八下 U5 Section A-2

1、Unit 5,Section A Period 2 (3a-4c),3a,Read the passage and answer the questions.,1. What was the weather like before the heavy rain started?,Strong winds were blowing, and black clouds were making the sky very dark.,2. What was the neighborhood like after the storm?,The neighborhood was in a mess. Th

2、ere were fallen trees, broken windows and rubbish everywhere.,Complete the sentences using information from the passage.,3b,1. When the news on TV was reported, strong winds _ outside. 2. While Bens mom was making sure the radio was working, his dad _ _.,were blowing,was putting pieces of wood over

3、the windows,3. Ben _ when the heavy rain finally started. 4. When Ben _ at 3:00 a.m, the wind _.,was helping his mom make dinner,fell asleep,was dying down,3c,Discuss the questions with a partner.,“Although the storm broke many things apart, it brought families and neighbors closer together.” What o

4、ther things can bring people closer together? How can we help each other in times of difficulty?,4a,Look at the table and write sentences with both while and when.,While John was taking photos, Mary bought a drink. John was taking photos when Mary bought a drink.,While John was playing the piano, Ma

5、ry left the house. / John was playing the piano when Mary left the house.,While John 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 Mary took the car to

6、the car wash.,4b,Fill in the blanks with was, were, when or while.,At 7:00 a.m., I work up. _ I _ making 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 p

7、lace of the accident, the car _,while,was,was,while,When,was,in bad shape from hitting a tree. But luckily, the driver _ fine. The roads _ icy because of the heavy snow from the night before.,was,were,when and while,Both of them mean ”当的时候”.,Are they the same? No ！,when引导的时间状语从句可以表示一个时间点,也可以表示一个时间段。

8、从句中可以用短暂性动词,也可以用延续性动词。 It was snowing when we got to the airport. 我们到达机场时, 天正下着雪。 My key dropped on the ground when I was walking in the park. 我在公园散步时, 钥匙掉在了地上。,when,while,while引导的时间状语从句常指一个时间段,从句中的动词常为延续性的。while有时还可表示主句的动作与从句的动作同时发生。 While he was reading, the phone rang. 他正在看书时, 电话铃响了。 Some student

9、s were reading while others were writing. 一些学生在读书, 另一些学生在写字。,(2009四川泸州) What were you doing _ Zhang Fan came in? A. when B. while C. where 【解析】三个选项分别意为“当时”、“与同时”、“哪里”，结合题意“当张凡进来时，你正在做什么？”可排除B、C二项，故选A。,4c,What were you doing at these times last Sunday? Fill in the chart. Then ask your partner.,. 用所给词

10、的适当形式填空 1. I _ (help) my mother with housework at ten oclock last Sunday. 2. The girl _ (have) a piano lesson at this time yesterday.,过去进行时的用法,was helping,was having,3. They _ (talk) about the film when the teacher came in. 4. While he _ (wait) for the bus, he read a newspaper. 5. He said he was _ (

11、leave) for Shanghai soon.,were talking,was waiting,leaving,（一）含义及构成 过去进行时表示过去某一时刻或某一段时间正在进行或发生的动作，其结构为：was / were + v. ing。,过去进行时,（二）用法 1. 表示过去某一时刻或某一段时间正在进行或发生的动作。与过去某一特定的时间状语连用，常见的有：at 3 oclock yesterday afternoon, in those days, at this time yesterday等。 2. 表示过去一个动作发生时，另一个动作正在进行，持续时间长的动作用过去进行时，常用在

12、while引导的时间状语从句中。,3. 过去进行时的特殊用法。 与go, come, leave, start等瞬间动词连用时，过去进行时表示过去将要进行的动作。,. 句型转换 1. Kate was drawing pictures when her mother came back. （改为否定句） Kate _ _ pictures when her mother came back. 2. She was babysitting her sister at this time yesterday. （改为一般疑问句） _ she _ her sister at this time ye

13、sterday?,wasnt drawing,Was babysitting,3. They were having a party when I knocked at the door. （就划线部分提问） _ _ they _ when you knocked at the door?,What were doing,（1）过去进行时的否定句结构为：was / were+ not +v. -ing was与not常缩写为wasnt，were与not常缩写为werent。 （2）过去进行时的一般疑问句结构为：Was / Were +主语+ v. -ing+其他？ （3）过去进行时的特殊疑问句

14、结构为：疑问词+ was / were+主语+v. -ing+其他？,. 用when或while填空 1. What were you doing _ the earthquake happened? 2. _ I was shopping in the supermarket, I met my friend Nancy.,when,While,3. I was sleeping _ my cousin came to see me. 4. My mother was doing the housework _ I was doing my homework. 5. _ the alien

15、was in the shop, the girl called the police.,when,while,While,1. 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，这些动词既可表示动作，又可表示状态。从句中的动作既可与主句的动作同时发生，又可在主句的动作之前或之后发生。,when和while引导的时间状语从句,2. while表示“在的时候”、“在期间”。它强调主句的动作与从句的动作同时发生或主句的动作发生在从句的动作过程中。while从句中的动词必须是表示动作或状态的延续性动词。,1. What _ (be) you _ (do) when he arri

16、ved? 2. Jim_ (sleep) when I came in. 3. They _ (watch) TV at 8:00 yesterday evening. 4. Now he _ (read) and _.,were,doing,was sleeping,were watching,is reading,writing,A. Fill in the blanks with the given words.,B. Translate these sentences into English.,1. 上课铃响时，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。 I _when my mother came in. 3. 昨天晚上十点钟她正在做饭。 She _ at ten oclock _.,were,doing,was reading,was cooking,last night / yesterday evening,4. 当天开始下雨时, 孩子们正在玩游戏。 The children _ games when it _ to rain. 5. 当我进来时，那只猫逃跑了。 The cat _ when I _.,were play