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1、,RevisionforModalVerbs,Goforit!九年级,中考英语专项复习情态动词,特征：1）它不能单独作谓语，必须与实义动词一起构成谓语2）情态动词没有人称和数的变化，(haveto除外，三单形式：hasto）3）情态动词+动词原形,情态动词的类型,can(could)能，会may(might)可以，可能will(would)将，会，愿意must必须haveto不得不need需要sbneedtodosth,sthneeddoing.should应该hadbetter最好hadbetter(not)dosth,考点一：表推测语气的情态动词,表猜测性的情态动词有：must,may，m
2、ight,could,cant,肯定推测：must用在肯定句中，表示肯定推测，“肯定”“一定”,Thebook_belongtoTom.Ithashisname.,must,2.may,might,could表示“可能”,也许“的推测，这三个词用于肯定推测。Dontplayontheroad.You_behurtbycars.：3.cant表示否定推测，“不可能；一定不是”e.g.Thedoorislocked.He_(不可能）beathome。,may，might/could,cant,1.Thelightintheofficeisoff.Theteacher_betherenow.（南通）
3、A.mayB.cantC.mustntD.must2.Hisparentsboughthimalargehouse.It_beveryexpensive（宁夏）A.mustB.canC.mustntD.cant,B,A,Letsdo,3.-Thelakeissaidtobedry.Isthattrue?-It_.Look,somekidsareswimminginit.A.mustbetrueB.cantbetrueC.maynotbetrue,B,4.-whatwilltheweatherbeliketomorrow?-It_berainy,cloudyorsunny.Whoknows?A.
4、mustB.mightC.shallD.should5.-WhosthatwomanwithAnn?-Imnotsure.ItbehermotherA.mayB.canC.willD.must,B,A,6.-Whoseexampaperisit?-It_beLiLeis.Healwaysforgetstowritehisnameonit.A.cantB.mustC.shouldntD.may7.-whosetennisracketisthis?-Look!Jerrysnameisonit!It_behis.A.mustB.mightC.cantD.shouldnt,B,A,考点二：情态动词开头
5、的疑问句的答语,句型:肯定回答否定回答1.CanIYes,youcan.No,youcant.CouldI.Yes,youcan.No,youcant.2.MayI肯：Yes,youmay.Yes,ofcourse.Yes,certainly.Sure.否：No,youmustnt.No,youcant.,3.MustI肯：Yes,youmust.否：No,youneednt.No，youdonthaveto4.NeedI肯：Yes,youmust.否：No,youneednt,1.MustItakethekeyboardtotheofficenow?-No,you_.Youcandoitla
6、ter.A.mustntB.cantC.dontD.neednt2.MayItakethisbookoutofthereadingroom?-No,you_.Youmustreadithere.A.maynotB.donthavetoC.mustntD.neednt,D,C,Letsdo,3.(2009.襄樊）-MustIgetupbeforesixoclocktomorrowmorning,Dad?-No,you_.TomorrowisSaturday.Youmaygetuplater.AmustntB.cantC.needntD.maynot,C,4.(2009绍兴）-couldyoupl
7、easecometotheMuseumwithmethisafternoon?-sorry,I_.Ihavetotakeapianolesson.A.couldntB.mustntC.cantD.neednt5.(2008.河南）-_IgoswimmingwithDad,Mom?-No,youneednt.Youcanstayathome.A.MayB.ShouldC.MustD.Would,C,C,考点三：情态动词的语气,1.can的用法：（1）表示能力，意为“能、会”，（2）表示请求，许可，“可以”如：Shecanswimfast,butIcant.如：Canyougoshoppingwi
8、thus?,2.could的用法：1）can的过去式：could.意为“能够；会”表示过去的能力。e.g.Hecouldsingwhenhewas3.2）could在疑问句中，表示委婉的语气，此时could不是can的过去式。-CouldIuseyourpen?-Yes,youcan.No,youcant.,3.may的用法：（1）.表示请求、许可，如：MayIborrowyourbike?(2).may的过去式为might，表示推测时。可能性低于may。如：Heisawayfromschool.Hemightbesick.(3).表示希望、祈求、祝愿，常可译为“祝愿”。通常是用may+主+V
9、例如：Mayyouhaveagoodtime.Mayyoubehappy!Mayyousucceed！,4.must的用法：(1).must表示主观看法，意为“必须、一定”。如：YoumuststayhereuntilIcomeback.MustIhandinmyhomeworkrightnow?(2)其否定形式mustnt表示“一定不要”“千万别”“禁止,不许”.如：Youmustntplaywithfire.Youmustntbelate.（3）对must引导的疑问句，肯定回答为must，否定回答为neednt或donthaveto.如：MustIfinishmyhomework?No,_
10、.,youneednt/donthaveto,5.need的用法：（1）.need表示需要、必须，主要用于否定句和疑问句中，其否定形式为neednt，意为“没有必要，不必”。用need提问时，肯定回答为must，否定回答为neednt或donthaveto。如：NeedIstayhereanylonger?Yes,youmust.No.youneednt/donthaveto.(2).need还可以作实义动词，此时有人称、数和时态的变化，如果是人作主语,needtodosth如：Ineedtobuyabook.如果是物作主语,一般用needdoingsth（表被动）=needtobedone：
11、,6.shall的用法：shall表示征求对方意见（多用于第一），如：Shallwegooutforawalk?7.should的用法：should意为“应该”，可表示劝告、建议、义务、责任等。如：Weshouldprotecttheenvironment.,8.will的用法：will表示意愿、意志、打算，可用于多种人称。如：IwillhelpyouifImfreethisafternoon.9.hadbetter的用法：hadbetter意为“最好”，没有人称的变化，hadbetterdosth其否定形式为：hadbetternot。如：Wehadbetter_(go)now.,1.-_y
12、ouspeakJapanese?(北京2008）-No,IcantA.CanB.MustC.MayD.Should2.You_stopwhenthetrafficlightisred.(山西）A.canB.mayC.mustD.need3.LiLeicantgohikingwithustoday.Becausehe_takecareofhissickmother.(温州）A.hastoB.mayC.mustntD.needt,A,C,A,Letsdo,考点四：易混词的辨析,（一）must与havetoWe_studyhard.We_stayathomebecauseitisraining.提示
13、：must表主观看法，意为“必须”。haveto表客观需要，意为“不得不”（二）maybe与maybe_heisright.It_rainytomorrow.提示：may为情态动词后接动词原形。Maybe为副词意思为“大概，也许”,must,haveto,Maybe,maybe,考点四：易混词的辨析,（三）can与beabletoI_speakEnglishnow.Mysister_speakEnglishtwoyearsago.Mybrother_speakEnglishinthefuture.提示；can只有现在和过去时（could）beableto可用于任何时态中。（四）cant与mus
14、tntcant表“不可能”。mustnt表“禁止，不许”。,Can/amableto,could/wasableto,willbeableto,1（2009.德州)-Howisyourfriendscoming?-Imnotsure.He_drivehere.AmayB.canC.mustD.will2(2008.江西)Ifthetrafficisred,you_crosstheroad.Itsverydangerous.AdontB.mustntC.needntD.wouldnt,boysagainstgirls,A,B,3.(2009.江西)-Susanhasboughtalargehou
15、sewithaswimmingpool.-It_beveryexpensive,Ineverevendreamaboutit.AmustB.mightC.cantD.shouldnt,A,5.(2010江西）-Howwastheyouthclublastnight,Mark?-Itwasgreatfun.You_come.AmustB.canC.shouldD.may6.（2006.威海）Heneeds_herthetruth,theflowersneed_.A.totell,watered.Btell,towaterC.tell,wateredDtotell,watering,C,D,7.（
16、2008.上海）-wouldyouliketocometomybirthdayparty?-Idloveto.ButI_lookaftermysister.A.mustB.canC.havetoD.needto8.(2009.成都）-whatwouldyousendtoyoursisterastheChritmasgift?-Ihaventdecidedyet.I_sendherahandbag.A.shallB.mayC.needD.must,C,B,9.(2009.天津）-shallItellBobthenews?-No,you_,Ivetoldhimalready.A.shouldntB.woul
