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1、,Revision for Modal Verbs,Go for it! 九年级,1,中考英语专项复习情态动词,特征： 1）它不能单独作谓语，必须与实义动词一起构成谓语 2）情态动词没有人称和数的变化，(have to除外， 三单形式： has to） 3）情态动词+动词原形,2,情态动词的类型,can ( could ) 能，会 may (might) 可以，可能 will (would) 将，会，愿意 must 必须 have to不得不 need 需要 sb need to do sth ,sth need doing . should应该 had better 最好 had bette
2、r (not) do sth,3,考点一：表推测语气的情态动词,表猜测性的情态动词有： must, may，might, could, , cant, 肯定推测： must用在肯定句中，表示肯定推测，“肯定” “一定”, The book_ belong to Tom. It has his name.,4,must,2.may ,might, could表示“可能”,也许“的推测，这三个词用于肯定推测。 Dont play on the road. You _ be hurt by cars.： 3.cant 表示否定推测，“不可能； 一定不是” e.g. The door is locke
3、d. He _(不可能） be at home。,may，might/could,cant,1.The light in the office is off. The teacher _be there now.（南通） A. may B. cant C. mustnt D. must 2.His parents bought him a large house . It _be very expensive（宁夏） A. must B. can C. mustnt D. cant,B,A,Lets do,6,3. -The lake is said to be dry. Is that tr
4、ue? -It _. Look, some kids are swimming in it. A. must be true B. cant be true C. may not be true,B,4.-what will the weather be like tomorrow? -It _ be rainy, cloudy or sunny. Who knows? A. must B. might C. shall D. should 5. -Whos that woman with Ann? -Im not sure. It be her mother A. may B. can C.
5、 will D. must,B,A,6.-Whose exam paper is it? -It _ be Li Leis. He always forgets to write his name on it. A. cant B. must C. shouldnt D. may 7.-whose tennis racket is this? -Look! Jerrys name is on it! It _ be his. A. must B. might C. cant D. shouldnt,B,A,考点二：情态动词开头的疑问句的答语,10,句型: 肯定回答 否定回答 1.Can I Y
6、es, you can . No, you cant . Could I Yes, you can. No, you cant. 2.May I 肯：Yes,you may. Yes, of course. Yes, certainly. Sure . 否：No, you mustnt. No, you cant.,11,3.Must I 肯： Yes, you must. 否： No, you neednt. No， you dont have to 4.Need I 肯： Yes, you must. 否：No, you neednt,1.Must I take the keyboard
7、to the office now ? -No, you _.You can do it later. A. mustnt B . cant C . dont D. neednt 2.May I take this book out of the reading room? -No, you _. You must read it here. A. may not B .dont have to C. mustnt D. neednt,D,C,Lets do,12,3.(2009.襄樊）-Must I get up before six oclock tomorrow morning, Dad
8、? -No, you _.Tomorrow is Saturday .You may get up later. A mustnt B. cant C. needn t D. may not,C,13,4.(2009绍兴）-could you please come to the Museum with me this afternoon? -sorry, I_.I have to take a piano lesson . A. couldnt B. mustnt C. cant D. neednt 5.(2008.河南）-_ I go swimming with Dad, Mom? -No
9、, you neednt .You can stay at home. A. May B. Should C. Must D. Would,C,C,14,考点三：情态动词的语气,15,1. can的用法： （1）表示能力，意为“能、会”， （2）表示请求，许可，“可以” 如：She can swim fast, but I cant . 如：Can you go shopping with us ?,16,2.could 的用法： 1）can的过去式：could. 意为“能够；会” 表示过去的能力。 e.g. He could sing when he was 3. 2） could 在疑问句
10、中，表示委婉的语气， 此时could不是can的过去式。 -Could I use your pen? -Yes, you can. No, you cant.,17,3. may的用法： （1）.表示请求、许可， 如：May I borrow your bike? (2) .may的过去式为might，表示推测时。可能性低于may。 如：He is away from school. He might be sick. (3) . 表示希望、祈求、祝愿，常可译为“祝愿”。通常是用may +主+V 例如：May you have a good time. May you be happy! M
11、ay you succeed！,18,4. must的用法： (1).must表示主观看法，意为“必须、一定”。 如：You must stay here until I come back. Must I hand in my homework right now? (2)其否定形式mustnt表示“一定不要” “千万别” “禁止,不许”. 如：You mustnt play with fire. You mustnt be late. （3）对must引导的疑问句，肯定回答为must，否定回答为neednt 或dont have to . 如：Must I finish my homewo
12、rk? No, _.,you neednt/dont have to,19,5. need的用法： （1）.need表示需要、必须，主要用于否定句和疑问句中，其否定形式为neednt，意为“没有必要，不必”。用need提问时，肯定回答为must，否定回答为neednt或dont have to。 如：Need I stay here any longer? Yes, you must .No. you neednt /dont have to. (2).need还可以作实义动词，此时有人称、数和时态的变化，如果是人作主语, need to do sth 如：I need to buy a bo
13、ok. 如果是物作主语,一般用need doing sth（表被动） =need to be done：,20,6. shall的用法： shall表示征求对方意见（多用于第一）， 如：Shall we go out for a walk? 7. should的用法： should意为“应该”，可表示劝告、建议、义务、责任等。 如：We should protect the environment.,21,8. will的用法： will表示意愿、意志、打算，可用于多种人称。 如：I will help you if Im free this afternoon. 9. had better的
14、用法： had better意为“最好”，没有人称的变化， had better do sth 其否定形式为：had better not。 如：We had better_( go )now.,1.-_ you speak Japanese ?(北京2008） -No, I cant A. Can B. Must C. May D. Should 2.You _ stop when the traffic light is red.(山西） A. can B. may C. must D. need 3.LiLei cant go hiking with us today .Because
15、he_ _take care of his sick mother .(温州） A .has to B .may C. mustnt D .need t,A,C,A,Lets do,22,考点四：易混词的辨析,（一）must 与have to We _study hard . We _stay at home because it is raining. 提示：must 表主观看法，意为“必须”。 have to表客观需要，意为“不得不” （二）maybe与may be _he is right . It_ rainy tomorrow. 提示：may 为情态动词后接动词原形。Maybe为副词意思为“大概，也许”,must,have to,Maybe,may be,23,考点四：易混词的辨析,（三）can与be able to I_ speak English now. My sister _speak English two years ago. My brother _ speak English in
