hometown she was five. when when While While 3.when引导的时间状语从句中的动词可以是终止引导的时间状语从句中的动词可以是终止 性动词,也可以是延续性动词,性动词,也可以是延续性动词,而而whil

13、e从句中的从句中的 动词必须是延续性动词。动词必须是延续性动词。 When and while 2.when 说明从句的动作和主句的动作可以是说明从句的动作和主句的动作可以是同同 时时,也可以是,也可以是先后发生先后发生;while 则强调主句的动则强调主句的动 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 同时发生同时发生。 1.由由when引导的时间状语从句,引导的时间状语从句,从句应用一般过去从句应用一般过去 时时,主句用过去进行时主句用过去进行时;while 从句从句用过去进行时用过去进行时,主句主句 用一般过去时,当强调主句从句动作同时在发生时

14、,用一般过去时,当强调主句从句动作同时在发生时, 多用多用while. 听一听听一听 总结总结 1) when可指时间点可指时间点, 又可指时间段又可指时间段, 从句中从句中 可用可用延续性动词延续性动词, 也可用也可用非延续性动词。非延续性动词。 2) while总是指一个时间段总是指一个时间段, 从句中从句中必须用延必须用延 续性动词续性动词。 说一说 John Mary take photos buy a drink play the piano leave the house clean his room turn on the radio shop take the car to t

15、he car wash While John was taking photos, Mary bought a drink. John was taking photos when Mary bought a drink. Look at the table and write sentences with both while and when. e.g. While John was playing the piano, Mary left the house. John was playing the piano when Mary left the house. While John

16、was cleaning his room, Mary turned on the radio. John was cleaning his room when Mary turned on the radio. While John was shopping, Mary took the car to the car wash. John was shopping when took the car to the car wash. Fill in the blanks with was, were, when or while. At 7:00 a.m., I woke up. _I _m

17、aking my breakfast, my brother_ listening to the radio. _I was eating, the radio news talked about a car accident near our home. My brother and I went out right away to have a look. _we got to the place of the accident, the car _ in bad shape from hitting a tree. But luckily, the driver _fine. The r

18、oads _ icy because of the heavy snow from the night before. While was was While When was was were 4b 1. _ Jennifer was reading a magazine, his sister was listening to the pop music. A. While B. When C. What time 2. I was trying to draw a cat on the board _ the teacher came in. A. while B. when C. wh

19、at time 3. My best friend visited my house while I _ dinner in the kitchen. A. cooked B. cooking C. was cooking 练一练练一练 A B C 4. When _ the car _? In 1885 A. did; invent B. was; invented C. does; invent D. is; invented 5. Our teacher wants us to be _ when we talk with the foreigners. A. comfortable B

20、. unusual C. grateful D. confident B D Work in groups, make a survey. time you Lucy Lily 9:00 a.m. sleeping playing games eating breakfast 11:30 a.m. 4:00 p.m. 9:00 p.m. A: What were you doing at last Sunday morning? B: I was _. C: I was _. Report like this: At 9:00 last Sunday morning, I was _, Luc

21、y was _, Lily was _. At 11:30 , I 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 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) cloth

22、es 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 washing got is is cutting did see saw 练习 用所给词适当形式填空用所给词适当形式填空: 1.I saw him in the libra

23、ry yesterday.He _ (read) a book at that moment. 2.Millie _ (draw) a picture when Mr. Green came in. 3.Mike and I _(play) basketball at that time yesterday afternoon. 4.They _(do) their homework at eight last night. 5.I _ (wait) for the bus at the bus stop when the rainstorm came. was reading was dra

24、wing were playing were doing was waiting Translate these sentences. 1. 上课铃响时上课铃响时, 你在干什么你在干什么? What _ you _ when the class bell rang? 2. 当我妈妈进来时我正在看书当我妈妈进来时我正在看书. I _ _ when my mother came in. 3. 昨天晚上十点钟她正在做饭昨天晚上十点钟她正在做饭. She _ _ at ten oclock _ _. were doing was reading was cooking last night 4.当飞机起飞的时候当飞机起飞的时候, 天正下着大雪。天正下着大雪。 It _heavily when the plane _. 5. 瞧瞧, 孩子们正在追逐一只小猫。孩子们正在追逐一只小猫。 Look! The children _ a small cat. 6.我女儿正在写信时我女儿正在写信时, 其他的孩子都在外面玩耍。其他的孩子都在外面玩耍。 My daughter was writing a letter _ the other children _ outside. took off were playing was snowing are chasing after while

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