情态动词Ⅰ.单句语法填空1.(2015·高考福建卷改编)—Sorry,Mum!Ifailedthejobinterviewagain.—Oh,it’stoobad.You____________havemadefullpreparations.解析:句意:“对不起,妈妈!我工作面试又失败了。”“哦,太糟糕了。你本应该做好充足的准备。”shouldhavedone本应该做某事(实际并未做)。根据句意可知should符合语境,故填should。答案:should2.(2015·高考陕西卷改编)You____________feelallthetrainingawasteoftime,butI’mahundredpercentsurelateryou’llbegratefulyoudidit.解析:句意:你可能觉得所有的训练都是浪费时间,但是我百分之百确定,你以后会为你这么做了而心存感激的。may表示推测时指“可能,或许”。由句中的but及后一分句中的ahundredpercentsure可知,此处表示语气不强烈的推测,故用may。答案:may3.(2015·高考四川卷改编)You____________becarefulwiththecamera.Itcosts!解析:句意:你千万要当心这个相机。它价格不菲!从后面Itcosts!可以推知说话者要求“你”对相机“千万要小心’,此处表示必须,因此要用must。答案:must4.—Mum,canIgoonaholidaywithmyclassmatesthissummervacation?—OK.You____________haveachanceifyougetalongwellwithyourstudies.解析:句意:——妈妈,这个暑假我能和同学去度假吗?——好的。如果你学习进步的话,你会有这样的机会的。shall用于第二人称时表示允诺,故填shall。答案:shall5.—Whoit____________bethatleftthedoorunlocked?—ItmightbeMike.Heisalwaysforgettingthings.解析:句意:——有可能是谁没锁门呢?——也许是迈克,他总忘事。在疑问句中只能用can或could表示推测。答案:can/could6.(2015·四川石室中学一诊改编)—Where’sLily,Lucy?Ican’tfindheranywhere.—She____________havebeenofflong.Isawhercleanthewindowjustnow.解析:句意:——露西,莉莉在哪?我到处都找不到她。——她不可能走远,我刚刚还看到她在擦窗户。根据sawhercleanthewindowjustnow可知,她过去不可能走远,故用can’thavedone。答案:can’t7.(2015·北京海淀区期中考试改编)—Where’sAmy?—I’mnotsure.She____________beinthelaboratory.解析:句意:——艾米在哪儿?——我不确定。她可能在实验室里。根据I’mnotsure判断出说话人不确定,故填might/may表示“可能”。答案:might/may8.(2015·福建莆田八中月考改编)Ifyouwillstayherelonger,youmay.Butyou____________leavebeforethisweekend.解析:句意:如果你愿意在这儿待得久一点,是可以的。但是你必须在这个周末前离开。根据but表转折可知,第二句强调说话人主观上认为对方“必须”做某事,即要求对方必须在周末前离开,故填must。答案:must9.(高考上海卷改编)—Sorry,ProfessorSmith.Ididn’tfinishtheassignmentyesterday.—Oh,you____________(do)itasyesterdaywasthedeadline.解析:根据答语句意:哦,你本该做完的,因为昨天是最后期限。此处用shouldhavedone表示“本应该做某事而实际上未做”。答案:shouldhavedone10.(2015·安徽铜陵五中检测改编)—Shelooksveryhappy.She____________(pass)theexam.—Iguessso.It’snotdifficultafterall.解析:句意:——她看起来很高兴,她一定通过了考试。——我想是的,毕竟考试不难。根据句意可知设空处表示对过去的十分肯定的推测,故填must,意为“一定”。答案:musthavepassedⅡ.语篇填空(用适当的情态动词填空)MissFangcouldn’treadforverylongwithoutgettingaheadache.Hermothertoldherthatshe1.____________gototheHealthServiceandseeadoctor.“Youshouldseeadoctorassoonaspossible,”shesaid.“You2.____________needglasses.”WhenMissFanghadfreetime,shewenttotheHealthService.Theappointmentclerksaidthatthedoctor3.____________seeherat3:30.MissFangrepliedthatshewouldnotbeabletobethereat3:30becauseshehadaclassthen.“Thedoctor4.____________takeyouatabouttentofour,”theappointmentclerksuggested.“5.____________Iputyoudownfortentofour,orwouldyourathercometomorrow?”MissFangthoughtshe6.____________(not)wasteanymoretime.Theteacher7.____________beunhappyifsheaskedforpermissiontoleavetheclassalittleearly,ashewasalwayssokindtoeveryone.Andshereplied,“IthinkI8.____________makeitattentofour.”MissFangwenttotheclass.Sheaskedherteacher,“9.____________Ileaveat3:45today?Imusthaveaneyeexamination.”Asexpected,theteachersaid,“Yes,ofcourseyou10.____________.”答案:1.should2.might3.could4.might5.Shall6.shouldn’t7.shouldn’t8.can9.May/Can10.can