高考英语语法情态动词公开课件.ppt

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1、GrammarandUsageModalVerbsSceneOneWhenyoulostyourwayinastrangeplace,youmayaskthepoliceorapasser-byfordirections.Youwillsay:_______youtellmethewaytotheGrandHotel?SceneTwoYouneedtolookupanewwordbutyou’veleftyourdictionaryathome.Youcanborrowonefromyourclassmate.Youwillsay:

2、_______Iborrowyourdictionary?SceneThreeYourfriendaskyouforadviceonimprovingEnglishlisteningability,andyouwillsay:Ithinkyou____listentoEnglishprogramasoftenaspossible.SceneFourYougotovisitMr.Greenbutarenotsurewhetherheisathomeornot.Whenyouseethelighton,youwillsay:Well,h

3、e_____beathome.SceneFiveAsyouarestudentsnow,youoftenhearyourparentsandteacherssay:You_______________studyhard.SceneSixYou’vemadeanewforeignfriendandyouaskhim:_______youspeakChinese?CouldyoupleasetellmethewaytotheGrandHotel?MayIborrowyourdictionary?Ithinkyoushouldlisten

4、toEnglishprogramasoftenaspossible.Well,hemustbeathome.Youmust/havetostudyhard.CanyouspeakChinese?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

5、帮助）8.Giveadvice（提出意见）1.Ability(能力):LiuXiangcanrunthe110mhurdleracewithin13seconds.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。—____Ihavethetel

6、evisionon?—Yes,you_____./No,you_____CouldHeasksifhe____smokehere.couldcan/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:Edisona

7、lwayswonderedwhyhenscouldhatch(孵)chickenswhilehewasnotableto.Question: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__

8、________runoutofthebuilding.wasableto2.She_____speakbothEnglishandFrench.canShiDongpengmightwinamedalattheOlympicGame