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1、Lesson 48 Unit ReviewLead inFunctions and GrammarFunctionsMaking Telephone Calls (打電話打電話)Grammar1. The Present Perfect Tense (現(xiàn)在完成時現(xiàn)在完成時)2. The Past Perfect Tense (過去完成時過去完成時)Making Telephone Calls （打電話）（打電話）1. Hello! This is Its speaking.2. Hello! May I speak to ?3. Hello! Id like to Presentation 4

2、. Hold on, please.5. Please wait a moment.6. Can I take a message for you?7. Ill ring him up again.The Present Perfect Tense (現(xiàn)在完成時現(xiàn)在完成時)1. 構(gòu)成構(gòu)成 肯定形式：助動詞肯定形式：助動詞 have/has + p.p. (過去分詞過去分詞)否定形式：否定形式：havent/hasnt + p.p. (過去分詞過去分詞)疑問形式：疑問形式：have/has提前提前 2. 用法用法 A. 表示過去發(fā)生或已經(jīng)完成的某一動作對現(xiàn)在造成的影響表示過去發(fā)生或已經(jīng)完成的某一

3、動作對現(xiàn)在造成的影響或結(jié)果。或結(jié)果。I have finished my homework. （強調(diào)現(xiàn)在可以做別的事情（強調(diào)現(xiàn)在可以做別的事情了了 ）注意：一般過去時只表示動作已結(jié)束，不強調(diào)和現(xiàn)在的聯(lián)注意：一般過去時只表示動作已結(jié)束，不強調(diào)和現(xiàn)在的聯(lián)系。系。B. 表示過去已經(jīng)開始，持續(xù)到現(xiàn)在的動作或狀態(tài)，經(jīng)常和表示過去已經(jīng)開始，持續(xù)到現(xiàn)在的動作或狀態(tài)，經(jīng)常和表示一段時間的狀語連用。標志詞組表示一段時間的狀語連用。標志詞組:for + 時間段，時間段， since + 時間點。時間點。例如：例如：She has lived in Shanghai for 20 years.她在上海已經(jīng)住了她在上

4、海已經(jīng)住了20年。年。He has taught us since last year.他自從去年就教我們。他自從去年就教我們。注意：和時間段連用時一定要用延續(xù)性動詞注意：和時間段連用時一定要用延續(xù)性動詞(短語短語)，如，如 wear， have(買買)，keep(借借)，be away, be on(上演上演)，be awake，be in等。等。The Past Perfect Tense(過去完成時過去完成時)1. 構(gòu)成構(gòu)成 肯定形式：助動詞肯定形式：助動詞 had + p.p. (過去分詞過去分詞) 否定形式：否定形式：hadnt + p.p. (過去分詞過去分詞) 疑問形式：助動詞疑

5、問形式：助動詞 had 提前提前 2. 用法用法 表示過去某一時間和動作之前已經(jīng)發(fā)生或完成了的動表示過去某一時間和動作之前已經(jīng)發(fā)生或完成了的動 作或一直持續(xù)的動作，即作或一直持續(xù)的動作，即“過去的過去過去的過去”。 標志詞組：標志詞組：by + 過去時間，過去時間，by the end of +過去時間等。過去時間等。例如：例如：By the end of last term, we had learned 600 English words.到上學(xué)期末為止，我們已經(jīng)學(xué)了到上學(xué)期末為止，我們已經(jīng)學(xué)了600個英語單詞。個英語單詞。He said he had finished his homew

6、ork.他說他已經(jīng)完成了作業(yè)。他說他已經(jīng)完成了作業(yè)。The film had already begun when we got to the cinema.當我們到電影院的時候，電影已經(jīng)開始了。當我們到電影院的時候，電影已經(jīng)開始了。I had studied English before I came here.在我到這以前，我就已經(jīng)學(xué)英語了。在我到這以前，我就已經(jīng)學(xué)英語了。Useful structures and expressions.1. by hand2. take a message for 3. take care of = look after 4. take good ca

7、re of =look after well5. turn on 6. wait for 7. connect to 8. a list of 9. hear from sb.10. at first Pair WorkSome people prefer to send letters or cards to their friends, while other people prefer to send e-mails or e-cards instead. Which do you think is better? Why?Practice. 根據(jù)句意及漢語提示補全單詞及短語根據(jù)句意及漢

8、語提示補全單詞及短語1. People do special things for mothers on _（母親節(jié)）（母親節(jié)）.2. Wang Mei _（打電話）（打電話）Li Ming for some help yesterday.3. Li Mings mother _（接聽）（接聽）the phone just now.Mothers Dayphonedanswered4. Can I take a _（口信，留言）（口信，留言）for you?5. In the accident, many people died, but still some kept _（活下來）（活下來）

9、. 6. My e-mail program made a _（聲音）（聲音）and I knew I had an E-mail. messagealivenoise. 單項選擇單項選擇1.Sarah was ill yesterday, so she _ two math lessons and one computer lesson.A. miss B. missed C. had D. have2. The _ is like a TV.A. screen B. mouse C. monitor D. keyboard 3. Everyone in our class is searc

10、hing _ the Internet _this book.A. in; at B. on; in C. on; for D. for; in4. Hello! _A. Can I take a message for you? B. This is Li Ming speaking.C. Wait a moment. D. Ill ring him up again. . 用所給單詞的適當形式填空用所給單詞的適當形式填空1. She _(study) English for five years.2. We _(plant) our seeds. Now we are watering t

11、hem.3. This is the first time I _ (be) a babysitter.4. I _(not write) my diary for a week.5. _ you ever_(think) of a new fuel for cars?has studiedhave plantedhave beenhavent writtenHave thought6. How long _ he _(teach) in the school?7. Where is Tom? He _ (go) to the library.8. I _ just _(clean) the

12、classroom. Its clean and tidy now.9. Lucy _(be) to the Summer Palace twice.10. Mr. Green _(live) in China since five years ago. has taughthas gonehave cleanedhas beenhas been livingHomework 寫作：自從有了電腦，關(guān)于它利與弊的討論寫作：自從有了電腦，關(guān)于它利與弊的討論就沒有停止過，你對此有什么看法呢就沒有停止過，你對此有什么看法呢?寫出來大家寫出來大家一起討論一下吧。一起討論一下吧。He is a fool that forgets himself.愚者忘乎所以。