情态动词的用法ppt课件.ppt

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1、Unit 1Modal Verbs(I)Period 5:GrammarPeriod 5:GrammarLeaching aims:1.Get to know more about Modal Verbs.2.Understand the usage of them and put them into use.备课时间：备课时间：19周；周；议议课时间：课时间：1月月5日；日；授课时间：第一周授课时间：第一周主备人：邓婵主备人：邓婵Modal VerbI Want To Be With You There are things that _ be done That are not yet b

2、egun Things that I _ do When I want to be with you Although we are far apart You _ be with me in my heart No one else _ do I just want to be with you I want to be with you _ you hear me?I need you near me I want to be with you I need you near me,my love mustmustwillwillCantThe two of us are one Moth

3、er of my son No one else _ do I just want to be with you I want to be with you _ you hear me?I need you near me I want to be with you I need you near me,my lovewillCan情态情态动词动词用法用法例句例句can与与could 表示能力表示能力。Some of us can use the computer now,but we couldnt last year.我我们中们中一些人现在会用电脑了，但一些人现在会用电脑了，但我们去年还不

4、会。我们去年还不会。表示客观的可能表示客观的可能性性。Anyone can make mistakes.任任何人都可能犯错。何人都可能犯错。情态动词一、can 与 could情态情态动词动词用法用法例句例句can与与could表示允许。表示允许。Can/Could I go now？我我 现在可以走了吗？现在可以走了吗？Yes,you can.是的，可以。是的，可以。表示请求，口语中常表示请求，口语中常用用 could 代替代替 can，使使语气更加委婉。语气更加委婉。Could you please show me theway to the station？请请 问问 你你 能告诉我到车站

5、怎么走吗？能告诉我到车站怎么走吗？表示惊异、怀疑、不表示惊异、怀疑、不相信的态度相信的态度(主要用主要用于否定句、疑问句和于否定句、疑问句和感叹句中感叹句中)。Can this news be true？这消？这消息息是真的吗？是真的吗？How can you be so foolish！你！你怎么这么傻！怎么这么傻！情态情态动词动词用法用法例句例句may与与might表示可能性。表示可能性。I may be busy from tomorrow on.表示允许、许可时，表示允许、许可时，might 比比 may 语气委语气委婉。否定答语一般要婉。否定答语一般要用用 mustnt 或或 can

6、t，表示表示“禁止、阻止禁止、阻止”之意。之意。May/Might I watch TV aftersupper？晚饭后我可以看电？晚饭后我可以看电视吗？视吗？Yes,you may./No,youmustnt(cant)是的，可以。是的，可以。/不，不行。不，不行。表示祝愿，语气较为表示祝愿，语气较为正式。正式。May you succeed.祝你成功。祝你成功。二、may 与 might情态情态动词动词用法用法例句例句will与与would用于表示意志或意愿。用于表示意志或意愿。will指现在，指现在，would 指过去。指过去。I will never do that again.我不我

7、不再那样干。再那样干。They said that they would help us.他们说会帮我们。他们说会帮我们。在疑问句中用于第二人称在疑问句中用于第二人称时，表示请求、建议等，用时，表示请求、建议等，用 would 比用比用 will 语气要委婉、语气要委婉、客客气些。气些。Will/Would you please take a message for me？你能帮我捎？你能帮我捎个口信吗？个口信吗？表示习惯性或倾向性动作，表示习惯性或倾向性动作，译为译为“总是总是”、“惯于惯于”。will 表现在，表现在，would 表过去。表过去。Fish will die without

8、water.没没 有水鱼就会死掉。有水鱼就会死掉。Every evening,she would sit by the window,deep in thought.每每个傍晚她总是坐在窗边沉思。个傍晚她总是坐在窗边沉思。三、will 与 would情态情态动词动词用法用法例句例句shall与第一人称连用，表示与第一人称连用，表示意图或决心，否定形式意图或决心，否定形式为为shant。I shall be back in minutes.Please wait for a moment.我一会儿就会回来，请我一会儿就会回来，请稍等一下。稍等一下。用于第一、第三人称疑用于第一、第三人称疑问句中，

9、表示说话人征问句中，表示说话人征求对方的意见。求对方的意见。What shall I/we do next？我？我(们们)下一下一步该做什么？步该做什么？When shall my brother be able to leave hospital？我哥哥什么时候可以？我哥哥什么时候可以出院？出院？用于第二、第三人称的用于第二、第三人称的陈述句中，表示说话人陈述句中，表示说话人给对方的命令、警告、给对方的命令、警告、允诺或威胁。允诺或威胁。You shall go with me.(命令命令)你跟我走。你跟我走。You shall have a new dress for your birth

10、day.(允诺允诺)你在生日时会得你在生日时会得到一件新衣服。到一件新衣服。He shall be punished.(威胁威胁)他会受到他会受到惩罚的。惩罚的。四、shall,should 与 must情态情态动词动词用法用法例句例句should表示劝告或建议，表示劝告或建议，作作“应该应该”讲。讲。We should be strict with ourselves.我们应严格要求自己。我们应严格要求自己。“why/howshould”表示说话人对某表示说话人对某事不能理解、感事不能理解、感到惊异等意到惊异等意Why should you be so late today？你今天怎么来得这

11、么晚？你今天怎么来得这么晚？I dont know why you should think that I did it.我真不明白你竟然认为这件事我真不明白你竟然认为这件事是我干的。是我干的。情态情态动词动词用法用法例句例句should在在 suggest,demand,desire,insist,order,require,command等表示建议、要求、等表示建议、要求、命令等的从句中，常命令等的从句中，常用用“should动词原动词原形形”动词构成的宾语从句动词构成的宾语从句和主语构成虚拟语气，和主语构成虚拟语气，且且should 常可以省略。常可以省略。His father sugg

12、ested he(should)stay in that position for two years.父亲建议他在那个职位上父亲建议他在那个职位上待两年。待两年。It is desired that the bridge(should)be built in two years.期待两年内建成这座桥。期待两年内建成这座桥。情态情态动词动词用法用法例句例句must表示表示“必须；一定要必须；一定要”，可用于肯定句、，可用于肯定句、否定句和疑问句。否定句和疑问句。must 的否定形式为的否定形式为 mustnt，意为，意为“禁止禁止”；对；对 must引导的引导的 一般疑问的否定回答一般疑问的否

13、定回答不能用不能用 mustnt，而，而要用要用 neednt。You mustnt do that,because you must keep your word.你不能那么做，因为你得你不能那么做，因为你得遵守诺言。遵守诺言。Must I finish it now？我得现在做完吗？我得现在做完吗？No,you neednt.不，不不，不用。用。1._ I have a word with you?It wont take long.(2014北京北京)A.Can B.Must C.Shall D.Should 2.Although you _ find bargains in Londo

14、n,its not generally a cheap place to shop.(2014大纲大纲)A.should B.need C.must D.can I.Choose the best answer.走进高考走进高考3.-Ive prepared all kinds of food for the picnic.-Do you mean we_ bring anything with us?(2014湖南湖南)A.cant B.mustnt C.shant D.neednt 4.It was sad to me that they,so poor themselves,bring

15、me food.(2014江苏江苏)A.might B.would C.should D.could 5._ you interrupt now?Cant you see Im on the phone?Sorry Sir,but its urgent.(2012重庆重庆)A.Can B.Should C.Must D.Would6.One of our rules is that every student _ wear school uniform while at school.(2012辽宁辽宁)A.might B.could C.shall D.will 7.My mom sugge

16、sts that we _ eat out for a change this weekend.(2013陕西陕西)A.should B.might C.could D.would 8.What are you doing this Saturday?Im not sure.but I _ go to the Rolling Stones concert(2013重庆重庆)A.must B.would C.should D.might 9.(10湖南湖南23)You _ buy a gift,but you can if you want to.A.must B.mustnt C.have t

17、o D.dont have to10.(10江西江西23)I have told you the truth._ I keep repeating it?A.Must B.Can C.May D.Will DA11.Some people who dont like to talk much are not necessarily shy;they _ just be quiet people.(2009安徽卷安徽卷)A.must B.may C.should D.wouldB12.One of the few things you _ sayabout English people with

18、 certainty is that they talk a lot about the weather.(2009北京卷北京卷)A.need B.must C.should D.canD13.Its the office!So you _ know eating is not allowed here.Oh,sorry.(2009湖南卷湖南卷)A.must B.will C.may D.need14.What do you mean,there are only ten tickets?There _ be twelve.(2009 全国卷全国卷I)A.should B.would C.wi

19、ll D.shallAA15.I cant leave.She told me that I _ stay here until she comes back.(2009 全国卷全国卷II)A.can B.must C.will D.mayB16.It _ have been Tom that parked the car here,as he is the only one with a car.(2009上海卷上海卷)A.may B.can C.mustD.shouldC用适当的情态动词填空用适当的情态动词填空1Some people who dont like talking much

20、are not really shy;they _ just be quiet.may/might2.What do you mean that there are only ten tickets?There_ be twelve.3_ you have some wine?must4Jane _ be in the classroom.I saw her there just now.5I cant leave.She tells me that I _ stay here until she comes back.shouldmustWill/Would6It must be John.

21、He is in the office.Im sure it _ be John.I saw him at the station fivecant Sorry,I _.I have to take a piano lesson at 2 pm.8 It will be a long time before our next term.You _minutes ago.7.Could you please come to the museum with me thisafternoon?cantcome and visit us more often.should9 I havent deci

22、ded where Im going for my holiday.I_ go to Australia.may/might10My fathers birthday is coming.What _ I give him?11 He found he _(not)move even an inch after hewas bitten by the snake.couldnt can12Where is my watch?I really cant find it.Where _it be?should13The doctor told the old man that he _ avoid

23、 eating fat.14Its too late.I think he _ go to bed.15_ you mind my troubling you with a few questions?shall mustWould 1.ability,ability,permission,possibility,request Ex.2 2.permission or request,possibility 3.promise or prediction,past habit,request 4.promise,advice,prediction 5.advice or necessity,guessing,guessing