1、情態(tài)動詞拔高課（講義）一、情態(tài)動詞基本特征I can play the drums very well.She must spend an hour reading English every day. That boy may be Lindas brother.情態(tài)動詞屬于 ，不能單獨構(gòu)成謂語，后面要接動詞，并且只能接 。沒有人稱，時態(tài)和數(shù)的變化。用來表達說話人的情緒，態(tài)度或語氣。練習：()What can she do?She can _ guitar.A. playB. play theC. plays theD. playing()The girl in red maymy old

2、friend, Jane.A. amB. isC. beD. are () Maryat home tonight because she a lot of clothes to wash.A. may; hasB. may be; haveC. must; hasD. may be ; has二、句式轉(zhuǎn)換I can swim so I want to join the swimming club. I cant go to the cinema with you tomorrow.Can you play the guitar?含有情態(tài)動詞的句子，變否定句時直接在 后加not；變?yōu)橐话阋蓡柧?/p>

3、時，把 提到句首。練習：He can stay for dinner tonight.（變?yōu)橐话阋蓡柧洌㊣ may go to the countryside next month.（變?yōu)榉穸ň洌㎝y friend can join the music club.（就劃線部分提問）We must arrive in Henan tomorrow.（就劃線部分提問）三、情態(tài)動詞總結(jié)can1. 能夠，會My sister can speak English quite well. But I cant speak English at all.can 可以用來描述某人具有某種 。2. 可以You

4、can go home now.You can take this book away if you like it.can 可以用來表示一種_ 。3. 可以嗎？Can you pass me s piece of paper?Can I stay at my friends home tonight?can 可以用來表示 ，并且通常對于關(guān)系親近的人。肯定回答用 Yes, sb can. 否定回答用 No, sb cant.could1. 能夠，會I could ride the bicycle when I was seven. He could swim when he was a lit

5、tle child.用來描述某人具有某種能力，用于 。The little girlspeak French very well.Ispeak a few French when I was young, but I forget all now.2. 可以嗎Could you help me move the heavy box? Could I have a look at your family photos?could 可以用來表示 ，口氣比 can 委婉?；卮饡r，與 can 相同肯定回答用 Yes, sb can. 否定回答用 No, sb cant. ()Could I borro

6、w your ruler, please?Yes, you _. But you must return it before lunchtime.A. have toB. canC. mustD. couldneedTina needs to get some sleep.I dont need to go home yetits still early. He needed to finish the work yesterday.need 作實義動詞，有人稱，時態(tài)的變化。接動詞時，用動詞不定式。Need I come here before eight tomorrow morning?N

7、o, you neednt.need 也可作情態(tài)動詞，常用于否定句和疑問句中，neednt 翻譯為“沒必要”。練習：判斷下列句子中的 need 屬于實義動詞還是情態(tài)動詞Andy needs to have a rest. Need I pay him a visit? You neednt get here so early. must v. 必須Tom, you must listen to your teacher at school. We must stop when the traffic light is red.I must keep the habit of going to

8、bed early.must 常用來表達一種 或者一種 。have to “不得不，必須”Do you want to play basketball with us after school?Id love to, but I have to finish my homework first. I had to leave at that time.（變?yōu)榉穸ň洌㏒he has to look after her little brother today.（變?yōu)橐话阋蓡柧洌?must & have to區(qū)別 1：must 多表示主觀需要或責任感的驅(qū)使有必要或有義務去做某事，多譯為“

9、”，而 have to 除了表示必須，也可表示環(huán)境所限，客觀要求( 無奈) 而為之，多譯為“ ”。You must be here on time tomorrow.I must get up early to catch the first train.I cant go out with you because I have to do my homework now.I have to leave school because my family is very poor.區(qū)別 2： 沒有人稱，時態(tài)的變化； 有人稱，時態(tài)的變化。區(qū)別 3：否定形式的含義不同must 的否定形式 mustn

10、t 表示“禁令”，譯為“禁止，絕對不能”；have to 的否定形式 dont have to 譯為“沒必要”。Children mustnt swim in the river.You dont have to take a taxi. It is still early.聯(lián)系：Must I hand in the homework now?Yes, you must/have to.No, you dont have to/neednt.must 提問的一般疑問句，肯定回答用 must 或者 have to；肯定回答用 dont have to 或者 neednt.()Must I be

11、in hospital for a week, Doctor?No, you . You can go back home tomorrow.A. cantB. mustntC. needntD. mustmay1. “可能，也許”表達一種可能性I may visit my grandparents on Sunday, but I am not sure yet.I cant find my watch.It may be in your schoolbag.2. “可以”You may take this away if you like it. You may have your lun

12、ch now.3. “可以嗎？好嗎？”May I use your telephone? May I come in?may 表示委婉請求時，常與第一人稱連用。語氣比 can，could委婉?？隙ɑ卮鹩?Yes, sb may. 否定回答用No, you cant 或者No, you mustnt.()May I smoke here?Im sorry you . It is dangerous to smoke here.A. needntB. canC. mayD. mustnt may be & maybeShe may be at home now.Maybe she want

13、s to go to movies with you today.may be：may 后要接動詞原形。am，is，are 的原形為 be。maybe：是一個副詞，意思是“也許，可能”。常放在句首。()Will you answer the telephone? Ityour mother.A. can beB. may beC. have to beD. maybe四、課堂練習()1. What must your brother do every day?He mustpiano.A. practice playB. practices playC. practice playingD.

14、practices playing ()2. Can your brother drive? . He often drives me to work.A. Yes, he canB. No, he cantC. Yes, he drivesD. No, he doesnt drive ()3. They _ play football last Fridaybecause Simon forgot to bring his football here.A. couldB. couldntC. cantD. can ()4. Could I have another cup of coffee

15、?Yes, of course you .A. canB. cantC. couldD. couldnt ()5. Lisa is a little poor at Chinese. I think sheneedsit every day.A. practice to speakB. to practice speakingC. practice speakingD. to practice to speak ()6.Lets take a taxi.No, we . Its not far from here.A. cantB. mustntC. couldntD. neednt()7.

16、Do you have to make dinner for your dad? . He is always very busy.A. Yes, I amB. Yes, I doC. No, I cantD. No, I dont ()8. Itrain tomorrow.A. canB. mustC. have toD. may ()9. Westop when the traffic light is red.A. mayB. canC. cantD. must ()10. Marystay in her room because itrained heavily yesterday.A

17、. had toB. have toC. has toD. may()11. It is so far from here.If you want, you _use my car.A. mustB. have toC. cantD. may()12. Please be quiet. Youuse your cellphone or talk to each other in the library.A. dont have toB. mustntC. canD. may()13. Youfinish the book today.You can give me back on weeken

18、ds.A. canB. dont have toC. cantD. may()14. Must I finish the work before five?No, you .A. needntB. mustntC. mustD. have to()15. May I have a look at that picture?Im sorry you . Its a secret(秘密).A. dont have toB. cantC. may notD. can()16. My sisterstaying on bed now. She doesnt have to go to school t

19、oday.A. maybeB. have toC. may beD. may二、用適當?shù)那閼B(tài)動詞填空17. Look! The boystand on his hands.Ialso do it when I was very young.18. You train.get up so early. You can also catch the second19. Tom, youlisten to your teacher at school.20. The clocktell us time.21. Itbe rainy, sunny or cloudy tomorrow. Who kno

20、ws?22. I use your car? Yes, you may.三、按要求完成句子23. That thin girl can speak French.（改為否定句）24. You must return the book now.（改為一般疑問句）25. The boy may go to England next month.（就劃線部分提問）26. 上學期間我們必須穿校服。（翻譯句子）Weschool uniform on school days.27. Jim has to clean the classroom after school today.（就劃線部分提問）28. 在我能看電視之前我必須讀一本書。（翻譯句子）Iread a bookbefore Iwatch TV.29. 那個穿紅衣服的女士可能是我們的新老師。（翻譯句子）The lady in red _our new teacher.30.