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1、12Unit 3 Language in use祈使句結(jié)構(gòu)如下：祈使句結(jié)構(gòu)如下： (Please) + do sth. (Please) + Dont do sth.肯定：肯定：否定：否定：DO，可以放在動(dòng)詞前，為加強(qiáng)語氣用。，可以放在動(dòng)詞前，為加強(qiáng)語氣用。如：如：Do come in, please! Do listen to me, please! Do open the door, please!一、我們已經(jīng)學(xué)習(xí)的表推測的情態(tài)動(dòng)詞有：一、我們已經(jīng)學(xué)習(xí)的表推測的情態(tài)動(dòng)詞有： must/can/could/may/might二、表推測的三種句式：二、表推測的三種句式：1. 在在肯定句中肯定句

2、中一般用一般用must，can/could，may/might，程度逐漸減弱。程度逐漸減弱。 e.g. He must/may/might know the answer to this question. e.g. You have worked all this week. You must be tired.2. 在在否定句否定句中用中用cant/couldnt (不可能不可能)，may not/ might not(可可能不能不)。 e.g. It cant /couldnt be the headmaster. He has gone to America.e.g. He may n

3、ot/might not know the scientist.3. 在在疑問句疑問句中，一般只使用中，一般只使用can/could。e.g. Could he have finished the task?e.g. Can he be at home now?Language practice That could be harmful!Betty, you must know!Stay away from windows and heavy furniture.Do not stand near street lights or under power lines.1. It is dan

4、gerous. You _keep out!2. These stairs are not safe. You _use them.3. The rocks are falling down. You _get hit.4. The river is too deep. You _swim in it.5. Betty _know what to do , because she did some basic medical training.1 Complete the sentences with could, must or mustnt.mustmustntcouldmustntmus

5、t 2 Underline the correct words to complete the first aid instructions. 1 Get / Do not get medical help immediately. 2 Ask / Do not ask them where the pain is. 3 Lift / Do not lift them because you may drop them. 4 Keep / Do not keep them warm.3 Complete the poster about earthquake with the correct

6、form of the words and expressions in the box.do not use hide under keep leave stay away1 _from the windows.2 _a table.3 _the lift.4 _the building quickly when the ground stops shaking.5 _calm.When there is an earthquakeStay awayHide underDo not useLeaveKeep4 Complete the conversation with the words

7、and expressions in the box.Tony: Daming is training hard for the big match.Lingling: Yes, the team has a good (1) _ this year.Tony: Oh no, Damings (2)_. Hes down!Lingling: It looks like hes (3) _Tony: Daming, what happened?chance Cover in pain in trouble medical chance in troublein painDaming: Its m

8、y leg.Lingling: (4) _him with my coat.Tony: But dont move him. Lets wait for someone with (5) _training.Lingling: Ok. Cover medical 5 Complete the news report with the correct form of the words in the box. clear inside power rock trouble warn Information is coming in that there could be (1)_because

9、of heavy rain in the north. The government is (2)_people about falling (3)_. Some roads have a lot of rocks on them, but people are trying to (4) _them quickly. In some places there is no(5)_.And people must stay (6)_to keep away from falling rocks. troublewarning rocks clear power insideNow read th

10、e report again and check () the true sentences.1 There are problems everywhere because of rain.2 The government is warning people about an earthquake. 3 Some roads in the mountains have a lot of rocks on them. 4 People are trying to clear the rocks off the roads.5 There is no problem with power.7 Re

11、ad the passage and choose the correct answer. A ten-year-old girl saved about one hundred other tourists in 2004 by warning them that a tsunami, a huge ocean wave, was on its way across the sea. She knew what was happening because she learnt about underwater earthquake at school only a few weeks ear

12、lier, a newspaper reported. “ I was on the beach and the water started to go funny,” Tilly Smith told the reporter from the newspaper. “There were bubbles and the water went back suddenly. I knew there was going to be a tsunami. I told Mum,” she said. Tillys mother and the hotel workers acted quickl

13、y. They cleared people from the beach just minutes before a huge wave reached the land. Luckily, no one died. 1 What is the best title for this passage? a) 2004 Asian tsunami. b) A girl saves tourists from tsunami. c) Underwater earthquakes2 What did Tilly notice? a) Water coming to the beach. b) Pe

14、ople watching the water. c) Bubbles in the water.3 What does her teacher think of Tilly? a) She is lucky. b) She does not do silly things. c) She is a clever student.Module task: Making a poster about preventing accidents at school8 Make a list of accidents that can happen at school.School accidents

15、How whereHurting hands/ knees/legsRunning fast/ playing footballPlayground Hitting your headClimbing a treeGarden 9 Work in groups. Choose an accident from the list in Activity 8 and give instructions about what to do.FirstSecondThirdWhen there is School accident10 Make a poster about preventing acc

16、idents at school using must / mustnt. Then Present your poster to the class.1.A ten-year-old girl saved about one hundred other tourists in 2004 by warning them that a tsunami, a huge ocean wave, was on its way across the sea. 1) A ten-year-old girl “一個(gè)十歲的女孩一個(gè)十歲的女孩” 基數(shù)詞基數(shù)詞 + year (注意單數(shù)注意單數(shù)) + old 用作

17、形容詞用作形容詞 表示表示 “多大年齡的多大年齡的”e.g. She has a eight- year- old brother. Language points2) warn sb. that意為意為“提醒提醒/警告某人注意警告某人注意 如：如：I was going for a swim in the sea. The people in the hotel warned me that it may rainIn a few minutes.我要去海里游泳，賓館里的人提醒我可能過會(huì)我要去海里游泳，賓館里的人提醒我可能過會(huì)要下雨。要下雨。3) on its way 在路上，在途中在路上，

18、在途中 She did a bit of shopping on the way home. 她在回家的路上買點(diǎn)東西。她在回家的路上買點(diǎn)東西。 2. Tillys teacher was very proud of her be proud of sb. 為某人感到自豪為某人感到自豪 e.g. I just want you to be proud of me, honey. 我只是想讓你為我自豪我只是想讓你為我自豪,親愛的。親愛的。 If he becomes a doctor when he grows up, his parents will be proud of him. 如果他長大

19、后成了醫(yī)生如果他長大后成了醫(yī)生,他的父母會(huì)以他他的父母會(huì)以他 為榮的。為榮的。Exercises 1. -Is this Lan Qiangs boxing glove? -Yes, it _ be his. This is his name on the back.2. Youd better take an umbrella. It _ rain this afternoon.3. Its the library! So you _ know shouting is not allowed here.4. -Have you decided where to spend your summ

20、er holiday? -Not yet. We _ go to Qingdao.mustmay/might/couldmustmay5. -Is Jessica giving us a speech this evening? -No, it _ be her. She has been to Japan.6. -What will the weather be like tomorrow? -It _ be rainy, cloudy or sunny. Who knows?7. You _ be tired after playing sports for a long time wit

21、hout a rest. 8. -Can I tell Peter about the news? -No, I dont want anyone else to know it. You _ keep it to yourself.mightmustmustmust 1. That man must be Sarahs husband.-No, he_ be her husband. She is still single.A. cant B. mustnt C. may not D. ought to2. Peter _come with us tonight, but he isnt v

22、ery sure.A. must B. may C. can D. will選擇題AB4. What_ it be?-It_ be a mail box, for it is moving. It_ be a car.A. can; cant; must B. can; can; mustC. can; mustnt; must D. must; mustnt; can5. Look, someone is coming. Guess_ .-Jack. Hes always on time.A. who can it be B. who he mayC. who he can be D. wh

23、o it can beAD6. I saw Mary in the library yesterday.-You_ her. She is still abroad.A. mustnt see B. cant have seen C. mustnt have seen D. couldnt see7. David, you _play with the valuable bottle, you_ break it.A. wont; cant B. mustnt; mayC. shouldnt; must D. cant; shouldntDBHomework Talk with your classmates about the knowledge of how to survive or protect yourself in an accident. Then try to make a role play.