《九年级英语下册《Module 4 Unit 3 Language in use》 课件》由会员分享，可在线阅读，更多相关《九年级英语下册《Module 4 Unit 3 Language in use》 课件（40页珍藏版）》请在金锄头文库上搜索。
1、Unit 3Unit 3Language in useModule 4 Rules and suggestions1. To summarise and consolidate the use of modal verbs 2. To know more rules of eco-tourismObjectivesAre you familiar with these sentences? They are all from this module.1. You must be careful of falling stones.2. You mustnt walk too close to
2、the edge of the hill path because you might fall and hurt yourselves.3. You should always wear proper clothes.4. Bears might think our rubbish is food.5. Can we go rock climbing? No, you cant.6. You mustnt go off on your own.7. You may need some water.8. We should hang the food in a tree tonight.9.
3、They can smell food from a long way away.10. Bears might think our rubbish is food.11.No one can run faster in the forest than a bear.12. You mustnt make any sudden moves or make a sound. And above all, you mustnt run.1. You _ be careful of falling stones.2. You _ (not) walk too close to the edge of
4、 the hill path because you _ fall and hurt yourselves.3. You _ always wear proper clothes.4. Bears _ think our rubbish is food.5. _ we go rock climbing? No, you _(not).6. You _ (not) go off on your own.mustmustntmightshouldmightCan cantmustntgo Ready?7. You _ need some water.8. We _ hang the food in
5、 a tree tonight.9. They _ smell food from a long way away.10. Bears _ think our rubbish is food.11.No one _ run faster in the forest than a bear.12. You _ (not) make any sudden moves or make a sound. And above all, you _ (not) run.mayshouldcanmightcan mustnt mustnt情态动词本身有一定的意义，但不能独情态动词本身有一定的意义，但不能独立
6、作谓语，只能与其后的动词原形一起立作谓语，只能与其后的动词原形一起构成谓语，表示说话人的情绪、态度或构成谓语，表示说话人的情绪、态度或语气，用来表达建议、请求、可能或意语气，用来表达建议、请求、可能或意愿等。情态动词愿等。情态动词没有人称和数的变化，没有人称和数的变化，情态动词后必须跟动词原形情态动词后必须跟动词原形。常见的情。常见的情态动词有：态动词有：can, could, may, might, must, need, shall, will, should, would。情态动词情态动词Can you lift this heavy box? (体力体力) Mary can speak
7、 three languages. (知识知识) Can you skate? (技能技能) 此时可用此时可用be able to代替代替。can只有一般只有一般 现在时和一般过去式现在时和一般过去式; 而而be able to 则有则有 更多的时态。更多的时态。表示表示能力能力(体力体力, 知识知识, 技能技能), 常用情常用情态态 动词动词can和和could表达。表达。如：如：Ill not be able to come this afternoon. (一般将来时一般将来时)He was able to go to the party yesterday evening in spi
8、te of the heavy rain. 当表示当表示“经过努力才得以做成功某事经过努力才得以做成功某事”时用时用be able to, 不能用不能用can。如：。如：Can I go now? Yes, you can. / No, you cant. Could I come to see you tomorrow? Yes, you can. (No, Im afraid not.) 此时可此时可与与may互换互换。在。在疑问句疑问句中还可中还可用用could, might代替代替，但，但could, might并不表并不表示过去式，只是语气更委婉。它们不能示过去式，只是语气更委婉。它
9、们不能用于肯定句和答语中。如：用于肯定句和答语中。如：表示表示请求和允许请求和允许。如：。如：Theyve changed the timetable, so we can go by bus instead. This hall can hold 500 people at least. 表示表示客观可能性客观可能性(客观原因形成的能客观原因形成的能力力)。如：。如： Can this be true? This cant be done by him. How can this be true? 表示表示推测推测 (惊讶、怀疑、不相信的态度惊讶、怀疑、不相信的态度) ，用于疑问句、否定句和
10、感叹句中。，用于疑问句、否定句和感叹句中。Might / May I smoke in this room? No, you mustnt.May / Might I take this book out of the room? Yes, you can. (No, you cant /mustnt. ) 用用May I .？征徇对方许可征徇对方许可时比较正式和时比较正式和客气，而用客气，而用Can I .？在口语中更常见。在口语中更常见。表示表示请求和允许请求和允许。might比比may语气更委语气更委婉，而不是过去式。否定回答时可用婉，而不是过去式。否定回答时可用cant 或或mustn
11、t，表示，表示“不可以，禁止不可以，禁止”。如：。如： May you succeed! He may / might be very busy now. Your mother may / might not know the truth. 用于用于祈使句祈使句，表示，表示祝愿祝愿。如：。如：表示表示推测、可能性推测、可能性 (不用于疑问句不用于疑问句)。 might不是过去式，它所表示的可能性不是过去式，它所表示的可能性比比may小。如：小。如： You must come in time. Must we hand in our exercise books today? Yes, yo
12、u must. No, you dont have to / you neednt. 在回答引出的问句时在回答引出的问句时, 如果是否定的，不如果是否定的，不能用能用mustnt (禁止禁止, 不准不准)，而用，而用neednt, dont have to (不必不必)。表示表示命令、禁止、不得不命令、禁止、不得不。如：。如： His play isnt interesting, I really must go now. I had to work when I was your age. Youre Toms good friend, so you must know what he li
13、kes best.Your mother must be waiting for you now. must是是说话人的主观看法说话人的主观看法，而，而have to则则强调强调客观需要客观需要。must只有一般现在时，只有一般现在时，have to 有更多的时态形式。如：有更多的时态形式。如：表示表示推测、可能性推测、可能性（只用于（只用于肯定的陈述肯定的陈述句句)。如：。如： You shall fail if you dont work hard. (警告警告) He shall have the book when I finish it. (允诺允诺) He shall be pun
14、ished. (威胁威胁) shall 用于用于第二、三人称第二、三人称，表示说话人，表示说话人给对方的给对方的命令、警告、允诺或威胁命令、警告、允诺或威胁。 shall 用于用于第一人称第一人称，征求对方的意见征求对方的意见。如：如：What shall we do this evening?Will / Would you pass me the ball, please? I will never do that again. They asked him if he would go abroad.表示表示意志、愿望和决心意志、愿望和决心。如：。如：表示表示请求、建议请求、建议等，等，
15、would更委婉更委婉。如。如: During the vacation, he would visit me every other day. The wound would not heal. It would be about ten oclock when she left home. would表示表示过去反复发生的动作或某种过去反复发生的动作或某种倾向倾向。would表示过去习惯时比表示过去习惯时比used to 正正式，且没有式，且没有“现已无此习惯现已无此习惯”的含义。如：的含义。如：表示表示估计估计和和猜想猜想。如：。如： I should help her because
16、she is in trouble. You ought to take care of the baby. You should / ought to go to class right away.Should I open the window? should, ought to表示表示“应该应该”，ought to表示义务或责任，表示义务或责任，比比should语气重语气重。表示表示劝告、建议和命令劝告、建议和命令。should, ought to可通用可通用，但在疑问句中常用，但在疑问句中常用should。表示表示推测推测 should/ ought to 客观推测客观推测 must
17、主观推测主观推测 He must be home by now. (断定他已到家断定他已到家) He ought to/should be home by now. (不太肯定不太肯定) This is where the oil must be. (直爽直爽) This is where the oil ought to/should be. (含蓄含蓄)1. 你必须马上回家。你必须马上回家。 You must go home now.2. 他一定吃过什么东西了。他一定吃过什么东西了。 He must have eaten something.3. 吃饭之前不能吃零食。吃饭之前不能吃零食。
18、You mustnt eat snacks before meals.4. 我可以问你的名字吗？我可以问你的名字吗？ May I ask your name?5. 你能用英语说吗？你能用英语说吗？ Can you speak in English?6. 我们应该准时去上学。我们应该准时去上学。 We should go to school on time.7. 你没有必要那么做。你没有必要那么做。 You neednt do that.Match the signs with the rules and warning.1P30abcdef1 No smoking.2 No eating or
19、 drinking.3 Children crossing.4 Danger! Be careful of falling rocks.5 Children should be taken care of by parents.6 Do not drink and drive.Read the list of rules and write sentences using must, mustnt, should or shouldnt.2P31Possible answers:You must check in at the main gate when you come to the ce
20、ntre.You should climb with someone/ wear the correct climbing shoes/ wear comfortable clothes.You mustnt climb without a rope.You shouldnt listen to personal music players while climbing.Work in pairs. Explain why the rules in Activity 2 are important.3P31 Why must you check in when you come to the
21、centre? Because they want to know who is there.1 Why must you climb with someone?Because you can ask for help if you meet some problems.2 Why must you wear comfortable clothes?Because comfortable clothes can make you less tired.3 Why mustnt you climb without a rope?Because it is dangerous for you.4
22、Why shouldnt you listen to music while climbing?Because you can hear what is going on around you. People are very (1) _ about the conditions of the ancient forests of Canada and want to save them. Many visitors to the forests use knives to cut their names into the trees, some of which are hundreds o
23、f years old. (2) _ there are litter bins, people still throw rubbish into the (3) _ and this causes plants and fish to die. People from local villages have helped clean up the forests. We hope (4) _ will play their part in (5) _ Canadas forests clean too! although keep stream tourist worryworriedAlt
24、hough stream(s)touristskeeping4P31You should _.You shouldnt _.You must _.You mustnt _.Now write possible rules for visitors to the forests.help clean up the forest throw rubbish into the streams take your rubbish home cut your names into the trees1. Come and visit me _ you have time.2. The wall is m
25、ade of _.3. The path to the top is not very _.4. Remember to take a _ with you to sleep in, because it might rain.5. He lifted up the _ and pointed it at the bear.6. There was a _ noise in the woods and we all stopped moving.7. Birds use small _ and leaves to make a home. gun smooth sticks stone sud
26、den tent wheneverwheneverstonesmoothtent gunsuddensticks5P32Read the passage and answer the questions.6P321. What does Zhang Wenpeng try to say with his drawing?2. What does Zhou Zhiyun try to say with his painting?He tries to say that people must wake up to the fact that pollution is causing damage
27、 to the progress weve made.He tries to say that people must not waste electricity.3. What does the school suggest the students should do?4. How can a school become a “green school”？The school suggests that the students should pass on what they have learnt in school to their parents and neighbours.A
28、school can become a “green school” by including education about the environment in the timetable.Listen and complete the sentences.7P331. The first thing you have to do is to _ carefully.2. Think about where _ and whether there are _.3. You should only take marked _.4. Make sure you know where _ for
29、 lunch.5. Dont forget to tell people to _ for the people.6. dont walk when it is _ or in _.7. You must not try out a _ with a group. plan the walk you are going to walk clearly marked paths paths you can stop bring food too hot very bad weather new walk意义意义情态动词情态动词表能力表能力 can/ could表可能性表可能性 may/ migh
30、t/ can/ could表许可、征求对方许可表许可、征求对方许可 can/ could/ may/ might表请求对方做事情表请求对方做事情Will/Would/Could you?Would you mind?表建议、邀请表建议、邀请Would you like (to)?Shall we?表意愿表意愿 would like/love to表应该、义务表应该、义务 should/ ought/ must表命令、禁止、不得不表命令、禁止、不得不 must/ mustnt/ have to表没必要做某事表没必要做某事 neednt/ dont have to单项选择。单项选择。1. Stud
31、ents in our school _ knowshouting is not allowed in the library. A. can B. may C. must D. need2. You _ drive your car so fast. Its very dangerous. A. wouldnt B. shouldnt C. couldnt D. mightnt3. _ I see your ID card, sir? We have to check your information. A. May B. Must C. Should D. Need4. Where are
32、 you going this month? We _ go to Xiamen, but werenot sure. A. neednt B. must C. might D. mustnt5. Its rather hot in the room. Youd better_ the windows or the door. A. close B. not to close C. dont close D. not close 6. Wheres Tim? Im not sure. He _ in the school library. A. maybe B. must be C. may
33、be D. will be7. You made the same mistakes again. You _ be more careful next time.A. can B. may C. willD. should 8. I have my own room in my house, so I _ do what I want in it. A. can B. have to C. need to D. must9. The man in the office _ be Mr Black because he phoned me from London just now. A. mu
34、stntB. cant C. may not D. neednt 10. According to the air traffic rules, you _ turn off your mobile phone before boarding. A. could B. would C. should D. might 11. Good morning. Ive got an appointment with Dr Lee. Ah, good morning. You _ be Mrs Jones. A. might B. must C. would D. canHomework1. Finish the exercises in Learning English.2. Preview the new words and expressions in Module 5.
