情态动词与虚拟语气.doc

情态动词与虚拟语气1.It is required by the rules that students _ get grades not lower than 85 in any subject in order to get the scholarship.A.will B.mayC.shall D.would答案C解析考查情态动词。句意为：根据规定，学生如果想拿奖学金，任一单科成绩不得低于85分。shall用于第三人称，在条约、规定、法令等文件中表示义务或规定，意为“应，必须”。2.Im really very busy，otherwise I _ certainly go there with you.A.can B.shallC.will D.would答案D解析考查虚拟语气。结合前半句中的内容以及后半句中的otherwise一词可知后半句应用虚拟语气，所以用would。3.God!My cell phone is missing.You _ have left it at home.I heard you telephone our daughter in the bathroom.A.shall B.mustC.would D.could答案B解析考查情态动词。根据答语第二句的内容可知第二个说话人认为对方“一定”是把手机忘在家里了。4.Even students of average intelligence _ become top students by improving their study habits.A.must B.canC.have to D.ought to答案B解析考查情态动词。句意为：即使智力一般的学生也可以通过改进学习习惯而成为优等生。can在此处表示“能够”。5.Look，Ive bought some bread，including your favorite flavor.You _ any because we still have plenty at home.A.should have boughtB.could have boughtC.neednt have boughtD.mustnt have bought答案C解析答语句意为：你没有必要买，因为家里还有很多。故应用neednt have done表示本不必做而实际上做了。could have done 表示过去本可以做某事却没做;should have done表示本应该做而实际上未做;mustnt表示禁止。6.It is beyond my understanding that many adults _ be so crazy about Harry Potter series.A.will B.canC.may D.should答案D解析考查情态动词。句意为：很多成年人居然对哈利波特系列这么上瘾，对此我不能理解。这里用should表示“居然，竟然”。其他选项都没有这个含义。7.Its a pity that Andrew didnt want to go to the conference._ willing to go，we could have paid all his expenses.A.Had he been B.BeingC.Was he D.He had been答案A解析考查虚拟语气与倒装。根据第一句中的时态可知此处是对过去情况的虚拟，意思是“如果他愿意去，我们会支付他所有的费用”。此处是省略了虚拟条件句中的if而引起的倒装，其正常语序应为“If he had been willing to go”。8.These days some young people just _ work hard because they have got used to the easy life provided by their parents.A.mustnt B.wontC.mightnt D.shouldnt答案B解析句意为：现在一些年轻人就是不愿意努力，因为他们已经习惯了父母提供的安逸生活。根据句意可知，此处表示意愿，应用wont。mustnt禁止，不准;mightnt可能不;shouldnt不应该。9.I regret to say that I failed to rank first in the terminal exam.Come on，nobody _ win all the time.A.should B.mustC.shall D.can答案D解析考查情态动词。句意为：很遗憾我在期末考试中没有考第一。振作起来，没有人能够一直赢。can(表示有能力做或能够发生)能，会;should应该，应当;must必须;shall(表示决心、命令或指示)必须，应当。10.May I take this book out of the reading room?No，you _.You read it in here.A.mightnt B.wontC.neednt D.mustnt答案D解析考查情态动词。根据答语的第二句话可知“不能把书拿出阅览室”，表禁止，故选D项。11.Sorry，Cathy，I didnt know that you were badly short of money then.But you _ me for help.A.must have askedB.could have askedC.would have askedD.may have asked答案B解析考查情态动词。说话人为自己不知道Cathy当时急需用钱而感到抱歉，认为Cathy当时本来可以向自己求助。could have done表示过去本来可以做某事，可实际上并没有做。12.I called you at 9 last night，but no one answered.Sorry，I _ sleeping.I went to bed very early.A.need have been B.would have beenC.must have been D.should have been答案C解析根据答语中的“I went to bed very early”可知，此处为肯定推测，用must，表示问话人打电话时，答话人一定正在睡觉。must have done表示过去肯定做了某事。13.Im as busy as a bee;_ you bother me with so many questions now?A.may B.mustC.can D.shall答案B解析考查情态动词。句意为：我忙得不可开交，为什么你现在偏要拿这么多的问题来打扰我呢?must有时可以表示一种不受欢迎的巧合，指某事发生得不早不迟，就在某个当紧的时候，通常含有不快、不满、心烦、恼火等感情色彩，意为“偏偏，偏要”。14.Did you go to the fashion show last week?I _，but I was fully occupied the whole week.A.must go B.must have goneC.would go D.would have gone答案D解析考查虚拟语气。根据答语中的“but I was fully occupied”可知，此处是对过去事实的虚拟，应用would have done结构，表示“本来要做某事而实际上未做”，故选D项。15.It is important to know about the cultural differences that _ cause problems.A.must B.dareC.may D.shall答案C解析考查情态动词。句意为：了解有可能会带来麻烦的文化差异是重要的。此处may表示不确定的推测，意思是“有可能”。16.Could I have a word with you，mum?Oh，dear，if you _.A.can B.mustC.may D.should答案B解析17.My mother is a great cook and we _ never get enough of her cookies.A.may B.needC.should D.can答案D解析句意为：我妈妈是一个很了不起的厨师，我们吃不够她做的饼干。cant.enough为固定搭配，意为“无论也不过分”。18.I wonder where Peter is.He said hed be here for lunch.Dont worry!He_be caught in the rush hour.A.will B.shouldC.can D.may答案D解析考查情态动词表示推测。句意为：我想知道Peter在哪里。他说要来这里吃午饭的。别担心!他可能遇到上下班高峰期了。may表示事实上的可能性，意为“可能，也许”。19.Why，I didnt get you on the phone.We _football on the playground when you phoned.A.must be playingB.must playC.must have playedD.must have been playing答案D解析句意为：嗨，我打电话没找到你。你打电话的时候我们肯定正在操场上踢足球。表示对过去所发生的事情的肯定推测用must have done的形式，再结合语境可知此处推测的是过去某个时间正在发生的事情，故用must have been doing，故答案为D项。20.Why didnt Henry come?He _ except he didnt have time.A.would have come B.will comeC.would come D.will be coming答案A解析句意为：Henry为什么没来?他本来要来的，只是他没有时间。except从句表达的是过去时陈述语气，主句为与过去相反的虚拟语气。21.He hesitated for a moment before kicking the ball，otherwise he_a goal.A.had scored B.scoredC.would score D.would have scored答案D解析这是otherwise 引出的含蓄虚拟语气，再根据前面的hesitated 可进一步知道这是与过去事实相反的虚拟语气，由此可推知答案选D。22.It is hard for me to imagine what I would be doing today if I_in love，at the age of seven，with the Melinda Cox Library in my hometown.A.wouldnt have fallenB.had not fallenC.should fallD.were to fall答案B解析句意为：要不是在七岁时就迷上了Melinda Cox 图书馆，我真不能想象我如今会在做什么。此题涉及错综时间虚拟条件句，主句与现在事实相反，条件句与过去事实相反。23.My uncle suggests I _ abroad.I would rather you _ at home.A.go;stay B.went;stayedC.go;stayed D.went;stay答案C解析suggest作“建议”讲，谓语动词用should do或do。would rather后跟的从句也用虚拟语气，叙述与现在、将来事实相反时，用过去时;叙述与过去事实相反，用过去完成时。24.Its useless envying others their success.Its time you _ hard.A.must work B.went to workC.work D.worked答案D解析此处考查固定句型中虚拟语气的使用。Its tim