七年级英语下册情态动词拔高课讲义(新版)人教新目标版

1、天才是百分之一的灵感加百分之九十九的勤奋情态动词拔高课（讲义）、情态动词基本特征I can play the drums very well.She must spend an hour reading English every day. Thatboy may be Linda ' s brother.情态动词属于 ,不能单独构成谓语，后面要接动词，并且只能接 。没有人称，时态和数的变化。用来 表达说话人的情绪，态度或语气。练习：() What can she do? She can guitar.A. playC. plays the( )The girl in red mayA

2、. am B. isB. play theD. playingmy old friend, Jane.C. beD. are金戈铁制卷()Mary at home tonight because shea lot of clothes to wash.A. may; hasB. may be; haveC. must; hasD. may be ; hasthe swimming club.二、句式转换I can swim so I want to joinI can ' t go to the cinema with you tomorrow.Can you play the gui

3、tar?含有情态动词的句子，变否定句时直接在 后加 not ;变为一般疑问句时，把 提到句首。练习：He can stay for dinner tonight.（变为一般疑问句）I may go to the countryside next month.（变为否定句）My friend can join the music club.（就划线部分提问）We must arrive in Henan tomorrow.（就划线部分提问）三、情态动词总结can1 .能够，会My sister can speak English quite well. But I can' t spea

4、k Englishat all.can可以用来描述某人具有某种 。2 .可以You can go home now.You can take this book away if you like it. can可以用来表示一种 。3 .可以吗？Can you pass me s piece of paper?Can I stay at my friend ' s home tonight?can可以用来表示 ，并且通常对于关系亲近的 人。肯定回答用 Yes, sb can. 否定回答用 No, sb can ' t.could1 .能够，会I could ride the bi

5、cycle when I was seven.He could swim when he was a little child.用来描述某人具有某种能力，用于 。 The little girl speak French very well.I speak a few French when I was young, but I forget allnow.2 .可以吗Could you help memove the heavy box? CouldI have a look at your family photos?could 可以用来表示 , 口气比 can 委婉。回答时， 与can

6、相同肯定回答用 Yes, sb can.否定回答用 No, sb can' t.() Could I borrow your ruler, please? Yes, you. But you must return it before lunchtime.A. have to B. can C. must D. couldneedTina needs to get some sleep.I don ' t need to go home yet - it ' s still early. He needed to finish the work yesterday.ne

7、ed作实义动词，有人称，时态的变化。接动词时，用动词不 定式。 Need I come here before eight tomorrow morning? - No, you needn ' t.need也可作情态动词，常用于否定句和疑问句中， needn' t翻译为"没必要”。练 习：判断下列句子中的need属于实义动词还是情态动词Andyneeds to have a rest. Need I pay him a visit? You needn' t get here so early. must v. 必须Tom, you must listen

8、to your teacher at school.We must stop when the traffic light is red.I must keep the habit of going to bed early.must常用来表达一种 或者一种。 have to"不得不，必须”Do you want to play basketball with us after school? 一 I'd love to, but I have to finish myhomework first.I had to leave at that time.（变为否定句）She

9、has to look after her little brother today.（变为一般疑问句） must & have to 区别1 : must多表示主观需要或责任感的驱使有必要或有义务去做某事 ,多译为“"，而have to 除了表示必须，也可表示环境所限，客观要求（无奈）而为之，多译为“”。You must be here on time tomorrow.I must get up early to catch the first train.I can ' t go out with you because I have to do my home

10、work now.I have to leave school because my family is very poor.区别2: 没有人称，时态的变化； 有 人称，时态的变化。区别3 :否定形式的含义不同must的否定形式mustn ' t表示“禁令”，译为“禁止，绝对不能have to的否定形式don't have to译为"没必要"。Childrenmustn' t swim in the river.You don ' t have to take a taxi. It is still early.联系： Must I hand

11、 in the homework now? Yes, you must/have to.- No, you don ' t have to/needn ' t.must提问的一般疑问句，肯定回答用 must或者have to ;肯定回答用don 't have to 或者 needn ' t.()-Must I be in hospital for a week, Doctor?No, you . You can go back hometomorrow.A. can' t B. mustn ' t C. needn ' t D. mus

12、tmay1. “可能，也许”表达一种可能性I may visit my grandparents on Sunday, but I am not sure yet. I can ' t find my watch.-It may be in your schoolbag.2. “可以”You may take this away if you like it. Youmay have your lunch now.3. “可以吗？好吗？”May I use your telephone?May I come in?may表示委婉请求时，常与第一人称连用。语气比 can , could

13、委婉。肯定回答用 Yes, sb may.否定回答用 No, you can' t或者No, you mustn 't.()May I smoke here?一I ' m sorry you .It is dangerous to smoke here.A. needn' t B. can C. may D. mustn t may be & maybeShe may be at home now.Maybe she wants to go to movies with you today.may be ： may后要接动词原形。am, is , are

14、 的原形为 be。maybe：是一个副词，意思是“也许，可能” 。常放在句首。()Will you answer the telephone? Ityour mother.A. can beB. may beC. have to be D. maybe四、课堂练习()1. What must your brother do every day? He mustpiano.A. practice playB. practicesplayC. practice playingD.practicesplaying ()2. Can your brother drive?. He often driv

15、es me to work.A. Yes, he canB. No, he can ' tC. Yes, he drivesD. No, he doesn' t drive()3. They play football last Fridaybecause Simon forgot to bring his football here.A. could B. couldn ' t C. can ' t D. can()4. - Could I have another cup of coffee?Yes, of course you .A. canB. can

16、' t C. couldD. couldn't ( )5. Lisa is a little poor at Chinese. I think sheB. to practice speakingD. to practice to)6. Let ' s take aneeds it every day.A. practice to speakC. practice speakingspeak ( taxi. No, we. It ' s not far from here.A. can ' tB. mustn ' t C. couldn '

17、; t D. needn()7. -Do you have to make dinner for your dad?. He is always very busy.A. Yes, I amB. Yes, I doC. No, I can ' tD. No, I don't ()8. Itrain tomorrow.A. canB. mustC. have toD. may()9. Westop when the traffic light is red.A. mayB. canC. can ' tD. must()10. Mary stay in her room b

18、ecause itrained heavily yesterday.A. had toB. have toC. has toD. may()11. It is so far from here.If you want, you _ use my car.A. must B. have toC. can ' t D. may()12. Please be quiet. You use your cellphone or talk toeach other in the library.A. don ' t have toB. mustn ' tC. canD. may()

19、13. You finish the book today. You can give meback on weekends.A.canB.don ' t have toC. can ' tD. may()14. Must I finish the work before five? No, you .A. needn ' tB. mustn ' tC. mustD. have to()15. May I have a look at that picture? 二、用适当的情态动词填空 I ' m sorry you .A. don ' t h

20、ave toC. may not()16. My sister stayingto go to school today.A. maybeC. may beIt ' s a secret( 秘密).B.can ' tD. canon bed now. She doesn ' t haveB. have toD. may17. - Look! The boy stand on his hands. Ialso do it when I was very young.18. Youget up so early. You can also catch the secondt

21、rain.19. Tom, you listen to your teacher at school.20. The clock tell us time.21. It be rainy, sunny or cloudy tomorrow. Who knows?22. 一 I use your car?Yes, you may.三、按要求完成句子23. That thin girl can speak French.（改为否定句）24. You must return the book now.（改为一般疑问句）25. The boy may go to England next month.（就划线部分提问）26. 上学期间我们必须穿校服。（翻译句子）We school uniform on school days.27. Jim has to clean the classroom after school today.（就戈U线音B分提问）28. 在我能看电视之前我必须读一本书。（翻译句子）I read a book before I watch TV.29. 那个穿红衣服的女士可能是我们的新老师。（翻译句子） The lady in red _our