中考英语情态动词复习 ppt课件.ppt

,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 better (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 locked. 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. must2.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 true? -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. 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 Yes, 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 to the office now ?-No, you _.You can do it later. A. mustnt B . cant C . dont D. neednt2.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?-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, 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! May 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 homework?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 book. 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. Should2.You _ stop when the traffic light is red.(山西） A. can B. may C. must D. need3.LiLei cant go hiking with us today .Because 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 the future.提示；can 只有现在和过去时（could） be able to可用于任何时态中。（四）cant 与mustnt cant 表“不可能”。mustnt表“禁止，不许”。,Can/am able to,could/was able to,will be able to,24,1（2009.德州)-How is your friends coming? -Im not sure. He _drive here. A may B. can C. must D. will 2(2008. 江西)If the traffic is red ,you _cross the road .Its very dangerous . A dont B. mustnt C. neednt D. wouldnt,boys against girls,A,B,25,3.(2009.江西)-Susan has bought a large house with a swimming pool. -It _be very expensive, I never even dream about it . A must B. might C .cant D. shouldnt,A,26,5.(2010 江西） -How was the youth club last night ,Mark ? -It was great fun .You _come. A must B. can C. should D. may 6.（2006.威海）He needs _her the truth, the flowers need_. A. to tell, watered. B tell, to water C. tell, watered D to tell ,watering,C,D,27,7.（2008.上海）-would you like to come to my birthday party? -Id love to .But I _look after my sister. A.must B. can C. have to D. need to 8.(2009.成都）-what would you send to your sister as the Chritmas gift? -I havent decided yet .I_ send her a hand bag. A. shall B. may C. need D. must,C,B,28,9.(2009.天津）-shall I tell Bob the news? -No, you _,Ive told him already. A. shouldnt B. wouldnt C. mustnt D. neednt10.(2007.武汉）wed better _at home .The sun is shining. A. stay B not stay C. staying D. not staying,D,B,29,1.-Mum ,may I watch TV now ?-sure ,but you _help me with my English. A. can B. may C. must D. could2.Alice ,please be quiet! The others _hear clearly. A. cant B. neednt C. shouldnt D. mustnt,Homework,C,A,30,3.-Whos that under the tree ?Is it Jenny ?-It _be Jenny .Shes ill in the hospital today. A. cant B. must C. may D mustnt4.-Must I finish writing the article now ,sir?-No ,you _.But you must finish it before next class. A mustnt B. may not C cant D. neednt,A,D,31,Thank you for listening！,32,