专题6情态动词和虚拟语气Ⅰ.单句语法填空(一)在下列句子的空白处填上适当的情态动词1．Mary,what'sthematterwithyou?Youshouldhavefinishedyourhomeworkby9o'clock.2．Mr.Yangalwaysremindsustogooverourtestpapercarefullyafterwefinishit,wherewemightotherwisemakecarelessmistakes.3．Aswecansee,Peterisveryhappy,sohemusthavepassedtheexam.Afterall,it'snotdifficultatall.4．ChinamadeacommitmenttotheworldintheCopenhagenSummitthatby2020,thecarbonintensityofitseconomyshallfall40%to45%.5．You'dbetterpullyourcarovertothesideoftheroadifyoumustansweraphonecall.6．Thesignovertheresaysthatnopersonshallentertheareawithoutofficialpermission.7．I'veorderedsomepizza,soweneedn'tworryaboutcookingwhenwegethometired.8．Itwassadtomethatthey,sopoorthemselves,shouldbringmefood.9．IstillremembermyhappychildhoodwhenmymotherwouldtakemetoDisneylandatweekends.10．Lifeisunpredictable;eventhepoorestmay/mightbecometherichest.(二)用所给动词的适当形式填空(虚拟语气)1．IfIhadn't_seen(see)itwithmyowneyes,Iwouldn'thavebelievedit.2．ItmighthavesavedmesometroublehadIknowntheschedule.3．IwishIhad_been(be)atmysister'sweddinglastTuesday,butIwasonabusinesstripinNewYorkthen.4．IwouldbesittinginacomfortableofficenowifIhad_devoted(devote)moreenergiestomystudyinsteadofbeingcrazyaboutgoingonlineatcollege.5．IfonlyIwere(be)freenow,butI'mtoobusytospareanytimetohaveachatwithyou.6．Butforhertimelyhelp,Iwould_have_failed(fail)tocatchthetraintoLondon.7．ItwasJohnwhobrokethewindow.WhyareyoutalkingtomeasifIhad_done(do)it?8．Were(be)therenomoderntelecommunications,wewouldhavetowaitforweekstogetnewsfromaroundtheworld.9．Theywereabroadduringthemonthswhenwewerecarryingouttheinvestigation,ortheywould_have_come(come)toourhelp.10．Wewouldratherourdaughterstayed(stay)athomewithus,butitisherchoice,andsheisnotachildanylonger.Ⅱ.单句改错1．—Nowadayschildrenhavemorefreedom.—Iagree.Theywilldowhattheylike.【答案】will→can2．—Pleasedon'ttellanybody.—Iwill.Ipromise.【答案】will后加not3．WhenIlivedwithmyroommatesintheuniversity,wecanoftentalkintothenight.【答案】can→would4．Studentsmightremainintheirseatsuntilallthepapershavebeencollected.【答案】might→shall5．Iknowthatitwillbedifficulttopickhimoutinsuchacrowd,butifyoumusthappentoseehim,givehimthispacket.【答案】must→should6．—WhydoesThomasspeakthrougheverydiscussionbutneverlistentotheothers?—That'swhathemustdo.Weusedtohatethat,butareusedtoitnow.【答案】must→will7．Oneofourrulesisthateverystudentcanweartheschooluniformwhileatschool.【答案】can→shall8．Wecan'tuseittotiethegoodsbecauseitshouldbebrokenattheweakestposition.【答案】should→may9．—MayIsmokehere?—Ifyoucan,chooseaseatinthesmokingsection.【答案】can→must10．—Can'tyoustayalittlelonger?—It'sgettinglate.Ireallyshouldgonow.Mydaughterishomealone.【答案】should→must11．Imustn'thaveworriedbeforeIcametothenewschool,formyclassmateshereareveryfriendlytome.【答案】mustn't→needn't12．—Sorry,Mum!Ifailedthejobinterviewagain.—Oh,it'stoobad.Youwillhavemadefullpreparations.【答案】will→should13．Youmaybecarefulwiththecamera.Itcosts!【答案】may→must14．IwillgotothepartywithyoutomorrowifIdidn'thavetoattendthemeeting.【答案】will→would15．Wewillbebackinthehotelnowifyoudidn'tlosethemap.【答案】will→would16．It'shightimethatIhavemyhaircut.【答案】have→had17．—WillyoujoinusinthepartythisSaturdayevening?—IfIwastobefree,Iwould;butIwillhaveleftforJa...
