中考情态动词复习

1、,Welcome to English Class!,宁夏平罗县第四中学 王燕,MODEL,VERBS,Welcome to,Nice to meet you!,He is sleeping.But I,Were late for school.,Whats this?,It may/might be a basketballball.,It must be a ball.,情态动词,有一定的词义，但词意不完整,不能单独作谓语，必须和实义动词连用,表说话人对某一动作或状态的态度和看法。情态动词后面跟动词原形，没有人称和数的变化。,常见情态动词,1)can和could,表能力,表请求、 允许,表

2、推测 (否、疑),could,1)He could write poems when he was ten. 2)She couldnt understand me at that time 3)Could I ask you a question?,表过去 能力,表委婉请求,can和be able to表示能力时用法相同。can 只有现在和过去时，而be able to则有更多的 时态形式。表经过努力,成功地完成某事，通 常不用can,而用be able to (相当于manage to/ succeed in doing sth)。,The wounded man _get to the

3、village and was saved in the end. A. could B. was able to,can/could,be able to区别,2）may与might,may,用法,表请求 许可,肯定句 表推测,might,1)He is away from school.He might be sick.,表推测 可能小,3)must/have to,must,例句,用法,1)You must stay here until I come back. 2)Must I hand in my homework right now? No,you neednt./dont ha

4、ve to. Yes,you must.,3)The light is on,so he must be at home now. 4)It must have rained last night.,表主观 看法,肯定句 表推测,have to,1)Its too late,I have to leave now. 2)You wont have to wait for me.,表客观 需要,have to表客观上的需要,可用于现在时、将来时和过去时。Must表个人意志和主观上的需要，用于现在时和将来时;表规章制度Must为必须,mustnt为禁止,回答must问句,肯定用must,否定用ne

5、ednt或dont /doesnt have to表不必;must还表示肯定的推测。,用Must,have to填空 1.I know I _ study hard. 2.My mother is ill. I _ look after her at home.,Must,have to区别,must,have to,can,may/might,must表推测,Can用于否定句和疑问句,相当于be impossible; may/might 相当于be not certain,用于肯定句, might可能性低于may;must相当于be certain, 表有把握的揣测 。,用can,may/

6、might,must填空 1.Please ask that man.He _ know that. 2.The light is on,so he _ be at home. 3.It _ be Wei Fang.She is at school now. 4.Are you coming to Jeffs party? Im not sure.I_go to the concert instead.,may,must,cant,might,4)need,1)Need作情态动词时,表“必要”,多用于否定句或 疑问句,一般不用于肯定句。回答need问句,肯定 用must,否定用neednt。

7、No,you neednt. Need I stay here any longer? Yes,you must. We neednt hurry.,2)need作实义动词,有人称、数和时态变化,后多接 动词不定式。 He needs a new coat.,用Need的适当形式填空。 1)He _ money now. 2)_ she _ to bring the book here? 3)We _ work that day.(not) 4)The boy _ any help.(not ),needs,Does,need,neednt/didnt need to,doesnt need,

8、5)shall和should,Shall,例 句,1)Shall we go out for a walk? 2)What shall we drink?,用法,征求对 方意见,should,1)We should protect our environment. 2)You should do it better next time.,劝告建议 义务责任,用shallshould填空。 1.When_we meet? 2.You_see a doctor.,shall,should,Would you like to do sth? Yes, Id like/love to. Sorry ,

9、 I have to do sth. I cant.,Would you like sth? Yes, please./All right./Ok. No, thanks.,Would句型巧回答,日常生活中常用would问句,向对方礼貌地提出建议或邀请,我们尤其要注意口语交际中它的回答。,7)had better,1)We had better go now. 2)You had better not give the book to him.,had better,建议(最好 做某事),When you are sleeping,you had better_ All your window

10、s closed.(江苏南通) dont keep B. not keep C. Not to keep D. not keeping,注意:had better有强硬命令的语气,对长辈不宜使用,6)will/would,will,1)I will help you if I am free this afternoon.,例句,用法,意愿意 志打算,would,1)I told him that I would go along with him.,2)Would you please not smoke here?,3)When I was a child,I would go swim-

11、 Ming with other children in summer.,4)I would have two wings and then fly to the moon.,主观愿意,征求意见,过去习惯,未来想象,情态动词考点揭密,问句及否定回答,1.-Dad,must I finish my homework today？ -No，you _.you may finish it tomorrow.(2010朝阳) A. neednt B. mustnt C. dont D. wont 2.-May I put my bike here? (2010广安) -No,you _.You sho

12、uld put it over there. A. may not B. mustnt C. neednt,解答锦囊 掌握情态动词问句的回答： May I?Yes, may. No,mustnt/cant. Must I?Yes, must. No,neednt/dont have to.,表示推测,1.-Is Mr. Brown driving here？(2010安徽) -Im not sure . He_come by train. A. may B. can C. need D. must 2.-Whos that boy reading in the garden? Is it Da

13、vid?(2010重庆) -It _be David . I saw him in the classroom just now. A. must B. cant C. may D. neednt 3.Im sure this book_Li Leis,because there is his name on it.(2010吉林) A.cant be B.may be C.might be D. must be,解答锦囊 掌握推测用法:肯定可能性由Mustmaymight逐步递减 ;Cant则用于否定句、疑问句。,1.-Lisa,_you speak French？(2010南京) -Yes

14、,but only a little. A. may B. can C. need D. must 2.-_I use your mobile phone?(2010北京) -Certainly.Here you are. A. May B. Must C. should D. need 3.-Mum,can I go to the movies today? (2010长沙) -No,but you_finish your schoolwork first. A. can B. cant C. must D. neednt,解答锦囊 掌握基本用法:can表能力,may表许可,must表义务。,基本用法,真题演练,1.-Is Lucy knocking at the door?(2010长沙) -No.It _be Lucy. She is in Japen. A. neednt B. must C. cant 2.-Have you seen my glasses?I_find them. -sorry,I havent seen them.(2010武汉) A. cant B. shouldnt C. wont D. mustnt 3.When traffic lights are red,we_stop and wait.(2009南京) A. may B. ca