17 1a. Where were you when the UFO arrived? Look at the picture below, and givethe right statements.
18 Where were your when the UFO arrived? I was in my barber shop.I was in the kitchen.I was standing in front of the library.I was in the barber’s chair.I was in my bedroom.I was in the bathroom.
19 1b Listen to the reporter’s questions and choose the correct responses.1. A. standing in front of the libraryB. studying in the library2. A. cleaning my roomB. sleeping late3. A. making a milk shakeB. cooking dinner4. A. getting out of the showerB. talking on the phone5. A. eating lunchB. cutting hair
20 PairworkWhat were people doing when the UFO arrived?
21 What was he doing when the UFO arrived? He was playing basketball.
22 What was she doing when the UFO arrived? She was sleeping.
23 What was he doing when the UFO arrived? He was talking on the phone. 23
24 What were they doing when the UFO arrived? They were cooking dinner.
25 2a Listen and order these statements. ______ The alien visited the Museum of Flight.______ The alien bought a souvenir.______ A UFO landed on Center Street.______ The alien went into a store.______ An alien got out of the UFO.54132
26 2b Complete the following sentences with “when” or “while”. 1. The boy was walking down the street ______a UFO landed.2. The girl was shopping ______she saw the alien get out.3. ______the alien was buying a souvenir, the girl called the police.4. ______the alien was visiting the museum, the boy called the TV station.whenwhenWhileWhile
27 when and whileBoth of them mean ”当……的时候”.Are they the same?No ！！！
28 when 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。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。
29 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 students were reading while others were writing.一些学生在读书, 另一些学生在写字。
30 Fill in the blanks with while or when. 1. ______they were talking , the bell rang.正在他们谈话的时候，上课铃响了。2. I was doing my homework _____ my mother came back home yesterday evening.昨天晚上妈妈回家的时候，我正在做家庭作业。Whilewhen
31 Group work A: What was each person doing when the UFO took off? Look at the picture. Say what each person was doing when the UFO took off.Make sentence with “when” and “while”.A: What was each person doing when the UFO took off?B: While the girls was eating ice-cream, the UFO took off.C: When the UFO took off the man was taking photos.
32 过去进行时 含义： 表示过去某个时刻正在进行的动作。 结构： be (was / were) + doing 例句：What were you doing at six last night?I was doing homework at six last night.32
33 A. Fill in the blanks with the given words. 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__________.weredoingwas sleepingwere watchingis readingwriting33
34 B. Translate these sentences into English. 1. 上课铃响时，你在干什么？What ________ you ______when the class bellrang?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 o’clock _____________________________________.weredoingwas readinglast night/ yesterday eveningwas cooking34
35 were playing began came in ran away 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 playingbegancame inran away
36 was raining landed was having rang What happened 6. 飞机在伦敦着陆时, 天正下着雨。 It ___________ when the plane ________ in London.7. 电话铃响的时候, 我正在吃早饭。I ____________ breakfast when the telephone _______.8. 琳达睡觉时发生了什么事？_________________ while Linda was sleeping?was raininglandedwas havingrangWhat happened