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七、情态动词和虚拟语气1guess what,he has decided to enter for tomorrows speech contest!_ it be possible?he is usually quite shy and reserved.amust bwould cshould dneed答案c句意:你猜怎么样,他已经决定参加明天的演讲比赛了。这有可能吗?他通常很害羞很保守。should表示说话人意外、惊喜等语气。must“必须;一定;偏偏”;would表示过去的意愿;need“需要”。2he has always insisted that he _ dr turner instead of mr turner.awill be called bcallchave been called dshould be called答案d句意:他一直坚持被叫做特纳博士,而不是特纳先生。insist意为“坚持要”时,其后的宾语从句中用虚拟语气,谓语动词用“(should)动词原形”;he与call是逻辑上的被动关系,应用被动语态。3if we had taken such effective measures much earlier,the river _ so seriously now.ais not pollutedbwould not be pollutedchad not been polluteddwould not have been polluted答案b句意:如果我们早采取这些有效措施,那条河现在就不会被污染得这么严重了。由语境及时间状语可知,从句表示与过去事实相反的虚拟语气,主句表示与现在事实相反的虚拟语气,属于错综虚拟语气,故主句谓语用would do的形式。4mary failed the driving test again.if she _ harder,she _ the test easily.apracticed;would passbhad practiced;would passchad practiced;would have passeddshould practice;should have passed答案c考查虚拟语气。句意:玛丽又没有通过驾驶考试。要是她多加练习,她就能很容易地通过考试。表示与过去事实相反时,if从句谓语用“had过去分词”,主句谓语用“wouldhave过去分词”。5it _ be really cold in november in hefei though we usually have warm and sunny days.ashould bwill cmust dcan答案d考查情态动词can的用法。句意:11月份合肥真的很冷,虽然通常温暖且阳光明媚。can表示推测多用于否定句和疑问句中,用于肯定句时,多指“客观可能性”。6i _ have gone the concert because i know nothing about that kind of music.acouldnt bmustntcshouldnt doughtnt答案c考查虚拟语气。句意:我本来不应该去音乐会的,因为我对那种类型的音乐一无所知。shouldnt have done sth表示“本不该做的事情却做了”。7id rather you _ right away.aleave bleftcwill leave dto leave答案b考查would rather后面的从句用虚拟语气,动词用过去式。8its important that we _ protect wild animals.awill bshould c shall dmust答案b考查“itbeadj.thatsb(should)动词原形”结构,即虚拟语气在主语从句中的使用。9jack should have taken the doctors advice that he _ in bed for a couple of days.alies blie cmust lie dlay答案badvice,suggestion等表示意见、建议的词后面的同位语从句用虚拟语气。10we _ a wonderful party to mark the special occasion in the open air,but it rained heavily then.acould have had bmust have hadccould have dmust have答案a句意:为了纪念这特别的日子我们本来能在露天举办一个美好的晚会的,但那时雨下得很大。由“it rained heavily then”可知,此处表示过去本能够做某事实际上没做,故用could have done。must have done表示对过去情况把握性较大的肯定推测;could do和must do是对现在情况的推测。11michael is always doing well in maths.but sometimes he _ be a failure.acan bshall cmust dwill答案a句意:迈克尔的数学非常好,但有时他也会做得很差。can表示推测用于肯定句时,表示偶然的可能性或一时的情况,意为“有时会”,符合题意。shall表示命令或请求;must表示推测或“必须”;will表示意愿或习惯。12will you take up teaching as a career after graduation?hard to say.i _ go abroad for higher education instead,but it depends.ashould bmust cmight dshall答案c句意:毕业之后你会从事教育职业吗?很难说,我可能去国外留学深造,但也要看情况。由题意可知,此处表示对将来情况把握性不大的推测,故用might。should表示请求、责任或义务;must表示推测或“必须”;shall表示命令或请求。13we _ as well go straight home.theres nothing better to do.ok,though i hate to do so.amight bcan cshould dmust答案amight as well为固定搭配,意为“不妨”。14when shall we meet your cousin at the station?his plane took off 2 hours ago,and it _ arrive at 5 pm.ashould b couldcmust have dneed答案ashould意为“应该会,可能”,此处是对将来的推测,表示“预期会”。15the traffic is heavy now,so mike _ come late.lets wait ten more minutes.acan bneed cmay dshall答案c句意:现在交通繁忙,所以麦克可能会迟到。那让我们再等10分钟吧。此处may表示“(有可能但不肯定)也许,可能”;can表示“能够”;need表示“需要”;shall用于第二、三人称的陈述句中,表示警告、命令、威胁等语气。因此选c项。16he wished he _ so careless;his examination results could have been more satisfactory.aisnt bwasnt chasnt dhadnt been答案d句意:他希望自己没有这么粗心就好了,他的考试结果本应更令人满意的。wish后的宾语从句中常用虚拟语气,此处表示与过去事实相反,从句用过去完成时,故选d。17i really dont know how to express my thanks to mr li,my high school english teacher,without whose help i _ to college that year.awerent to gobhadnt been able to goccouldnt godcouldnt have gone答案d句意:我真的不知道怎么表达对我的高中英语老师李老师的感谢。那一年若没有他的帮助我是不会考上大学的。without whose help表示含蓄的虚拟条件,句子表示与过去事实相反的情况,故用couldnt have gone。18the doctor suggested he _ with a serious disease and that he _ to hospital at once.abe infected;be sentbwas infected;be sentcshould be infected;was sentdbe infected;was sent答案b句意:医生说他得了一种严重的疾病,并建议他被立即送到医院去。第一个suggest意为“表明,暗示”,其后的宾语从句不用虚拟语气,句子表示过去的事实,故用一般过去时的被动语态。第二个suggest意为“建议”,其后的宾语从句中要用虚拟语气,谓语动词用“(should)动词原形”。19_ he have been chosen as captain of our school football team?yes,he _.cant you see hes wearing an armband?acan;can bmust;must havecmust;must dcan;must have答案d考查情态动词的用法。句意:难道他被选为我们学校足球队的队长了吗?是的,他一定被选为队长了,你没看见他戴着袖标吗?第一空,can have done表示对现在的推测,一般用于疑问句和否定句。用于疑问句时表示怀疑,用于否定句时表示不确定;第二空,must have done,表示肯定推测。20if rose _ her diamond in a safer place,it _ stolen.ahad put;might bebhad put;might not have beenchad put;could bedhad not put;could not have been答案b考查虚拟语气。句意:如果罗斯把钻石放在更安全的地方,钻石就可能不会被偷了。表示与过去事实相反的假设时,从句谓语用had过去分词,主句谓语用would/should/could/mighthave过去分词。根据语境,说话者语气不肯定,用might表示不确定的推测。21its said that there are plenty of hotels in that town.there _be any difficulty for you to find somewhere to stay.awouldnt bshouldntcmustnt dneednt答案b句意:据说在那个城镇有许多旅馆,对你来说找个地方住下应该没有困难。只有b项shouldnt是这个意思。22you really should have taken part in the competition.i know i _,but i _ too busy to spare any time.ashould have;was bshould do;wascshould;had been dshould have;had been答案a从语境判断,谈话人所说的事情是已经发生过的事,因此是对过去事情的推断,用情态动词的完成时,而but后是对过去事实的描述,用一般过去时。23look at the girl,her eyes were red.yes,she _.amay cry bmust crycmust be cried dmust have been crying答案d考查情态动词。句意:看那个小女孩,她的眼睛是红的。是啊,她刚才肯定一直在哭。”对过去正发生某事的推测。24can i pay the bill by check?sorry,sir.but it is the management rules of our hotel that payment _ be made in cash.ashall bneed cwill dcan答案a考查情态动词shall的用法。句意:我能用支票付账吗?先生,很抱歉,这是我们酒店的管理规定,必须要用现金结算。四项中只有shall可以表示按照命令、条文、承诺、要求或义务等应该怎样。25jim _his strict father,for he has failed in the examination once again.adidnt dare to see bnot dare seecdidnt dared to see ddare not to see答案a考查dare的用法。句意:吉姆不敢见他严厉的父亲,因为他又没通过考试。dare可用作情态动词和实义动词,用作情态动词否定形式为:dare not do sth,故排除b、d两项;用作实义动词否定形式为:dont/didnt dare to do sth。26you _ come if you dont want to.awont bneednt cmustnt dshant答案b句意:如果你不想来,你不必来。wont“将不会”;neednt“没有必要”;mustnt“必须不”;shant“不愿意”,只有b项句意通顺,故选b。27its hard to believe that jack _ have fought with the policeman.yes.if one _ ask for trouble,it cant be helped.awould;will bmust;maycshould;must dneed;dare答案c句意:难以置信,杰克竟然与警察打了一架。是的。如果一个人非要找麻烦,实在没法子。句中should表示“竟然”,must表示“硬要,非要”。均符合语境。28mr white _ at 8:30 for the meeting,but he didnt show up.ashould have arrivedbshould arrivecshould have had arriveddshould be arriving答案a“should动词原形”表示现在或将来应该;“shouldbe doing”表示现在应该正在做某事;“should have过去分词”表示过去本该做某事而未做。根据题意,a符合本题要求。29sorry,im late.i _ have misunderstood the plan and i went for another appointment.amight bshould ccan dwill答案a句意:抱歉,我迟到了。我可能误解了这个计划,赶赴了另一个约会。此处表示把握性不大的肯定推测,用might。should表示“应该”;can表示推测多用于否定句和疑问句;will表示意愿和倾向性。30if you _ that film late last night,you wouldnt be so sleepy now.adidnt see bhavent seencwouldnt have seen dhadnt seen答案d句意:如果你昨晚没有熬夜看那部电影,你就不会这么困了。last night暗示从句是与过去事实相反的假设,因此从句应用过去完成时;而主句与现在事实相反,谓语用would do。31if he _,he _ that food.luckily he was sent to the hospital immediately.awas warned;would not takebhad been warned;would not have takencwould be warned;had not takendwould have been warned;had not taken答案b考查虚拟语气在if从句中的运用。答句.he was sent表明“他被送进医院”是过去的事,从句用过去完成时,主句用would have done。32the rice _ if you had been more careful.awould not be burningbwould not burncwould not have been burntdwould not burnt答案c从句子的意思分析“如果你仔细点,那么饭就不会烧焦了。”明显是对过去动作的假设。根据条件状语从句中虚拟语气的规则选出答案。33you _ pay too much attention to your english learning,as it is so important.ashould bmust ccannot dneednt答案ccannot too.表达“再做也不过分”的意思。34excuse me.is this the way to the summer palace?sorry,i am not sure.but it _ be.amight bwill cmust dcan答案a由答句中“i am not sure”来判断,空白处需要一个表示“可能”之意的情态动词来进行判断。而might恰恰表示一种语气较为委婉的推测,含义是“也许”,故选a。35in the 1990s,a trip to zhangjiajie cost less than 500 yuan,but now with the same amount of money you _ even cover the entrance fee.acouldnt bshantccant dwont答案c考查情态动词。句意:在九十年代,到张家界的旅游费用不到500元,但是现在同样的钱连付门票都不够。选项中,只有cant表示客观事实。36the fog is so thick that the express way _ have been closed.you are right.i _ have thought of that.now we have to take another road.acan;should bmay;cancshould;must dmust;should答案d考查情态动词。句意:雾这么大,高速公路一定已经关闭了。你说的对。我本应该想到的。我们选别的路吧。第一空,must have done“一定”,表示肯定的推测,语气较肯定;第二空,should have done“本应该而没有”。37_ about his financial situation,i would have helped him out.adid i know bhad i been knowingchad i known dhave i known答案c句意:我要是知道他的经济状况,就帮助他了。由主句谓语would have helped可知,从句是对过去事实的虚拟,要用过去完成时;从句省略if,把had提前,故选c。38the professor recommended the young couple _ their emotions.ado not hide bnot hidecmustnt hide dcouldnt hide答案b句意:那位教授建议那对年轻夫妇不要隐瞒他们的情绪。recommend表示“建议,劝告”,其后的宾语从句中用虚拟语气,谓语动词用“(should)动词原形”。本题从句是否定句,故谓语动词用(should)not hide。39a man is asking to see you._ he come in?let him in.amust bshall cwill ddare答案bshall用于第一、三人称表示请求允许。40is it good to look up every new word when i come across it in reading?no.you _ because you are likely to guess the meaning from the context.acant bmustntcdont have to dshouldnt答案c根据答语中的no以及空格后的解释可知没必要查生词,故c符合题意。41when winter comes,_ spring be far behind?amust bshould cwill dcan答案dmust表示推测,用于肯定的陈述句表示有一定事实根据的推测,“一定,肯定”;should表示常理、常规或一般情况的推测, “应该会”;can表示逻辑上、理论上的可能性。本句意为:冬天来了,春天还会远吗?为理论上的推测,应选d。42you realize that you were driving at 80 miles per hour,dont you?no,officer,i _.this car cant do more than 70.adont need to be bmust not have beenccouldnt have been dneednt have been答案c根据横线后的话“这辆车不能开到70公里以上”,判断说话者是说“我不可能”。因此只能选择c。43if there were no subjunctive mood,english _ much easier.awill be bwould have beenccould have been dwould be答案d主句是对现在情况的假设,用would be。44i forget where i read the article,or i _ it to you now.awill show bwould showcam going to show dam showing答案b考查虚拟语气。句意:我不记得我在哪儿读过这篇文章,不然的话我现在就可以指给你看。根据上文的语境可知句中的or隐含有一个虚拟的条件,即orif i didnt forget where i read the article(要是我没忘记我在哪儿读过这篇文章的话,但事实上忘了)。45it looks as if he were drunk.so it does._.ahad better give up drinkingbhe shouldnt have drunk so muchchealth is more important than drinkdi wonder why he is always doing so答案d考查虚拟语气。句意:他好像喝醉了。如果是这样。我想知道他为什么经常这样。关
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