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1、GrammarWhat are modal verbs? Use the following sentence “I can ” to tell others your special ability.For example: I can bold my breath for 2 minutes. Now read the following sentences.We can use electricity to make many things.We cannot/ cant see electricity.Can you think of an example?Yes, I can./No
2、, I cannot/ cant.We use the modal verbs can and cannot (cant) to say we are able or unable to do something.Hi and Lo are talking about themselves. What are Hi and Lo are talking about themselves. What are they saying? Read their conversation and then they saying? Read their conversation and then com
3、plete the statements below with Can or Cplete the statements below with Can or Cannot.1. Hi _ play football.2. Lo _ paint.3. Hi _ speak as many languages as Lo.4. Both Hi and Lo _ dance.5. Lo _ drive a car, but he _ play chess.6. Hi _ swim, but he _ play the guitar.cancancancancannotcannotcannotcann
4、otMay/Can I use your mobile phone？Yes, you may/can. No, you may not/cant.We use may and may not to ask for and give permission. In less formal situations, some people like to use can and cannot(cant) for the same purpose.You may/can turn on the TV.You may not/cannot play in the kitchen. Benny: How a
5、re you feeling, Daisy?Daisy: Not very well.Benny: _ I get you a chair?Daisy: Yes, thanks.Benny: 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?Daisy is not feeling well today. Benny is at home with her. Re
6、ad their conversation below. Fill the blanks with may or can.MayMayBenny: 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.MayCanCanWe use must and must not (mustnt) to tell people what to
7、 do or what not to do.You must not/ mustnt do that，Benny.We must always be careful with electricity. They must not/mustnt play near the heater?After modal verbs such as can, may and must, we use (the base form/the ing form/ the ed form) of a verb.Work out the ruleDaisy saw a doctor. The doctor told
8、her what to do and what do not do. Help her write down the doctors instructions.drink more water go to bed earlydrink more water go to bed earlyeat cold food share cups with otherseat cold food share cups with othersgo out alone take the medicine on timego out alone take the medicine on time1.I must
9、 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 food.I must not go out alone.I must not share cups with others.ExerciseExercise1.我会游泳但玛丽不会。I _ _ but Mary _. 2. 我八点之前必须完成作业。I _ _ my homework before eight oclock.3. 我可以进来吗，陈老师？_ _ come in, Mi
10、ss Chen?4. 你不可以在这里打篮球。You _ _ _ here. Exercise 1: 根据中文意思完成句子。根据中文意思完成句子。can swim cannot must finishMay I mustnt play basketballExercise 2: 单项选择。单项选择。1. -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
11、? -Yes, I can. A. MustB. CanC. Should D. May3. You _ throw rubbish everywhere. A. mustntB. cant C. may notD. couldnt Exercise 2: 单项选择。单项选择。4. -_ I borrow these magazines? -Sorry, only the magazines over there can be borrowed. A.NeedB. would C. MustD. May 5. Its the library! So you _ not shout here. A. mustB. canC. should D. may6. Many people like Jay Chou because he _ write and sing popular songs. A. mustB. canC. should D. may
