2017-2018学年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、情态动词拔高课（讲义）一、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.playB. play theC. plays theD. playi ng()The girl in red maymy old

2、friend, Jane.A. am B. isC. beD. are()Mary _ at home tonight because she_ a lot of clothes to wash.A. may; hasB. may be; haveC. must; hasD. may be ; has二、句式转换I can swim so I want to join the swimming club.I can t go to the cinema with you tomorrow.Can you play the guitar?含有情态动词的句子，变否定句时直接在后加not ；变为一般

3、疑冋句时，把提到句首。练习：He can stay for dinner toni ght.（变为一般疑冋句）I may go to the coun tryside n ext mon th.（变为否定句）My frie nd 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102My sister can speak English quite well. But I can t speak Englishat all.can 可以用来描述某人具有某种 _

4、。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 bicycle when I was seven.He could swim when he w

5、as 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 whe n 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 相同肯定回答用 Yes, sb can.否定回答用 No, sb can t.()C

6、ould I borrow your ruler, please?Yes, you_. But you must retur n it before lun chtime.A.have toB. canC. must D. couldn eedTina n eeds to get some sleep.I don t need to go home yet it s stillearly. He needed to finish the workyesterday.need 作实义动词，有人称，时态的变化。接动词时，用动词不式。Need I come here before eight tom

7、orrow morning?3No, 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Andyn eeds to have a rest._Need I pay him a visit?_You n eed n t get here so early._mustv.必须Tom, you must liste n to your teacher at school.We must stop whe n the traffic light is red.I must keep the

8、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?Id love to, but I have to finishmyhomework first.I had to leave at that time.（变为否定句）She has to look after her little brother today.must&haveto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

9、“”，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a。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 homework 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

10、mustn t 表示禁令”，译为禁止.，绝对不能;have to 的否定形式 dont have to 译为没必要”。Childrenmustrf t swim in the river.You don t have to take a taxi. It is still early.联系：Must I hand in the homework now?Yes, you must/have to.（变为一般疑问104No, 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 dont have to或者 ne

11、edn t.()Must I be in hospital for a week, Doctor?No, you _ . You can go back hometomorrow.A.cantB. mustntC. needntD. mustmay1.“可能，也许”表达一种可能性I may visit my gran dpare nts on Sun day, 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. Y

12、oumay have your lunch now.3.“可以吗？好吗？”May I use your telepho ne?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委婉。肯定回答用 Yes, sb may.否定回答用 No, you can t 或者 No, you mustnt.()May I smoke here?I msorry you.It is dangerous to smoke here.A.needntB. canC. mayD.must n t may be & maybeShe may be at home

13、 now.Maybe she wants to go to movies with you today.may be : may 后要接动词原形。am, is , are 的原形为 be。maybe :是一个副词，意思是也许，可能”。常放在句首。()Willyou an swer the telepho ne? It _ your mother.A. can beB. may beC.have to beD. maybe四、课堂练习()1. What must your brother do every day?He must_ pia no.5A.practice playB. practi

14、ces playC. practice play ingD. practicesplay ing ()2. Can yourbrother drive?_ . He ofte n drives me to work.A. Yes, he canB. No, hecantC. Yes, he drivesD. No, he does ntdrive ()3. They_play football lastFridaybecause Simon forgot to bring hisfootball here.A. couldB. could ntC. cantD. can()4. Could I

15、 have ano ther cup of coffee?Yes, of course you _.A. canB. cantC. couldD.couldn t ()5. Lisa is a little poor at Chinese. Ithink shen eedsit every day.A. practice to speakB. to practice speak ingC. practice speak ingD. to practice tospeak ()6. Let s take ataxi.106No, we.Its not far from here.A. cantB

16、. must ntC. could ntD. n eed nt7()7.Do you have to make dinner for your dad?.He is always very busy.A. Yes, I amB. Yes, I doD. No, IC. No, Icantdont ()8. Itraintomorrow.A.canB. mustC. have toD. may()9. Westop when the traffic light is red.D. mayhere.If you want, you _A. mustB. have to)12. Please be

17、quiet. You eachother in the library.A. donthave toC. canuse my car.C. cantD. mayuse your cellphone or talk toB. must ntD. may)13. You_fin ish the booktoday. You can give meback on weekends.A. canB. don t have toC. cantD. may()14.Must I fin ish the work before five?No, you _ .A. n eed ntB. must ntC.

18、mustD. have to()15.May I have a look at that picture?Im sorry you _.A. donthave toC. may not()16. My sister _ stayi ngto go to school today.It s a secret( 秘密).B. cantD. canon bed now. She does nthaveA. maybeB. have to108A.mayB. canC. cantD.must()10. Mary _ stay in her room because itrained heavily y

19、esterday.A. had toB. have toC. has to)11.It is so far fromC. may beD. may9二、用适当的情态动词填空17. Look! The boy _ sta nd on his han ds.I_also do it whe n I was very young.18.Youget up so early. You can also catch the secondtrai n.19.Tom, you_ listen to your teacher at school.20.The clock _ tell us time.21.I

20、t _ be rainy, sunny or cloudy tomorrow. Who knows?22.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.（改为一般疑冋句）25.The boy may go to En gla nd next mon th.（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 un iform on school days.27.Jim has to clean the classroom after school today.（就划线咅 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 new teacher.30.