最新高考英语语法情态动词[公开课件]课件ppt.ppt

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1、高考英语语法情态动词[公开课件]SceneOneWhenyoulostyourwayinastrangeplace,youmayaskthepoliceorapasser-byfordirections.Youwillsay:_______youtellmethewaytotheGrandHotel?SceneTwoYouneedtolookupanewwordbutyou’veleftyourdictionaryathome.Youcanborrowonefromyourclassmate.Youwillsay:____

2、___Iborrowyourdictionary?SceneSixYou’vemadeanewforeignfriendandyouaskhim:_______youspeakChinese?CouldyoupleasetellmethewaytotheGrandHotel?MayIborrowyourdictionary?IthinkyoushouldlistentoEnglishprogramasoftenaspossible.Well,hemustbeathome.Youmust/havetostudyhard.Ca

3、nyouspeakChinese?1.Weusemodalverbstotalkabout:1.Ability（能力）2.Obligation（义务）3.Certainty（可能性）4.Permission（允许）2.Wealsousemodalverbsto:5.Makerequests（提出请求）6.Makesuggestions（提出建议）7.Makeoffers（提供帮助）8.Giveadvice（提出意见）1.Ability(能力):LiuXiangcanrunthe110mhurdleracewithin13s

4、econds.can/could:1.can一般表示与生俱来的能力或者一种客观可能性(理论上的),还可以表示请求和允许。LearningEnglish_____bedifficult.canMancannotlivewithoutair._______Iuseyourbike?Cancan/could:2.在疑问句中，用could可表示请求，语气较委婉。—____Ihavethetelevisionon?—Yes,you_____./No,you_____CouldHeasksifhe____smokehere.could

5、can/maycan’t/I’mafraidnotcan/could:3.表示惊异、怀疑、不相信的态度。（主要用在否定句、疑问句或惊叹句中）He’ssuchanicepersonthathe______committhecrime.can’t你怎么会如此地粗心！Howcanyoubesocareless!Canthisbetrue?Attention:can/beableto区别:Edisonalwayswonderedwhyhenscouldhatch(孵)chickenswhilehewasnotableto.Ques

6、tion:Arethetwomodalverbsinterchangeable(互换)?Ifnot,why?can表示与生俱来的能力或一种客观可能，而beableto更加强调通过后天的学习和努力获得的能力，或者在某个客观的场合和背景下，能做到的事情。Attention:can/beableto区别:AbigfirebrokeoutinABChotelyesterday.Luckily,everyone__________runoutofthebuilding.wasableto2.She_____speakbothEngl

7、ishandFrench.canShiDongpengmightwinamedalattheOlympicGames.Althoughthechanceofwinningamedalissmall,I’lltrymybest!2.Certainty(可能性):Attention:veryuncertainalmostcertainmightshouldmustmaycouldoughttowill1.He_____beathome.2.He_____beathome,forhejustcalledmefromhishome

8、15secondsago.A.mayB.mightC.mustA.mayB.mightC.must(can)must表示肯定的猜测，译为“一定”，不能用于否定句或疑问句。Thismustbeyourpen.Hemustbedoinghishomeworknow.Hemusthavearrivedalre