1. Unit3 What were you doing when the UFO arrived?

2. A: I was standing in front of the library when the UFO arrived.

3. A: What were you doing when the UFO arrived? B: I was sleeping late in my bedroom when the UFO arrived.

4. What were you doing when the UFO arrived? I was cooking dinner in the kitchen when the UFO arrived.

5. What were you doing when the UFO arrived? I was cutting hair in the barber shop when the UFO arrived.

6. What were you doing when the UFO arrived? I was getting out of the shower from the bathroom when the UFO arrived.

7. What were you doing when the UFO arrived? Study for the test

8. What were you doing when the UFO arrived? Have a party

9. What were you doing when the UFO arrived? fish near the beach

10. What were you doing when the UFO arrived? climb the mountains

11. What were you doing when the UFO arrived? stay in the library

12. What was she doing when the UFO arrived ?

13. What were… doing when the UFO arrived ?

14. taking a bath (in the bathroom) studying English (in the classroom) taking a walk (near my house) talking with my tutor (at the street corner) climbing the mountain buying a dictionary (at the bookstore) coming to school with Peter What were you doing when the UFO arrived? eating lunch (at school) going to the library making a smoothie (in the kitchen) shouting (on the playground)

15. Exercises Yesterday morning when the UFO landed… Mr. Green Mr. Li was… MaryTony Mr. Black

16. Mr. Green yesterday morning when the UFO landed

17. Ms. Lin yesterday morning yesterday afternoon yesterday evening

18. Lucy yesterday morning yesterday afternoon yesterday evening

20. 2a Listen and order these statements [1-5]. 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. alien 外星人 buy---bought land 着陆 get---got 1 2 3 4 5

21. 2b Listen again. 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. when While 当 … 的时候

22. Reporter: So, can you tell me what you saw here today? Boy: Well, I was walking down Center Street when a UFO landed. Reporter: Where did it land? Boy: Right here. Reporter: So what happened next? Girl: An alien got out of the UFO. Reporter: What were you doing? Girl: When the alien got out of the UFO I was shopping. Reporter: Then what happened? Boy: Well! Then the alien went into a store-do you see the store over there –and bought a souvenir. Girl: Then it visited the Museum of Flight on Green Street. Reporter: So, what did you do?

23. Girl: While it was buying a souvenir, I called the police. Boy: And while it was visiting the museum, I called the TV station. Reporter: So what happened next?

24. Think and compare. The boy was walking down the street when a UFO landed.. While the boy was walking down the street, the UFO landed While the girl was shopping, the alien got out. The girl was shopping when the alien got out. I know: 1.while 当 …… 时候 ( 后面跟的动作延续, 多用进行时态 ) 2. when 当 …… 时候 ( 后面跟的动作不延续, 多用过去时态）

25. What each person was doing when the UFO landed. Make sentence with “when” and" while ” Then imagine what you were doing. A: What was the girl doing when the UFO took off? B: While the girl was… C: When the UFO took off the man was… boy girl woman policeman reporter

26. Exercises Choose “when” or “while” to fill in the blanks. (1)I was walking in the street ______ the accident happened. (2)______ I was doing my homework, the telephone rang. (3)______ it was raining, the plane took off. (4)______ the teacher was speaking to class, Nick stood up suddenly.

27. 1.We were talking________ the teacher came into the classroom. 2.I was singing _________ he was dancing. 3.________ I was cutting hair, the UFO landed. 4.The boys were playing by the river ____ Tom fell into the river. 5.My mother was washing _______ my father was cooking. 6.What were you doing ______ the UFO arrived? when when when while While while

28. Make sentences with when or while I / He was …… when/while the teacher came into the classroom. When/while I / He was …., the telephone rang.

29. Please remember Don’t touch it, While the dog is sleeping. -------- 不要惹事生非 While there is life, there is hope. －－－－生命不止，希望不灭

30. Pair work: Who Where What Peter Peter’s mother Peter’s father Peter’s brother Peter’s grandfather Where was/were_______when Miss Qiu visited? What was/were _____ doing when Miss Qiu visited?

31. 1) 过去进行时表示过去正在进行的动作, 而 一般过去时则表示一个完整的动作。如： They were writing letters to their friends last night. 昨晚他们在写信给他们的朋友。 ( 没有说 明信是否写完 ) They wrote letters to their friends last night. 他们昨晚写了信给他们的朋友。 ( 表达 了他们已写好的意思, 整个写的过程已完 成。 )

32. 2) 当动作延续较长时间时或表示厌烦、赞美等感 情色彩时, 常用过去进行时表示。如： He was thinking more of others than of himself. 他考虑别人的比考虑自己的多。 ( 表示说 话者赞扬的口气 ) The boy was always making trouble then. 那时, 他总是惹麻烦。 ( 表示说话者厌烦的口气） 3. I was getting out of the shower. 我正洗完澡出来。 “get out” 出来,get out of … 从 … 出来

33. 4. I was walking down Centre Street when a UFO landed. walk down / along 沿着 …… 走 land“ 着陆、下降 ”, 动词。 take off “ 起飞 ” e.g. The plane landed safely. 5. The girl was shopping when the alien got out. While the girl was shopping, the alien got out. when 与 while 区分：

34. (1) “ 当 … 的时候 ”, 如后面连接的动词为进行时 态, 则用 while 多于用 when 。而 when 通常与瞬 间性动词或延续性不强的动词连用。 (2) 如果 while 前后的动词都是进行时态,while 可译为 “ 与此同时 ” I was reading while my brother was drawing. (3) 当 while 前后的句子描述的情况相对或相 反,while 可译为 “ 而 ”,while 更强调并列的对比而 非转折。 e.g. I am out-going while my sister is quiet and shy.

35. 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。

36. 6. I had a very usual experience on Sunday. experience 可数名词, “ 经历 ” 。 an experience 一次经历。 7. I followed it to see where it was going, and I was very surprised when it went into a souvenir shop.

37. 8. Isn’t that amazing! 太令人惊叹了！ 这是感叹句的一种表达形式。 如 : Aren’t they perfect! 另外还有用 how 和 what 开头的感叹句。 例 : What a day I had!

38. (1) follow sb. / sth 跟随某人 ( 某事物 ), follow 及物动词,“ 跟随 ” 。 (2) be surprised“ 感到吃惊 ”, 主语为人。 e.g. He gave us a big surprise. We’re surprised to hear the news. That movie has a surprising end.