Module 8 Unit 1 課件2.ppt

1、Module 8 Accidents,Unit 1 While the lights were changing to red, a car suddenly appeared.,1. While the lights were changing to red, a car suddenly appeared round the corner. 2. When I was waiting to cross the road, the accident happened.,Listen and mark when the speaker pauses.,/,/,Now listen again

2、and repeat.,1. While the lights were changing to red, a car suddenly appeared round the corner. 2. When I was waiting to cross the road, the accident happened.,/,/,Work in groups of four.,Student A: Youre a policeman at an accident scene in the street. Ask people questions. Student B, C and D: You s

3、aw the accident. Answer the policemans questions.,A: What were you doing when the accident happened? B: When the accident happened, I was walking along the street. C: When the accident happened, D: ,過去進(jìn)行時(shí) 1. 定義： 表示過去某一具體時(shí)間正在發(fā)生的動(dòng)作。 2. 時(shí)間標(biāo)志： at yesterday morning at that time from nine to ten last even

4、ing when, while, as,Grammer,e.g. We were watching TV from six to nine last night. What was he researching all day last Sunday?,3. 過去進(jìn)行時(shí)還可以和when, while, as引導(dǎo)的過去時(shí)間狀語從句連用，形成復(fù)合句。,e.g. While the lights were changing to red, a car suddenly appeared round the corner. 正當(dāng)交通信號(hào)燈要變成紅燈的時(shí)候，一輛小轎車突然從拐角處駛出來。,One day

5、, when Henry was working in a restaurant, a snake suddenly appeared. 一天，當(dāng)亨利正在餐館里工作時(shí)，一條蛇突然鉆了出來。 I was trying to pick it up when it bit me again. 我正試圖撿起（那條蛇），突然它又咬了我一口。 As the doctors were checking him, the pain got worse. 醫(yī)生給他做檢查時(shí)，疼痛加劇了。,when，while，as都可以引導(dǎo)時(shí)間狀語從句，但用法區(qū)別非常大。,一、when可以和延續(xù)性動(dòng)詞連用，也可以和短暫性動(dòng)詞連用

6、；而while和as只能和延續(xù)性動(dòng)詞連用。 e.g. They arrived while we were having dinner. = They arrived when we were having dinner. 我們吃飯的時(shí)候他們到了。,二、由when引導(dǎo)的時(shí)間狀語從句，如果主句是過去進(jìn)行時(shí)，從句應(yīng)該用一般過去時(shí)，表示一個(gè)動(dòng)作正在進(jìn)行的時(shí)候另一個(gè)動(dòng)作突然發(fā)生了，強(qiáng)調(diào)后一動(dòng)作發(fā)生的突然性。 e.g. We were talking when the teacher came in. 我們正在講話，老師（突然）進(jìn) 來了。,三、當(dāng)主句和從句的動(dòng)作都是延續(xù)的或同時(shí)發(fā)生的，兩句都用過去進(jìn)行時(shí)

7、的時(shí)候，多用while引導(dǎo)。 e.g. They were singing while were dancing. 他們?cè)诔?，我們?cè)谔琛?重點(diǎn)短語： in time fall off pay attention side by side 語法： 過去進(jìn)行時(shí),本課小結(jié)：,1. Safety comes first. We should _ to keep safe on the road. obey the traffic (交通) rules be careful of passing cars and buses run fast after others not read the me

8、ssages on our mobile phones play basketball with our friends A. B. C. ,A,練一練,2. I _ a meal when you _ me. A. cooked, were ringing B. was cooking, were ringing C. was cooking, rang D. cooked, rang,C,3. They _ a football game from 7 to 9 last night. A. were watching B. watch C. watched D. are watching 4. Would the driver see him _? A. on time B. in time C. for time 5. The old man _ the ladder yesterday afternoon. A. fell off B. fell down C. fell of D. fel