U6 初中 can may must 情態(tài)動詞

1、 can may must情態(tài)動詞： can may must 定義：定義： 本身具有一定的詞義，表示某種感情和語氣。本身具有一定的詞義，表示某種感情和語氣。 例句：例句： You cant do it like that.(責備責備) May I borrow your book?(請求請求) You must finsh your homework on time.(命令命令)can 觀察： I can swim. Can you swim? I cant /cannot swim, but I can ski. 總結(jié): 1.can表示_. 2.can 后面動詞用_. 3. can的否定形

2、式是：_或_. 4. 一般疑問句是將can_.有能力做某事原形cantcannot提前Hi and Lo are talking about themselves. What are they saying? Read their conversation and then complete the statements below with Can or Cannot. P771. Hi _ play football.2. Lo _ paint.3. Hi _ speak as many languages as Lo.4. Both Hi and Lo _ dance.5. Lo _ d

3、rive a car, but he _ play chess.6. Hi _ swim, but he _ play the guitar.cancancancancannotcannotcannotcannotLets play a chin game.(接龍) A: I can swim. Can you swim? B: Yes, I can. I can sing. Can you sing? C: No. I cant. I can ride a bike. Can you ride a bike? D: .can/may觀察：總結(jié)：1：can/may表示：_和_.后接:_2: c

4、an的否定形式:_ may 的否定形式：_May/Can I use your mobile phone？Yes, you may/can. No, you may not/cant.You may/can turn on the TV.You may not/cannot play in the kitchen. 請求請求允許允許原形原形cant/cannotmay notDaisy is not feeling well today. Benny is at home with her. Read their conversation below. Fill the blanks with

5、 may or can. P78Benny: Yes. I _. _ I carry your bag for you? Daisy: Yes, you may. Thats so kind of you, Benny. Im ready to go. _ you open the door for me?Benny: Yes, I can. Daisy: Thanks. MaycanCanBenny: How are you feeling, Daisy?Daisy: Not very well.Benny: _ I get you a chair?Daisy: Yes, thanks.Be

6、nny: Im going out. _ I borrow your bicycle, Daisy?Daisy: Yes, you may. Before you go to meet your friends, can you come and see the doctor with me?MayMay/Cana. A man is going to see his boss. b.He is standing at the doorway. May I come in?What would he say if he wants to be polite?bossCome in, pleas

7、e.A student is going to ask the teacher a question.May I ask you a question?teacherSure.c. A boy is thirsty. He is asking his mother for something.May I have a glass of water?his mother Here you are.You enter a shop. The girl will say.May I help you?Id like to buy some.Youmust and must not 觀察： 總結(jié)： 1

8、. must表示_和_.后接：_ 2. Must 提問，肯定回答：仍用_回答 否定回答：用_或_1.We must listen to Miss Li carefully.2. You must not/ mustnt be late for class.3. Must I clean the blackboard now? Yes, you must. No, you neednt. No, you dont have to.命令命令禁止禁止原形原形must you needntyou dont have toDaisy saw a doctor. The doctor told her w

9、hat to do and what not to do. Help her write down the doctors instructions. drink more water go to bed early eat cold food share cups with others go out alone take the medicine on time1.I must drink more water.2._3._4.I must not _5._6._I must go to bed early.I must take the medicine on time.eat cold

10、 food.I must not go out alone.I must not share cups with others.小結(jié)：can/may/must 共同點：1._2._3._不同之處：1. can表示_ may表示：_ must 表示：_2. can/may 提問遵循：_ must 提問,否定回答：_后面動詞都用原形。后面動詞都用原形。否定句都是后面加否定句都是后面加not一般疑問句都是將其提前一般疑問句都是將其提前有能力做某事/請求、允許請求請求/允許允許命令、命令、 禁止禁止什么問，什么答什么問，什么答neednt/dont have to1. 我會游泳但瑪麗不會。我會游泳但瑪

11、麗不會。 I _ _ but Mary _. 2. 我八點之前必須完成作業(yè)。我八點之前必須完成作業(yè)。I _ _ my homework before eight oclock.3. 我可以借用你的自行車嗎？我可以借用你的自行車嗎？ _ _ borrow ?4. 你不可以在這里打籃球。你不可以在這里打籃球。 You _ _ _ here. 5. -Must I stay here now? -_, you _. You _ leave now.can swim cant must finishMay I mustnt play basketballI. I.根據(jù)中文意思完成句子。根據(jù)中文意思完成

12、句子。No neednt may/can AB can may mustcan/may/must的雙面性觀察： 1. He may be Tom. Because he looks as tall as Tom. But I am not sure. 2. -Can the story be true? -It cant be true. He lied. 3. He must be at home. Look! The lights are on.總結(jié)：1.can/may/must還可以用來表示_.2.可能性由大到小的排序：_.3. must表示一定，其“不可能”是：_4. 表示可能時，_不

13、用于肯定句。推測推測 must-may/can cant can May he be Zhou Jielun? It _ be Zhou jielun. It _ be Jacky Cheng .duang!cant must Can she be Miss Li? She_ be Miss Li. Who must she be? She_ be Angela Baby.cant must Who may she be? Can she be Zhou Xun?How much do you know about your classmates?There are some things.

14、Do you know whose it is?情景劇A: I can play basketball. Can/May I play basketball here?B: No, you cant/ may not. You mustnt play basketball in the cLassroom. You may hurt the classmates. You can/must play it on the playground.a basketball fan monitor(班長班長)a classmateat nightin the KTVon the wallon the

15、paperat school.outside the schoolA: I can _. Can/May I _?B: No, you cant/ may not. You mustnt _. _ may /must_ You must /may_.【中考演練】(1) May I change the film here? (廣廣州州.2013) No, you_do that in the sunshine. A. neednt B. dont have to C. cant D. may not (2) -Listen! Somebody is singing in the next ro

16、om. Who _ it be? Is it Meihua?(深圳深圳) -No. It _ be her. She is at school now. A. will, may not B. must, mustnt C. may, cant D. may, wont(3) - _ I take the newspaper away? -No, you mustnt. You_read it only here.(惠州惠州.2011) A. Must; can B. May; can C. Need; must D. Must; must(4) You_ go and see a docto

17、r at once because youve got a fever.(上上海海)A. can B. must C. may D. could1. -May I watch TV, Dad? -No, you _. You must finish your homework first. A. mustnt B. may not C. couldnt D. might not2. - _ you carry the bag by yourself? -Yes, I can. A. Must B. Can C. Should D. May3. You _ throw rubbish every

18、where. A. mustntB. cant C. may notD. couldnt II.II.單項選擇。單項選擇。ABA4. - _ I borrow these magazines? - Sorry, only the magazines over there can be borrowed. A. NeedB. would C. Must D. May 5. Its the library! So you _ not shout here. A. mustB. can C. should D. may6. Many people like Jay Chou because he _ write and sing popular songs. A. mustB. can C. should D. mayDAB Use the following sentence “I can ” to tell others your special ability. For example: I can hold my breath for two minutes. You will be given several situations. After reading the descripti