常见情态动词七大考点省公共课一等奖全国赛课获奖课件.pptx

高三语法复习之高三语法复习之情态动词情态动词（七个考点）（七个考点）第1页惯用情态动词惯用情态动词can（could）may（might）shall（should）will （would）must（must）dare（dared）need（need）have to ought to be able toused tohad better第2页在情态动词使用中在情态动词使用中,我们要注意以下考点我们要注意以下考点:1.表示推测情态动词使用。表示推测情态动词使用。2.表示征求情态动词使用方法。表示征求情态动词使用方法。3.虚拟语气中情态动词使用。虚拟语气中情态动词使用。4.情态动词短语使用情态动词短语使用5.Dare 和和 need 使用方法。使用方法。6.情态动词特殊使用方法情态动词特殊使用方法7.部分情态动词问与答部分情态动词问与答第3页1.1.表示推测表示推测情态动词主要使用方法情态动词主要使用方法.1.我当初没有听到电话，我必定是睡着了我当初没有听到电话，我必定是睡着了I didnt hear the telephone then.I must have fallen asleep then.2.他现在不可能在家。他现在不可能在家。He cant be at home now.3.他可能正在考虑这个问题。他可能正在考虑这个问题。He may be thinking about the problem.第4页 必定，一定必定，一定 可能，可能可能，可能 不可能不可能 可能吗？可能吗？must 对对 现在状态现在状态 对现在正在对现在正在 对过去对过去情态动词情态动词may,might cant,couldntcan,could +do.常见常见must be +do.+have done +be doing 能够用能够用not表示表示“可能不可能不”+do.+have done +be doing+do.+have done +be doing+be doing+have done第5页区分区分Cant(can not)May notIs Tina leaving by bus?She should,but she _ not.A must B may C need D can不可能不可能(必定不必定不)可能不可能不第6页经典错误经典错误经典错误经典错误1.He mustnt be in the classroom.()Cant2.You might leave the bag on the bag.()might have left3.You must have seen the film last week,havet you?()didnt you 4.Li ming must have been to Japan,didnt he?(hasnt he)第7页1.-Are you coming to Jeffs party?-Im not sure.I _ go to the concert instead.A.must B.would C.should D.mightD2.Sorry,Im late.I _ have turned off the alarm clock and gone back to sleep again.A.might B.should C.can D.willA第8页3.My English-Chinese dictionary has disappeared.Who _ have taken it?A.might B.must C.could D.wouldC第9页 表示表示 征求征求:2.2.表示征求意见情态动词使用方法。表示征求意见情态动词使用方法。1.Can,may,might,could 各种人称各种人称could,might 提问语气婉转，回答用提问语气婉转，回答用can,may2.Will,would 用于第二人称。用于第二人称。Will you join us in singing?3.Shall 第一，三人称第一，三人称Shall I lead him to your office?第10页1.Could I borrow your dictionary?Yes,of course you _.A.might B.will C.can D.should2.Might I watch TV after supper?Yes,you _.A.may B.must C.might D.canC A 第11页3.-The room is so dirty._ we clean it?-Of course.A.Will B.Shall C.Would D.DoB第12页3.3.用于虚拟语气情态动词用于虚拟语气情态动词:should/ought to have done shouldnt/oughtnt to have done might/could have doneneednt have done本应该做本应该做（但事实没做）（但事实没做）原来不应该做原来不应该做（但事实却做了）（但事实却做了）原来能够做原来能够做（但事实没这么做）（但事实没这么做）原来不需要做原来不需要做（但事实却做了）（但事实却做了）第13页1.I was really anxious about you.You _ home without a word.A.mustnt leave B.shouldnt have left C.couldnt have left D.neednt leave2.There was a lot of fun at yesterdays party.You _ come,but why didnt you?A.must have B.should C.need have D.ought to haveBD第14页3.I stayed at a hotel while in New York.-Oh,did you?You _ with Barbara.A.could have stayed B.could stayC.would stay D.must have stayed4.I told Sally how to get here,but perhaps I _ for her.A.had to write it out B.must have written it outC.should have written it out D.ought to write it outAC第15页5.As it turned out to be a small house party,we _ so formally.A neednt dress B.didnt have to dress upC.might not have dressed up D.neednt have dressed upD第16页4.4.情态动词短语使用情态动词短语使用:Cant/couldnt too Cant/couldnt enough Cant help doing Cant help do May/might as well do 第17页would like/love to dowould rather dowould rather+sb.+did/had done sth.would prefer to do.had better do.宁愿宁愿第18页v1.过马路时再怎么小心也不为过。过马路时再怎么小心也不为过。v2.听到这个消息，孩子们情不自禁跳起听到这个消息，孩子们情不自禁跳起 来。来。v3.我宁愿你明天不要参加这个会议。我宁愿你明天不要参加这个会议。You cant be too careful when crossing the street.Hearing the news,the children couldnt help jumping.I would rather(that)you didnt attend the meeting tomorrow.第19页改错改错:1.Would you like having some tea?2.I would prefer going to the lecture this evening.3.Id rather you to go to the meeting next time.4.He would rather to die than to give in.5.Youd better to have your hair cut today.Would you like to have some tea?Id prefer to go to.you went to.He would rather die than give in.Youd better have.第20页1.作为情态动词用，惯用在否定句和疑问句中作为情态动词用，惯用在否定句和疑问句中。疑问句：疑问句：Dare(need)+主语主语+动词原形动词原形否定句：主语否定句：主语+darent(neednt)+动词原形动词原形I darent walk through the forest at night.Dare you walk through the forest at night?You neednt return the book now.Need he go yesterday?5 可兼做行为动词情态动词：可兼做行为动词情态动词：need、dare 第21页2.dare,need作实义动词用，用于必定，否定，作实义动词用，用于必定，否定，疑问句，疑问句，有些人称、时态、和数改变有些人称、时态、和数改变,后后+to do。He dares to go there by himself.He has grown up,we dont need（to）worry about him.3.Sth need(want,require)+doing/to be done The house needs cleaning/to be cleaned The boy needs sending to the hospital at once.第22页1.判断正误判断正误:How dare you say such 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?ExercisesExercises第23页1.-Dare you go out at night?-_.A Yes,I do B No,I dare not C No,I dont D Yes,I dare to 2.I wonder how he _ that to the teacher.A.dare to say B.dare saying C.not dare say D.dared sayBD第24页6.几个情态动词特殊使用方法几个情态动词特殊使用方法1.Can 表示表示诧异诧异“怎么能怎么能”How can you be so rude？2.Must 表示表示“偏偏，一定要偏偏，一定要”Tom,you must play the piano in the deep night.3.Should表示诧异表示诧异“竟然，竟然竟然，竟然”4.will/would 表示经常性习惯性动作表示经常性习惯性动作“经常经常”wont,wouldnt 表示表示“怎么也不怎么也不”第25页翻译：翻译：1.Must you make so much noise?2.Why must you always argue with me?3.You can never imagine an honest boy like Thomas should cheat in the exam.4.However hard I tried,the door wouldnt open.第26页Shall用于第二、第三人称，有用于第二、第三人称，有“命令、警告、允命令、警告、允诺诺”等意思等意思You shall return the book before Monday.You shall fail if you dont work harder.You shall get promoted if you work harder.命令警告允诺第27页 1.To our surprise,the painting drawn by him _ win the prize!A would B could C should D might2.May I turn on the TV set?If you _,turn it down a little.A should B could C may D must第28页3.You cant imagine such a gentleman_treat an old man like that.A.should B.will C.need D must 4.How _ you say that you really understand the whole story if you have covered only part of the article?A.can B.must C.need D.mayAA第29页5.When he was there,he _ go to that coffee shop at the corner after work everyday.A.would B.should C.had better D.mightA第30页7、部分情态动词问与答、部分情态动词问与答 1）Need I?Yes,you must.No,you neednt.2)Must I?Yes,you must.No,you neednt.(No,dont have to.)3)May I?Yes,you may.=Yes,certainly/of course.No,you may not.第31页(4)Could I?Yes,you can.No,you cant.(5)Might I?Yes,you may.No,you may not.第32页Guess their meaning?Guess their meaning?部分情态动词否定式是情态动词中考点之一部分情态动词否定式是情态动词中考点之一 mustnt neednt cant may not shouldnt 不准不准,禁止禁止 没必要没必要(=dont have to)不能不能;不可能不可能不能够不能够;可能不可能不不应该不应该(=ought not to)第33页Have a try!第34页4.Hewasagoodswimmersohe_swimtotheriverbankwhentheboatsank.A.couldB.mightC.shouldD.wasableto6.-_thisbookbeyours?-No,it_notbemine.It_behis.A.Can,must,mayB.May,might,must C.Can,may,mustD.Must,can,may10.Youmustbefifty,_?A.mustntyouB.needntyouC.arentyouD.mayntyou1.He was a good swimmer so he _ swim to the river bank when the boat sank.A.could B.might C.should D.was able to 2.-_ this book be yours?-No,it _ not be mine.It _ be his.A.Can,must,may B.May,might,must C.Can,may,must D.Must,can,may第35页3.You must be fifty,_?A.mustnt you B.neednt you C.arent you D.maynt you4.He had known the matter before you told him,so you _ have told it to him.A.mustnt B.cant C.neednt D.shouldnt5.I did not call to make my airline reservation，but I _.A.should have B.may have C.have to D.should第36页6)The room is in a terrible mess;it _cleaned.A)cant have been B)shouldnt have been C)mustnt have been D)wouldnt have been 7)You should bear in mind that he is not so strong as he_.A)was used to be B)used to be C)was used to D)use to 8)_ you continue in your efforts and achieve new and greater successes.A)Would B)Will C)May D)Should 第37页