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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,恒谦教育,*,Modal Verbs,Unit 1,Modal Verbs Unit 1,10 十一月 2024,2,情态动词表示说话人的某种,感情或语气，对某一动作,或状态的某种态度。,表示,“,需要、可以、,必须、应当,”,等。,什么是情态动词？,(Modal Verbs),can/could,may/might,must/have to,shall/should(ought to),will/would,need,dare/dared,04 十月 20232情态动词表示说话人的某种什么是情态动词,10 十一月 2024,3,1,.,can,的主要用法是：,A.,表能力,eg.The girl,can,dance very well.,be able to,通过努力做成某事,He was able to reach Mount Qomolangma in 2000.,B.,表示说话者的推测,事物的可能性,:(,否、疑）,eg.,Can,the news be true?,C.,在口语中,can,可以表示请求或允许,：,eg.,Can,I sit here?,can,和,could,04 十月 20233 1.can的主要用法是：can和c,10 十一月 2024,4,2,.,could,的主要用法是：,A.could,是,can,的过去式,表示与过去 有关的能力和推测,:,We all knew that the young man,couldnt,be a doctor.,B.could,可以代替,can,表示请求,但语气较,can,客气、委婉,:,could,提问，答语用,can,-,Could,I borrow your pen?,-yes,you,can,.,04 十月 202342.could的主要用法是：,10 十一月 2024,5,may,常用来表示：,1.,在正式文体中表示请求、允许（,比,can,正式）,：,:,eg.,May,I come in?,You,may,go now.,2.,表示说话人的猜测,:“,也许”“可能”,:,通常只用于肯定句和否定句中。,The guest,may,arrive this afternoon.,-Can he attend the meeting?,-Yes,he_.I am,not sure,.,may,和,might,may,04 十月 20235may 常用来表示：may和might,10 十一月 2024,6,在肯定句中，,may,的可能性比,can,高，,may,表示现实的可能性，,can,表示理论上的可能性。如：,The road,may,be blocked.,Man,can,live 120.,在否定句中,may not,可能不,can not,不可能；准不会,He may not be at home.,他可能不在家。,He can not be at home.,他不可能在家。,04 十月 20236 在肯定句中，may 的可能性比ca,10 十一月 2024,7,3.,表示祝愿,位于句首,eg.,May,you succeed!,May,you have a good journey!,4.may as well=had better do,(,最好做某事）,You,d better,take notes carefully.,You,may as well,take notes carefully.,04 十月 202373.表示祝愿,位于句首,10 十一月 2024,8,will,和,would,will,是助动词,还,是情态动词？,will,用于构成将来时是助动词。,eg.I,will,tell you something important.,我要告诉你一件重要的事情。,情态动词：,1.,表意愿或意志，可用于多种人称,I,will,never do it again.,If you,will,marry me,whatever I have is yours,and yours is yours.,04 十月 20238will和wouldwill是助动词还,10 十一月 2024,9,2.,提出 请求或建议,在疑问句中用于第二人称。,eg:If you want help,let me know,will,you?,Will,you type this,please?,祈使句问句与答语一般用,will,Open the door,will,you?,-Please come to my party.,-Yes,I,will,3.,表习惯或必然结果,Fish,will,die without water.,I,will,go to see my former classmates on weekends.,04 十月 20239 2.提出 请求或建议,在疑问句中,10 十一月 2024,10,would&used to(,过去常常，习惯于）,would,现在有可能做，也有可能不做,used to,现在一定没有做,There,used to,be a big tree.,I,would,go to the library when I was free.,I _ to cry when I was a child.,used to,04 十月 202310would&used to(过,10 十一月 2024,11,shall,和,should,shall,用法,1.,shall,表征求意见，用于一三人称 疑问句中,Shall,we go by train,Mom?,Shall,he attend the meeting?,2.,用于二 三人称 的陈述句中，表威胁警告命令允诺等语气,You,shall,get a present when I came back.,You,shall,be punished if you break the rules.,04 十月 202311shall和should shall,10 十一月 2024,12,should,用法,应该,=ought to,You,should,study hard.,2.,表万一，多位于句首。,Should,he come,I would let you know.,3.“,居然”，“竟然”,表说话人意料之外。,针对现在,-should+V,原,针对过去,-should have done,To my surprise,he,should,be a thief.,He,should,have lied to me yesterday.,04 十月 202312should 用法,10 十一月 2024,13,must,的主要用法,1.,必须。,must,表主观,“,必须”,have to,表客观,“,不得不”,I,must,go home this Saturday.,Ive got a cold,so I have to see a doctor.,-,Must,I stay here?,-Yes,you,must./,No,you,neednt.,/you,dont have to.,mustnt,表禁止，不准，一定不要。,You mustnt play with fire.,You mustnt take drugs.,04 十月 202313must的主要用法1.必须。mus,10 十一月 2024,14,2.,表“偏要”“偏偏”，违背说话人意愿。,Must,you talk in class?,-How much do you earn?,-Ill tell you if you,must,know it.,3.,一定，肯定,He,must,be crazy.,He,must,have stayed up last night.,4.,表推测的反应，反义疑问句中不能出现,must,的形式，反义形式取决于句中时态,04 十月 2023142.表“偏要”“偏偏”，违背说话人,10 十一月 2024,15,1.He must be my English teacher,2.You must go shopping next week,3.He must have finished his homework,4.It must have rained yesterday,isnt he?,wont you?,hasnt he?,didnt it?,04 十月 2023151.He must be my En,10 十一月 2024,16,need&dare(dared),情态动词：,need/dare do sth,need/dare not do sth,实意动词：,need/dare to do sth,dont/doesnt/didnt dare to do sth,（无三单形式）,04 十月 202316need&dare(dared,10 十一月 2024,17,1.Being afraid of making mistakes,he _ answer his teachers question,A.doesnt dare,B.doesnt dare to,C.darent to D.not dare to,2.Having failed the exam.The little boy _go home and face his mom.,A.dares not to B.dares not,C.dare not to D.dare not,04 十月 2023171.Being afraid of,10 十一月 2024,18,情态动词,+have done,should/ought to have done,shouldnt have done,must have done,cant/couldnt have done,could have done,need have done,neednt have done,(,针对过去）,04 十月 202318情态动词+have done(针对,10 十一月 2024,19,1 Children under 12 years of age in that,country _ be under adult,supervision when in a public library.,(2004,上海）,A.must B.may,C.can D.need,直击高考,04 十月 202319 1 Children under,10 十一月 2024,20,2,Some aspects of a pilots job_ be,boring,and pilots often _ work at inconvenient hours.,（,2006,湖南）,A.can,；,have to,B.may,；,can,C.have to;may,D.ought to;must,04 十月 2023202 Some aspects of,10 十一月 2024,21,3The weather turned out to be fine,yesterday.I _ the trouble to carry,my umbrella with me.(2006,江西）,A should have taken,B could have taken,C neednt have taken,D mustnt have taken,04 十月 2023213The
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