3. Unit 3 What were you doing when the UFO arrived? Section A

5. Do you believe the UFO? What do you know about it?

8. Do you believe the exist of aliens? What do you think they look like?

13. 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. 过去进行时

14. 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__________. were doing was sleeping were watching is reading writing A. Fill in the blanks with the given words.

15. 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 o’clock __________________________________. weredoing was reading was cooking last night / yesterday evening

16. Suppose the UFO arrived in your city at ten last night. Where were you then? Let’s have a look where the others were. What were you doing then? Where were you then?

17. She was (sleeping) in her bedroom.

18. The baby was (playing) in its bathroom.

19. She was (standing) in front of the library.

20. She was (cooking) in the kitchen.

21. They were (cutting hair) in the barber shop.

22. 1a Where were you when the UFO arrived? Look at the picture below, and give the right statements.

23. Where were your when the UFO arrived? I was standing in front of the library. I was in the kitche n. I was in my barber shop. I was in the barber’s chair. I was in my bedroom. I was in the bathroom.

24. 1b Listen to the reporter’s questions and choose the correct responses. 1. A. standing in front of the library B. studying in the library 2. A. cleaning my room B. sleeping late 3. A. making a milk shake B. cooking dinner 4. A. getting out of the shower B. talking on the phone 5. A. eating lunch B. cutting hair

25. What were people doing when the UFO arrived?

26. He was playing basketball. What was he doing when the UFO arrived?

27. What was she doing when the UFO arrived? She was sleeping.

28. What was he doing when the UFO arrived? He was talking on the phone.

29. They were cooking dinner. What were they doing when the UFO arrived?

30. 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. 5 4 1 3 2

31. 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. 2b Complete the following sentences with “when” or “while”. when While

32. when and while Both of them mean ” 当 …… 的 时候 ”. Are they the same? No ！！！

33. 1. was/were ( doing)( in SP), when Ved ( 持续发生， 先发生） ( 突然发生, 后发生， 短暂性动词） 2. while was/were ( doing)( in SP), Ved ( 突然发生, 后发 生， 短暂性动词） ( 持续发生， 先发生）

34. 1.When the teacher _____(come) in, we _____ _______(talk). we ____________(talk), When the teacher _____(come) in. came were talking came were talking were

35. 1.When the teacher _____(come) in, we _____ _______(talk). we ____________(talk), When the teacher _____(come) in. 2.While Tom ___________(sleep), my brother ______(play) the CD. 3my brother ______(play) the CD, 2.While Tom ___________(sleep), came talkingwere came were talking was sleeping played was sleeping

36. ① John __________(walk) to school, when he ____(saw)a cat in a tree. ② John__________(climb) the tree,when a man_____( see) him. ③ The man __________( cut) the tree, when a woman _______(call) the police. ④ The newspaper reporter ________ (take) photos, when the cat _____(go)up the tree again. was walking saw was climbing Was cutting called was taking went saw

37. ① While John __________(walk) to school, he ____(saw)a cat in a tree. ② While John__________(climb) the tree, a man_____( see) him. ③ While the man __________( cut) the tree, a woman _______(call) the police. ④ While the newspaper reporter ________ (take) photos,the cat _____(go)up the tree again. was walking saw was climbing was cutting called was taking went saw

38. 1. I__________ (read), while my mother______ __________(cook). 2. While my mother_________ (cook), I__________ (read). 3.While my mother_________ (cook), I______ (run) in. was reading was cooking Was cooking was reading was cooking ran

39. 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。 when

40. 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。

41. 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。 While when Fill in the blanks with while or when.

42. (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 。

43. (2008· 山东中考 ) Newton was playing under an apple tree ______ an apple fell onto his head. A. when B. while C. after D. before 【解析】选 A

44. Group work 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.

45. 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，那只猫正在吃东西。 The cat _________ when I ________. were playing began eatingcame in

46. 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 raininglanded was having rang What happened