1、情態動詞教學目標：1.通過復習鞏固對常見情態動詞的掌握 2.掌握情態動詞的三個特征 3.掌握情態動詞問答基本公式 4.辨析部分情態動詞用法教學重點：常見情態動詞的特征、用法和問答基本公式教學難點：情態動詞用法辨析一、課前預習： 要求學生復習有關情態動詞的知識點中考零距離P83-84二、課堂活動：I. 常見情態動詞：情態動詞本身有一定的意義，但不能獨立作謂語，只能和主要動詞一起構成謂語動詞。表示說話人的語氣和情感。常見的情態動詞有：can (could) , may (might), shall (should), will (would), dare (dared) must , need,

2、have to , had better , ought to, II. 情態動詞的三個特征：1. 情態動詞和動詞原形一起構成謂語。2. 直接構成否定句、疑問句3. 只有時態變化，沒有人稱和數的變化。III. 情態動詞問答基本公式：1. A. Can I ? B: Yes, you can. No, you cant.2. A: May I? B: Yes, you may. No, you mustnt/cant/may not.3. A: Must I? B: Yes, you must./Im afraid you must. No, you neednt/dont have to.4.

3、 A: Need I? B: Yes, you must. No, you neednt.Ex:1. A: Must I get up early tomorrow, Dad? B: No, you _. Tomorrow is Sunday.A. mustn't B. can't C. needn't D. couldnt2. A: _ I have some chocolates now? B: No, you _. Its time for bed. You can have some tomorrow. A. May, mustnt B. Must, needn

4、t C. Must, mustnt D. May, neednt 3. A: _ you play basketball? B: No, I _. A. Can, may B. Can, cant C. May, cant D. Can, can4. A: _ I take it out? B: I'm sorry, you _. A. Could .couldn't B. Might.might not C. Could.can D. May.can't5.A: _ I take the newspaper away? B: No, you mustn't.

5、You_ read it only here.A. Must; can B. May; can C. Need; must D. Must; must6. A: Must we do our homework first? B: No, you_. You may have a rest first.A. mustn't B. needn't C. may not D. can'tIV. 情態動詞用法辨析：1. can / could在表示請求允許的時候兩者能互換, could比can語氣更委婉。e.g. A. Can I help you?B. Could you o

6、pen the window?Ex:1. Could you tell me _?A. when will the meeting begin B. when the meeting will beginC. When would the meeting begin D. when the meeting would begin2. Can you tell me _ for the computer? A. how much did you pay B. how much you pay C. how much you paid D. how much paid you在表示有能力作某事時，

7、could是can的過去式。e.g. A. I can swim.B. I could swim at the age of five.2. must /have tomust 表示主觀意愿，否定句用mustnt（不準，不許），否定回答用neednt（不必）e.g. A. I must go now.B. You mustnt play in the street.C. A: Must I clean the room now? B: No, you neednt.have to表示客觀條件的限制的“不得不”，它有時態和人稱變化，需要助動詞來否定和疑問。have to的疑問形式是：助動詞+主語

8、+have to，否定形式是：助動詞+not + have to (相當于not have to)e.g. A. I dont have to / neednt carry the big box.B. He had to wash his clothes.C. Well have to leave now, for it is very late at night.D. Do you have to stay until 8 oclock?Ex：填空：1. Ive lost my bike, so I _ take the bus to school.2. You _ be careful

9、when you cross the road.3. My brother was very ill, so I _send him to the hospital last night.4. You _ study hard, or youll not pass the exam.5. The car didnt move. They _ get out of it to push it.6. We _ drink enough water every day.7. His glasses have been broken. Hell _buy another pair.8. The bus

10、 was too crowded. They_ walk there.9. In Our school every student _ wear the school uniform.10. Ive broken my left leg, so I _ stay in bed for a few days.選擇：1. Come on! We _ hurry because there isn't much time left.A. may B. must C. can D. need2. You_ go and see a doctor at once because you'

11、re got a fever.A. can B. must C. dare D. would3. The children_ play football on the road.A. can't B. can C. mustn't D. must4. His arm is all right. He_ go and see the doctor.A. has not to B. don't have toC. haven't to D. doesn't have to5. He had to give up the plan, _ he?A. did B

12、. didn't C. does D. doesn't6. You _ do it even if you dont want to. A. cant B. mustnt C. neednt D. have to7. A: Must I take a bus? B: No, you _. You can walk from here. A. mustnt B. dont C. dont have to D. had better not to8. A: It is rather cold here. Shall we light a fire? B: No, we _, bec

13、ause things here are easy to catch fire. A. wont B. cant C. mustnt D. neednt3. may (相當于can)表示請求別人允許。May I use your bike?表示可能性。He may be a teacher. / He may live in this building. 注意： 表示肯定的猜測：must be 表示否定的猜測：cant be表示可能的猜測：may beEx: 1. Michael _ be a policeman, for he's much too short. A. needn&#

14、39;t B. can't C. shouldn't D. won't 2. I thought you _ be hungry, so I have brought you some cakes. A. may B. might C. can D. could3. You were stupid to climb the tree. You _ hurt yourself.A. may B. might C. will D. might have 4. All the lights are on, the Smiths _ up.A. must get B. is g

15、etting C. must be getting D. would get 5. John_ come to see us tonight, but he isn't very sure yet.A. may B. can C. has to D. must6. A: He_ be in the classroom, I think.B: No, he _ be in the classroom. I saw him go home a minute ago. A. can, may not B. must, may not C. may, can't D. may, mus

16、tn't7. Even the top students in our class can't work out this problem, so it _be very difficult.A. may B. must C. can D. need8. He isn't at school. I think he _ be ill.A. can B. shall C. must D. has to4. can/ be able tocan 只有現在時和過去時be able to 含強調經過努力之后能做（適用于更多時態）Ex:1. The fire spread thr

17、ough the hotel very quickly but everyone _ get out. A. had to B. would C. could D. was able to2. They _ do well in the exam.A. can be able to B. be able to C. can able to D. are able to3. He listened, but he _ hear nothing. A. can B. could C. able to D. be able to4. My brother is good at swimming. H

18、e _ swim much faster than his classmates. A. must B. need C. should D. can5. He was late for work because he _ catch the early bus. A. might not B. didnt have to C. wasnt able to D. didnt want to6. The young man asked whether he _ take the book out of the reading room. A. could B. might C. should D.

19、 would5. should/ ought to/ had better do sth.(可轉換) 否定： should not do sth. ought not to do sth had better not do sth.Ex: 選擇：1. He had better stay here, _ he?A. didn't B. don't C. hadn't D. isn't2. You'd better _ late next time.A. not to be B. not be C. won't be D. don't be

20、3. You_ ask that man over there. Maybe he knows the way. A. had better not to B. had not better C. had better D. had better not4. Be careful not to catch a flu. You _ keep yourself warm and have a healthy diet. A. can B. should C. may D. need5. You look so tired. You _to have a good rest. A. should

21、B. had better C. must D. ought6. You _ apologize to your mum for breaking the expensive vase. A. ought B. should C. can D. may句型轉換：1. You should stop when you see the red light on. （保持句意不變） You _ _ stop when you see the red light on.2. My brother ought to wear his school uniform at school every day.

22、（改為反義疑問句） My brother ought to wear his school uniform at school every day, _ _?6. need的用法辨析 1) 作情態動詞 need do sth. (否定) neednt do sth. 2) 作行為動詞 (有時態，人稱和數的變化) need to do sth. (否定) dont need to do sth. need sth. (否定) dont need sth.7. had better (do) sth. (否定) had better not (do) sth.e.g. A. Youd better

23、 sit here and say nothing.B. Youd better not speak because he is sleeping.Ex：1. A: Need we do this job now? B: Yes, _.A. you need B. you should C. you must D. you can2. A: Shall I get one more cake for you, Dad? B: Thanks, but you_, I've had enough.A. may not B. must not C. can't D. needn

24、9;t3. You _worry about your son. He will get well soon.A. needn't B. can't C. mustn't D. have to4. The poor man needs our help, _ he?A. need B. needn't C. does D. doesn't5. I dont think your friends_ worry about his health. I think he will be all right soon. A. needed B. needs C.

25、 need to D needs toV. 情態動詞的被動語態：情態動詞+be+過去分詞Ex:1. Now many kinds of work _ (can do) by computers.2. We can store huge amounts of information in the computer.（改為被動語態） Huge amounts of information _ _stored in the computer. 3. We must keep the environment clean. （改為被動語態） The environment _ _ kept clean.

26、三、課堂小結： _四、回家作業：I. Fill in the blanks with proper modal verbs:1. Jim _ sing very well.2. Hello, _ I speak to Jim?3. _ we clean the classroom now? Yes, you _.4. We are students. We _work hard.5. _ I watch TV after supper?6. You _ eat or drink in class.7. A: _ I take this book out of the reading-room?

27、 B: No, you _.8.A: _ I return the book today? B: No, you _. You _ return it tomorrow.9. _ you lend me your dictionary for a minute?10. He listened, but he _ hear nothing.II. Choose the best answer:1. The light is on. They _ be at home. A. must B. can C. need D. could2. Jenny _ draw very beautiful pi

28、ctures. A. may B. need C. should D. can3. The H1N1 flu is really dangerous. You _ keep warm and have a healthy diet. A. can B. should C. may D. need4. A: She must be in the library now. B: No, she _ be there. I saw her in the office a minute ago. A. mustnt B. cant C. couldnt D. wouldnt5. You look so

29、 tired. You _to have a good rest. A. should B. had better C. must D. ought6. He was late for work because he _ catch the early train. A. might not B. didnt have to C. was not able to D. didnt fail to 7. You _ park your car in front of our shop. A. neednt B. mustnt C. oughtnt D. wont8. Im afraid I _

30、go now. Its so dark outside. A. can B. have to C. may D. need9. A: _ I borrow your dictionary, Tom? B: Certainly, but you _ return it next week. A. May, may B. Can, can C. May, must D. May, can 10. A: _ I book a table by phone? B: No, you _. You may also reserve it online. A. Must, mustnt B. Must, n

31、eednt C. Can, cant D. Can, needntIII. Rewrite the sentences as required:1. He can hardly find out the solution to the case. (改為反意疑問句) He can hardly find out the solution to the case, _ _?2. He woke up early in order to catch the early bus. (保持句意基本不變) He woke up early so that _ _ catch the early bus. 3. We must keep our classroom clean and tidy. (改為被動語態) Our classroom _ _ _clean. 4. We can collect a huge amounts of information from the Inte