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4. In the past, it was a poor village. = It used to be a poor village.

5. At present, it becomes a rich city. 学科网， zxxk.fenghuangxueyi

6. Listen to the conversation between Eddie and Hobo and answer the following questions:

7. 1. Where was Hobo’s food an hour ago? 2. Who has just eaten Hobo’s food? 3. What does Hobo think of Eddie? It was in the bowl. Eddie. He thinks Eddie has changed.

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9. 1. Have you seen my food? 解析：此句用的是现在完成时的一般疑问 句。现在完成时由 “have/has + 动词过去分 词形式 ” 构成。现在完成时态主要在以下两 种情形下使用： (1) 表示过去开始并持续到现在的动作或状 态； (2) 表 示 过去已完成对现在有一定影响 的动作。

10. 否定形式为： 主语 + haven’t /hasn’t + 过去分词 疑问形式： Have/ Has + 主语 + 过去分词 … ？ 肯、否定回答： Yes, 代词 + have/has. No, 代词 + haven’t/ hasn’t. 学科网， zxxk.fenghuangxueyi

11. e.g. I’ve just eaten it. 我刚吃了它。 You’ve changed. 你变了。 She has lived here for ten years. 她在这住 10 年了。 — Have you finished your homework? 你完成家庭作业了吗？ — No, I haven’t. 不，没有完成。 ★ haven’t = have not hasn’t = has not I’ve = I have You’ve = You have

12. 2. 本课中出现的过去分词有： see — saw — seen eat — ate — eaten change — changed — changed 3. You used to share food with me! 解析： used to do sth. 过去（经常）做某事 （现在已经不做了）。 e.g. He used to do exercise in the park every morning, but now he stops because of the awful air. 他过去每天早晨在公园锻炼，但现 在因为空气质量差而停止了。

13. A: How do you usually go to school? B: … A: How did your parents go to school when they were students? B: …

14. Transport at different times 学科网， zxxk.fenghuangxueyi

15. It is a comfortable bus for carrying people over a long way.

16. It travels along a fixed route and has many stops to let people get on and off.

17. It is a car with a driver, and you have to pay the driver to take you somewhere.

18. It is fast and it is under the ground. Thousands of people go to work by it every day.

19. It runs above the ground on tracks over a long way.

20. It is the fastest way of traveling to a place far away, but it will cost you a lot of money.

21. Millie and her dad are talking about transport at different times. Listen and complete the form. DadMillie Go to schoolBy ____. Why or Why not take a bus? There were ____ ______ people and it took a _____ _____ to wait. It’s _____ and _____. bikebus too many long time easy fast

22. Work in pairs and take turns to talk about it. PastPresent go to school on foot, by bike / bus by bike / bus/ underground go around the city by busby bus / taxi / car go to other cities by coachby coach / train / plane

23. Hobo’s food ____ in the _____ an hour ago. But it isn’t there now. Why? Eddie has just _____ it because he was _______. Hobo thinks Eddie has _______ and he is not _____ now because he _____ ___ share food with Hobo. wasbowl eaten hungry changed kindusedto 一、根据课文内容填空：

24. 1. — 你看过这部新电影吗？ — 没看过。 — _____ you ______ this new film? — No, ____ ________. 2. 她过去是一名历史老师。 She _____ ____ _____ a history teacher. 3. 他们过去常常步行上学。 They ______ ___ _____ to school ___ ____. 4. 我们家乡变化很大。 My hometown ____ _________ a lot. 二、翻译句子： Have seen I haven’t used to be used to go on foot has changed

25. 1. Recite the two conversations. 2. Remember the new words and phrases by heart.

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27. Answer some questions about the conversation between Mr Chen and Millie. Model 1: Has Sunshine Town changed a lot? Yes, it has. Model 2: Have Mr Chen and his wife moved out of the town? No, they haven’t.

28. Questions: 1. Has the government built a new park? 2. Have most of Mr Chen’s old friends moved away? 3. Has it become impossible for them to see each other as often as before? Yes, it has. Yes, they have. Yes, it has.

29. The Present Perfect Tense （现在完成时） 1. We use the present perfect tense to talk about an action that started in the past and continues to the present. e.g. I have lived here since I was born. She has worked in this factory for nine years.

30. 2. We use the present perfect tense to talk about an action that happened in the past and have a connection with the present. e.g. Eddie has just eaten Hobo’s food. (Eddie ate the food, and now Hobo has nothing to eat.) I have already seen the film? (I saw the film in the past and now I still remember something about the film.) 学科网， zxxk.fenghuangxueyi

31. 3. We also use the present perfect tense to talk about how many times an action has happened till now. e.g. I have already read this book many times. Mr Chen has been to the USA twice.

32. I / You/ We / They have arrived. He / She / It has 4. We make positive statements in the present perfect tense like this:

33. 5. We make negative statements in the present perfect tense like this: I / You/ We / They have not arrived. He / She / It has have not = haven’t has not = hasn’t have not = haven’t has not = hasn’t

34. 6. We ask and answer questions using the present perfect tense like this: Have I / you/ we / they arrived? Hashe / she / it Yes, I / you/ we / they have. he / she / it has. No, I / you/ we / they haven’t. he / she / it hasn’t.

35. 7. We form the past participles of regular verbs by adding -ed, just as what we do to form the simple past tense of these verbs.

36. Most verbs +ed finish → finished Verbs ending in -e +d change → changed Verbs ending in a consonant + y -y +ied carry → carried Short verbs ending in a vowel + a consonant double the consonant +ed stop → stopped

37. 8. We form the past participles of irregular verbs differently. Here are some examples.

38. No change come → come hurt → hurt Change the vowel hold → held win → won Change the consonant lend → lent build → built Change the vowel(s) and the consonant(s) catch → caught keep → kept forget → forgotten tell → told Others be → been have → had fall → fallen fly → flown draw → drawn see → seen

39. The following shows more examples of the past participles of some verbs. visit repair live move try study fit plan visited repaired lived moved tried studied fitted planned hit put meet make sell give write think hit put metmet made sold given written thought

40. Write the past participles of the verbs below. borrow plan say hope cry grow make send hit get watch enjoy borrowed hoped made gotten planned cried sent watched said grown hit enjoyed

41. Complete the sentences below using the present perfect tense. 1. They _____________ (finish) their homework already. 2. John ____ never ______ (visit) China. 3. Mr Li ____________ (repair) over ten bicycles since Monday. 4. We ____________ (not see) each other for years. have finished has visited has repaired haven’t seen

42. 5. My parents _____________ (not come) back yet. 6. Our teacher __________ (teach) us a lot about the history of China. haven’t come has taught

43. Complete the conversation. Use the correct form of the verbs in brackets. Millie: ______ you _____ (see) any films recently, Sandy? Sandy: No, I haven’t. What about you? Millie: I _____ (see) one last Saturday. Sandy: What’s it about? Have seen saw

44. Millie: It’s about the changes in Beijing over the past century. From this film, I ____________ (learn) more about Beijing’s past and present. Sandy: Oh, I think I __________ (hear) about the film. Do you plan to see it again? Millie: Yes, I’d like to. have learnt have heard

45. 一、现在完成时的构成： 1. 现在完成时的肯定句句型： 主语 + have /has + 过去分词 … e.g. He has lived in Beijing for ten years. I have finished my homework. 2. 现在完成时的否定句句型： 主语 + have/has + not + 过去分词 … e.g. I have not seen the movie yet. He hasn’t been to Beijing since then.

46. 3. 现在完成时一般疑问句的构成： Have/ Has + 主语 + 过去分词 …? Yes, 主语 + have/ has. No, 主语 + haven’t/ hasn’t. e.g. Have you finished your homework yet? Yes, I have. / No, I haven’t. ★ haven’t = have not hasn’t = has not I’ve = I have He’s = He has

47. 二、用法：以下两种情况应用现在完成时 1. 过去发生的动作或状态一直持续到现在。 e.g. He has lived here since he came to Nanjing. 2. 过去完成的动作，但强调这个过去完成 的动作对现在有一定的影响或产生某种 结果。 e.g. I have seen that film already. (I saw it in the past and now I can still remember something about the film.)

48. ★ 一般过去时只用来表示过去发生了某 事，并不能表明对现在产生了什么影 响。 e.g. He lost his mobile phone yesterday. 他昨天丢了手机。 (We don’t know whether he has found it or not.) He has lost mobile phone already. 他已经把手机丢失了。 (He can’t use it right now.)

49. 三、判断方法： 1. 依据用法，结合句意判断。 e.g. 他在这所学校教书有三年了。 He has taught at this school for 3 years. 2. 依据一些副词或时间状语判断。 现在完成时常和 already, ever, just, never, recently, yet 等副词，以及 since, for 引导的时间状语连用。 e.g. Have they arrived yet? ★ already “ 已经 ” 常用于肯定句中， yet “ 还， 仍然，已经 ” ，常用于否定句和疑问句中。

50. 1. Review the summary on present perfect tense. 2. Finish the exercises on the workbook.