河南省新密一高高三英语语法专项复习 情态动词 课件.ppt

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1、语法法专题情态动词的用法情态动词的用法2021/8/8 星期日1情态动词的基本用法特点情态动词的基本用法特点1）情态动词情态动词 除除 ought 和和 have 外，后面只能接外，后面只能接动词动词 原型原型。2）情态动词没有人称，数的变化，即情态动词第情态动词没有人称，数的变化，即情态动词第 三人称单数不加三人称单数不加-s。3）情态动词没有非谓语形式，即没有不定式，分情态动词没有非谓语形式，即没有不定式，分 词，等形式。词，等形式。2021/8/8 星期日2高中阶段都学过哪些情态动词呢高中阶段都学过哪些情态动词呢1 can/could/be able to2 may/might3 mus

2、t/have to4 shall/should5 will/would6 need/dare7 ought to2021/8/8 星期日31 can/could/be able to1 Some of us can use computers now,but we couldnt last year.（能力能力）2 It will be sunny in the day time,but it can rain later on this evening（客观可能性客观可能性）3-Can I go now?yes,you can（请求和允许请求和允许）4 Could you wait a fe

3、w days for the memory?（请求请求）5 1 Can this news be true?2 It cant be our headmaster.he has gone to Beijing.（表推测，主要用于否定和疑问表推测，主要用于否定和疑问）2021/8/8 星期日4 *be able to 能用于能用于各种时态各种时态。can/could 只能表示只能表示现在现在或或过去过去的能力的能力。*was/were able to:“设法做成某事设法做成某事”相当于相当于 managed to do sth.succeeded in doing sth.。1.can 与与be

4、 able to 有何区别有何区别？2021/8/8 星期日51.A computer _ think for itself;it must be told what to do.A.cant B.couldnt C.may not D.might not2.The fire spread through the hotel very quickly but everyone _ get out.A.had to B.would C.could D.was able toA D 3.They will _ run this machine on their own in three month

5、s.A.can B.could C.may D.be able toD 2021/8/8 星期日62 may/might1 May I watch Tv after supper?Yes you may/No,you mustnt.（请求许可请求许可)2 It may be true./she may come tomorrow/He might have some fever（推测推测）3 May you succeed!May you have many more days as happy as this one（祝愿祝愿）may/might as well 还是还是-好好we may

6、as well stay where we are2021/8/8 星期日75.Could I borrow your dictionary?Yes,of course you _.A.might B.will C.can D.should6.Might I watch TV after supper?Yes,you _.A.may B.must C.might D.canC A 2021/8/8 星期日83 must 语语 have to 的的 用法用法1 You must come to school on time.You mustnt waste any more time（必须（必须

7、,禁止）禁止）2 Must I come back before ten?Yes,you must.No,you neednt./dont have to3 It must be our headteacher.You must be hungry after a long walk.（推测（推测)4 I really must go now.I have to go now,because my mother is in hospital.(不得不）不得不）2021/8/8 星期日9He must be reading,_ he?You must do it yourself,_ you?H

8、e must have gone over the article,_he?It must have rained last night,_ it?3、表、表推推测语气的反意疑问句的构成测语气的反意疑问句的构成isntdonthasntdidnt另外另外must 还有偏偏一定要的意思还有偏偏一定要的意思why must you play the piano while othersare sleeping.2021/8/8 星期日107.You _ return the book now.You can keep it till next week if you like.A.cant B.m

9、ustnt C.neednt D.may not8.Johnny,you _ play with the knife,you _ hurt yourself.A.wont;cant B.mustnt;may C.shouldnt;must D.cant;shouldntC B 2021/8/8 星期日119.-Will you stay for lunch?-Sorry,_.My brother is coming to see me.A.I mustnt B.I cant C.I neednt D.I wont10.-May I pick a flower in the garden?-_.

10、A.No,you neednt B.Not,please.C.No,you mustnt D.No,you wontB C 2021/8/8 星期日124 shall 与与 should1用于一，三人称疑问句表示征求对方的意见用于一，三人称疑问句表示征求对方的意见和和 向对方请示向对方请示 Shall the driver wait?What shall we do next?2 用于用于 二二 三人称陈述句表示命令警告，允诺，三人称陈述句表示命令警告，允诺，威胁以及法律条文规定威胁以及法律条文规定You shall go with me/He shall be punished You sh

11、all have the book when I finish itAll the children shall go to school at the age of seven.2021/8/8 星期日133表示劝告和建议表示劝告和建议You should study hard.4 表推测表推测They should have arrived by two oclock5用于用于if 条件句表示万一条件句表示万一Ask Tom to ring me up if you should see him.Shoud I be free tomorrow,I will come.6 表竟然表竟然I

12、dont know why you should be so rude to your mother2021/8/8 星期日14Toms father promised,“You _have a new computer if you pass the coming examination,”A.can B.should C.shall D.mayC2021/8/8 星期日15-When can I come for the photos?I need them tomorrow afternoon.-They _be ready by 12:00.(A.can B.shouldC.might

13、 D.need B2021/8/8 星期日16You ought to have helped him with his English,_you?A.wont you B.ought not youC.shouldnt youD.wouldnt youC2021/8/8 星期日175 will 与与 would 的用法的用法1 表示意志和意愿表示意志和意愿I will never do it again.They said that they would help us.2 表请求，建议表请求，建议Will you please take a message for me?Would you

14、 please pass him the book?3 表功能表功能This machine wont work.4 表示习惯性动作与表示习惯性动作与used to有何区别有何区别Fish will die without water.Every evening,he would sit by the window.2021/8/8 星期日186 need 语语 dare的用法的用法既可做实意动词又可做情态动词。做情态动词用于既可做实意动词又可做情态动词。做情态动词用于否定和疑问句而做实意动词可用于肯定，否定疑问否定和疑问句而做实意动词可用于肯定，否定疑问How dare you say su

15、ch a thing?How dare you to say such a thing?He darent to speak English before such a crowd,did he?He darent speak English before such a crowd,dare he?2021/8/8 星期日19She _out alone at night.()A.dare not to go B.dares not go C.doesnt dare to go D.doesnt dares goC2021/8/8 星期日207 ought to 的的 用法用法1 表应该与表应

16、该与 should 的的 区别区别You ought to take care of him.You are his father.You ought to get him to receive good education2 表推测表推测He ought to be home by now.He must be home by now.2021/8/8 星期日21一一 情态动词情态动词+完成时表对过去的推测完成时表对过去的推测1 must have done（仅用于肯定句（仅用于肯定句)2 cant/couldnt have done(用于否定疑问句）用于否定疑问句）3 may have d

17、one（肯定，否定均可（肯定，否定均可)4 might have done（肯定，否定均可（肯定，否定均可)二二 表虚拟表虚拟1 should/could/would/might have done三三 neednt have done would rather have done had better have done 2021/8/8 星期日22Jenny _with him at that time,for I was having dinner with her in my home.()A.cant have been B.mustnt have been C.must be D.

18、may be A2021/8/8 星期日23 They are disappointed at the English party.They say that it _better organized.()A.had been B.had to beC.must have been D.could have beenD2021/8/8 星期日24-Did you walked home by yourself last night?-Yes,I did.But I think I _.()A.neednt B.shouldntC.may not have D.neednt haveD2021/

19、8/8 星期日258.We_last night,but we went to the concert instead.A.must have studied B.might studyC.should have studied D.would study9.There was plenty of time.She_.A.mustnt have hurried B.couldnt have hurriedC.mustnt hurry D.neednt have hurried10.Yesterday,Jane walked away from the discussion.Otherwise.

20、She_something she would regret later.A.had said B.saidC.might say D.might have said.CDD2021/8/8 星期日2611.-Did you scold him for his mistake?-Yes,but_it.A.Id rather not doB.Id better not doC.Id better not have doneD.Id rather have not doneD2021/8/8 星期日272021/8/8 星期日289、静夜四无邻，荒居旧业贫。2022/11/272022/11/27

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22、十一月 20222022/11/272022/11/272022/11/2715、比不了得就不比，得不到的就不要。十一月 222022/11/272022/11/272022/11/2711/27/202216、行动出成果，工作出财富。2022/11/272022/11/2727 November 202217、做前，能够环视四周；做时，你只能或者最好沿着以脚为起点的射线向前。2022/11/272022/11/272022/11/272022/11/279、没有失败，只有暂时停止成功！。2022/11/272022/11/27Sunday,November 27,202210、很多事情努力了

23、未必有结果，但是不努力却什么改变也没有。2022/11/272022/11/272022/11/2711/27/2022 2:13:36 PM11、成功就是日复一日那一点点小小努力的积累。2022/11/272022/11/272022/11/27Nov-2227-Nov-2212、世间成事，不求其绝对圆满，留一份不足，可得无限完美。2022/11/272022/11/272022/11/27Sunday,November 27,202213、不知香积寺，数里入云峰。2022/11/272022/11/272022/11/272022/11/2711/27/202214、意志坚强的人能把世界放

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26、20222022/11/272022/11/272022/11/2715、最具挑战性的挑战莫过于提升自我。十一月 222022/11/272022/11/272022/11/2711/27/202216、业余生活要有意义，不要越轨。2022/11/272022/11/2727 November 202217、一个人即使已登上顶峰，也仍要自强不息。2022/11/272022/11/272022/11/272022/11/27MOMODA POWERPOINTLorem ipsum dolor sit amet,consectetur adipiscing elit.Fusce id urna blandit,eleifend nulla ac,fringilla purus.Nulla iaculis tempor felis ut cursus.感感 谢谢 您您 的的 下下 载载 观观 看看专家告诉2021/8/8 星期日29