1、英语八年级上册 Module11课型:前置语法课 【学习目标】1.了解并掌握情态动词 can,must 的意义和用法;2.掌握情态动词 can, must 的各种句式转换。【学习过程】课前朗读朗读学过的单词、短语、对话、课文等或预习新单词I.情景导入通过谈论“ 家规” 或“校规”,引出要学习的语法知识,如:你必须先完成作业;你上课不准迟到;晚上你不能外出;你不可以在教室里听音乐;在图书室里你不准大声喧哗等。展示句型结构:You must finish your homework first.You mustnt be late for class.You can play soccer on
2、weekends.You cant go out at night.II.精讲规则1. 情态动词 must 的用法must 表示主观义务,意思是“必须”;由 must 引起的疑问句,肯定回答要用 must, 否定回答要用 neednt,意为“ 不必”。例如:I must finish the work before nine.Must I finish the work before nine ? Yes, you must.No, you neednt.mustnt 表示禁止,意为“不可以;不准;千万不要 ”。由 may 引起的疑问句,肯定回答要用 may, 否定回答常用 mustnt。例如
3、:You mustnt come late tomorrow.May I hand in the paper next time ? Yes, you may.No, you mustnt.must 表示肯定的猜测,意为“一定”。例如:You must be tired after a long journey. He must have read the book several times.2.情态动词 can 的用法can 表示允许,意为“可以”。例如:You can go and see the lion dance.He can stay at home.can 表示能力,意为“会;
4、能够”。例如:He can drive a car.My little brother can sing English songs. can 表示猜测,意为“可能”。例如:She can be at home at the moment.It cant be him. He has gone to Beijing.注意:在表示客观需要时一般用 have to,意为“不得不”,而 must 强调主观上的“必须”。Its raining heavily so we have to stay at home and do some reading.I must stop smoking. 在表示能
5、力时,can 可以和 be able to 互换,但是 can 只有过去和现在形式;而 be able to 有各种人称和时态的变化。例如:He could ride a bicycle when he was young.He will be able to mend the machine. III.专项训练单项选择1. That tall boy_ be John. John is medium height.A. mustnt B. must C. cant D. might.2. Lets go dancing tonight.Sorry, I _. I have to go to
6、a meeting.A .cant B. mustnt C. may not D. neednt3. We_ talk loudly in buses or train.A. must B. mustnt C. need D. neednt4. Where is Mom now ?Im not sure . She _ be in the kitchenA. shall B. may C. need D. must5. You have already tried your best, so you _worry about the matter.A. cant B. neednt C. mu
7、stnt D. couldnt6. Can you play with a yo-yo, Jim?Yes, I _. Its easy.A .must B. can C. need D. may7.What did the headmaster say at the meeting ?He said, “We _ be proud of working hard. We mustnt be lazy.”A. must B. neednt C. may D. couldnt8. Must I finish that work today ?No , you _.You may finish it
8、 in 3 days.A. mustnt B. neednt C. shouldnt D. couldnt9. You are very ill, so you _ stay in bed for a week.A .can B. need C. must D. may10. You _ drive a car at the age of 16.A. mustnt B. neednt C. couldnt D. cantIV综合练习:一、Fill in the blanks with can, cant, must, mustnt, neednt, may.1. In Britain, you
9、 _be 18 years old if you want to drive a car.2. You _smoke at the gas station (加油站) ,or you _start a terrible fire.3. We _read others diaries without permission.(允许)4. _you help me with my English lesson?Of course.5. They _go to the museum because they have no money.6. Dont open the present now! You
10、 _wait and open it later in China.7.Must I take them to the bedroom now?No, you _.Your father will take them.8. Whose is the black pen?It _ be Lucys. Because she has a pen like this.二、单项选择1. Must we finish the work before six? No, you_. You may do it tomorrow.A. mustnt B. may not C. neednt D. cant2.
11、 I think Miss Gao must be in the library. She said she would go there.No, she _ be there. Ive just been there.A. cant B. mustnt C. neednt D. wouldnt3. What are you going to eat for supper? I _ have noodles.A. may B. must C. need to D. can4. Can you finish the work in two days?Sorry, I_. My computer
12、doesnt work.A. mustnt B. may not C. cant D. neednt5. Lets go to Taishan Park by taxi.Its not far. We _ take a taxi.A. neednt B. cant C. mustnt D. couldnt6. What do drivers do when the traffic lights turn red? They _ stop and wait till the green light.A. must B. can C. may D. need7. Look! Mr Hu is on
13、 the other side of the street. It _be him. He has gone to Lanzhou.A. mustnt B. cant C. shouldnt D. wont8. Can you stay here for lunch?Sorry, _. I have to see my parents.A. I cant B. I shouldnt C. I mustnt D. I wont9. Why not go to the office and ask your teacher for help? I _. But I didnt find her t
14、here.A. will B. Would C. have D. shall10. Peter, dont play that kind of joke any more!Sorry! I _ do it again.A. wont B. cant C. mustnt D. wouldnt三、用 can/cant/must/mustnt 造句,说明其用法。can_cant _must _mustnt _Unit 3 Language in useIII.检测效果:一、1. mobile 2. pour 3. married 4. accept 5. shout 6. pay 7. paveme
15、nt 8. chopsticks二、1. 别聊了 2. on the first day of the Chinese New Year3. 等等 4. cut the hair 5. 例如 6. tea with milk 7. 按时;准时 8. be different from 9. 结婚 10. hear sb doing sth 11. 与握手12. a light mealV专项训练1. (1) mustnt (2). Can; cant; must (3) may (4) cant (5) can; may2(1) wash up (2) at the age of five (
16、3)No smoking(4) Take off (5) get married 综合练习一、1. to have 2. to eat 3. eating 4. clearly 5. first 6. finish 7. fishing 8. smoking 9. to close 10. to play二、1. A 2. B 3. D 4. D 5. C 6. A 7. A 8. A三、句型转换1. Yes,you must.2. Whats; weather like3. at the age of six4. too young to go5. paid; for 或 spent; on四、 1. B 2. D 3. B 4. C 5. D 6. A 7. A 8. D 9. B 10. A五、答案略全品中考网全品中考网全 品 中 考 网全 品 中 考 网全 品 中 考 网全 品 中 考 网全 品 中 考 网全 品 中 考 网