英语情态动词归纳及专项练习题.docx

1、英语情态动词归纳及专项练习题【英语】情态动词归纳及专项练习题一、单项选择情态动词1 -Is Jack on duty today? -It _ be him. Its his turn tomorrow.Amustnt Bwont Ccant Dneednt【答案】C【解析】【详解】考查情态动词表示推测。句意：-今天杰克值日吗？-不可能是他。明天该轮到他。cant be用于否定推测“不可能是”，must表示推测的时候，表示“肯定是”，wont不愿意，neednt不必，故选C。2Keep up your spirits even if you _ fail hundreds of times.A

2、must BneedCmay Dshould【答案】C【解析】【详解】考查情态动词。A. must必须；B. need需要；C. may可能，或许；D. should应该。句意：即使失败了几百次，也要振作起来。此处表示一种不确定的推测，故选C。3Mr. Baker, some students want to see you. _ they wait here or outside?AMay BShould CShall DWill【答案】C【解析】【详解】考查Shall的用法。句意：贝克先生，有些学生想见你。他们是在这里等还是在外面等?Shall用于第一、第三人称疑问句中，表示说话人征求对方

3、的意见或向对方请示。故选C。【点睛】Shall的用法Shall作为助动词，一般用于第一人称和We，表示一个将来的动作，构成将来时态。Shall后面接动词原形。例如：（1）I shall think it over and Let you know my idea.我将考虑一下此事，然后告诉你我的想法。（2）We shall have a good time in the park.我们在公园里会玩得很高兴的。常考的特殊用法1. Shall用于第一人称，表示征求对方的意愿。如：What shall we do this evening?2. Shall用于第一、第三人称疑问句中，表示说话人征求对

4、方的意见或向对方请示。如：Shall we begin our lesson?When shall he be able to leave the hospital?3. Shall用于第二、第三人称，表示说话人给对方命令、警告、允诺或威胁。如：You shall fail if you dont work harder. （警告）He shall have the book when I finish reading. （允诺）He shall be punished. （威胁）4It is really cold and the ground is wet; it _ have raine

5、d last night.Amight BmustCcan Dshould【答案】B【解析】【详解】考查情态动词辨析。句意：天气很冷而且地面是湿的，昨晚一定下了雨。根据上文the ground is wet可知，“昨晚下了雨”是肯定的，故用must have done“必定做了”表示对过去十分有把握的推测，故选B。【点睛】must have done用法辨析must have done：表示对过去的肯定的逻辑推测，推定某件事情、动作或状态可能在过去发生过（存在过）。He must have been a doctor, for he knows medicine so well. 他过去肯定是

6、一位医生，他对医学如此了解。Somebody must have stolen the ring. 肯定有人偷了这枚戒指. 该句所推断的偷窃动作发生在过去.The temperature must have dropped to below zero last night, because the water is frozen all over.昨夜的温度肯定降到零度以下，因为水都冻住了。如果“must + have + 过去分词”句型与by now连用，还可以表示对现在完成的动作和状态的肯定推测，但实质上还是指所推测的过去的动作。例如：They started early this mor

7、ning; they must have arrived by now. 他们今晨很早就出发了，现在肯定已经到了。中国学生的常见病句是：They.; they certainly have arrived.病句的句义是“他们当然已经到达了。”（这不是对过去的肯定推测，而是断定动作已经完成。）5-Hi, Johnson, any idea where Susan is?-It is class time, so she _ in the classroom now.Acan be Bmust have beenCmight have been Dshould be【答案】D【解析】考查情态动词的

8、用法。A. can be可能，可以是；B. must have been一定（对过去事实肯定的推测）；C. might have been可能（对过去事实肯定的推测）；D. should be应该是。句意：知道苏珊在哪里吗？现在是上课时间，她应该在教室里。故答案选D。6He is a bad-tempered fellow, but he _ be quite charming when he wishes.Ashall BshouldCcan Dmust【答案】C【解析】【详解】考查情态动词辨析。句意：他是个脾气不好的家伙，但当他希望自己有魅力的时候，他可以变得相当可爱。此处表示“能、可以”

9、，故C项正确。7- Turn off the TV, Jack. _ your homework now?- Mum, just ten more minutes, please.AWill you be doing BShould you be doingCShouldnt you be doing DCouldnt you be doing【答案】C【解析】【详解】考查含情态动词的进行时态。句意：把电视关掉，杰克。你现在不应该做作业吗?妈妈，请再给我十分钟。此处表示目前应该在做某事，should“应该”，这里用含情态动词的进行时态，故选C。8-He was satisfied with t

10、he result, wasnt he?-No. It was so difficult that he _have passed it.Ashouldnt BmustntCcouldn t Dwouldnt【答案】C【解析】【详解】考查情态动词。A. shouldnt 不应该；B. mustnt禁止，不允许；C. couldn t 不可能；D. wouldnt不会。句意：-他对结果很满意，是吗? -不。考试太难了，他不可能通过。固定结构：couldn t have done“不可能做某事”，此处是对过去事情有把握的否定推测。故选C。【点睛】情态动词+ have done结构：1.“must

11、+ have + 过去分词”表示对过去发生的事情或状态进行推测,语气比较坚定,通常只用于肯定句.如：It must have rained last night,for the ground is wet.2.“can / could + have + 过去分词”表示对过去某种情况的怀疑或不确定.can和could一般用于否定句和疑问句,could的语气较can弱.如：He cant have finished the work so soon.3.“may / might + have + 过去分词”表示对已发生的动作或存在的状态进行不肯定的推测,might的语气比may弱一点.这种结构主要

12、用于肯定句和否定句,疑问句改用can或could.如：They may not have known it beforehand.4.“need + have + 过去分词”表示过去做了不必做或不需要做的事情,或过去做某事纯属多余.如：I neednt have bought so much wineonly five people came.5.“should / ought to + have + 过去分词”表示过去本该做某事但没做,其否定式表示过去不该做某事但做了,这种句式含有不满或责备之意,ought to的语气比should强一些.如：You ought to / should ha

13、ve studied harder.你本应该更努力学习的.（但没有） He oughtnt to / shouldnt have done that.他本来就不该做那件事.（可是做了） 6.“would have 过去分词”表示对过去的某种情况进行猜测,或本来要做某事却因某种原因未做成,通常用来说明某一情况,但不像用should或ought to那样含有责备之意.如：I guess the poet would have been about twenty when she wrote her first poem.Another worker wouldnt have acted like

14、that.9I often felt troubled in my teens and my grandma _ comfort me, saying “Life is like that, dear”.Awould Bmight Cshould Dmust【答案】A【解析】【详解】考查情态动词。句意：在我十几岁的时候，我经常感到烦恼，我的奶奶会安慰我说，“生活就是这样，亲爱的”。此处是would+动词原形，表示“过去总是做某事”。故选A。10It wasnt right to me that such near neighbors not know one another.Acould Bw

15、ouldCshould Dmight【答案】C【解析】【详解】考查情态动词。句意：对我来说，很不正常，如此近的邻居居然不认识。A. could可能，能够；B. would将；C. should竟然；D. might可能，也许。should 作为情态动词，可以用来表示意外、惊喜或者在说话人看来是不可思议的，常常译为竟会、居然，住的这么近的邻居居然不认识。表示意外，所以答案选C。【点睛】should的用法1、should 作为情态动词,通常用来表示现在或将来的责任或义务,译作“应该”、“应当”,这时它可以和 ought to, be supposed to 互换使用.例如：You should （

16、= ought to ） tell your mother about it at once.2、should 作为情态动词,可以用在条件状语从句中,表示语气较强的假设,译作“万一”、“竟然”,这时也可将 should 置于从句之首,即将 should 放在主语前面,而省略从属连词 if。例如：If you should fail to come, ask Mrs Chen to work in your place. （= Should you fail to come, ask Mrs Chen to work in your place. ）3、should 作为情态动词,可以表示谦逊、

17、客气、委婉之意,译为“可”、“倒”。例如：I should say that it would be better to try it again.4、should 作为情态动词,可以用来表示意外、惊喜或者在说话人看来是不可思议的.尤其在以 why, who, how 等开头的修辞疑问句或某些感叹句中常常译为“竟会”、“居然”。例如：How should I know it ? 我怎么会知道这件事?5、should 作为情态动词,可以用来表示有较大可能实现的猜测、推论,通常译为“可能”、“总该吧”,相当于 be expected to 。例如：They should be home by no

18、w, I think. 我想现在他们总该到家了吧。6、should 作为情态动词,用在由 so that, for fear that, lest 引导的目的状语从句和 in case （that） 引导的条件状语从句中,有“能够”、“可能”、“会”之意。例如：They got up early so that they should （= could/ might） catch the first bus in time.7、should 作为情态动词,可以用于下列虚拟语气句中：(1） 用在表示与将来事实相反的条件状语从句中,构成“ If should （do sth）, would/ co

19、uld/ might （do sth.） ”句式。(2) 用在 suggest （propose）, arrange, plan, decide, advise, order, demand, request, desire, insist 等表示“建议”、“要求”、“命令”、“决定”、“安排”、“计划”、“主张”的动词后面接的宾语从句中。这里的 should 也可以省略。本句中should 作为情态动词，可以用来表示意外、惊喜或者在说话人看来是不可思议的，常常译为竟会、居然，住的这么近的邻居居然不认识。表示意外，所以答案选C。11The professor warned the studen

20、ts that on no account _ use mobile phones in his class.Ashould they Bthey shouldCdare they Dthey dare【答案】A【解析】【详解】考查部分倒装和情态动词。句意：这位教授警告学生们，在他的课堂上，决不应该使用手机。on no account意为“决不”，否定词放在句首，句子使用部分倒装，排除B、D项；这里表示应该，故选A。12It has been announced that all the students _ put on masks before going to school in cas

21、e they are infected with SARS virus.Ashall Bwill Cneed Dmay【答案】A【解析】【详解】【详解】考查情态动词。句意：所有学生们应在去学校之前带上口罩以防感染非典病毒，这已经被宣布。shall用于第二、第三人称，表示说话人给对方命令、警告、允诺或威胁，故选A项。13-Can I pay the bill by credit card?-Sorry, sir. But it is the management rules of our hotel that payment _ be made in cash.Ashall BneedCwill

22、 Dmust【答案】A【解析】【详解】考查情态动词词义辨析。A. shall用于法律法规或条文中，表示义务、规定等；B. need需要；C. will会；D. must必须。句意：我能用信用卡支付么？对不起，先生，现金支付是我们酒店的管理规定。故A项正确。14They were abroad during the months when we were carrying out the investigation, or they _to our help.Awould have come Bcould comeChave come Dhad come【答案】A【解析】试题分析：本句考查的是一

23、个含蓄的虚拟条件句，句中的or相当于if they had not gone abroad.因为前面句中使用的是were，说明这个虚拟语气是与过去事实相反，所以主句中使用的是“情态动词+have done”的形式。句意：当我们在做调查的那几个月里，他们一直在国外，否则的话他们早就来帮助我们了。故A正确。15Frankly speaking, I am not sure whether I _ this in the old days with that kind of equipment, which looks quite odd and ridiculous.Ashould have do

24、ne Bneed have done Cwould have done Dmust have done【答案】C【解析】【详解】考查情态动词+have done。句意：坦率地说，我不确定在过去我是否会用这种设备做这件事，这看起来很奇怪和可笑。A. should have done表示本应该做某事，而实际上没有做某事；B. need have done表示本来需要做某事而没有做；C. would have done虚拟语气，表示对过去事情的假设，意思是“本来会做”；D. must have done表示对过去事情的肯定推测，译成“一定做过某事”。由“in the old days”可知，本句表示

25、对过去事情的假设。故选C项。16Well make the final decision on our scheme. _ you change your mind, please inform us as soon as possible.AShould BWere CWould DHad【答案】A【解析】【分析】【详解】考查虚拟语气。句意：我们将对我们的计划做最后决定。如果你改变主意，请尽快通知我们。根据语境，此处用虚拟语气，表示与将来相反，从句用should+动词原形，省略if，should提前，陈述句是：If you should change your mind。故选A。【点睛】虚拟

26、语气中的倒装当虚拟条件句中含有 were，had，should时，可以将if省略，然后将 were，had，should，移至句首：1）If he should fail, he would kill himself.Should he fail, he would kill himself.万一失败，他就会自杀。2）If I were you, I would do it at once.Were I you, I would do it at once.假若我是你，我就会马上做。要是我能做此事，我一定会做。3）If he had seen you yesterday, he would h

27、ave asked you about it.Had he seen you yesterday, he would have asked you about it.他昨天要是看到了你，他就会问你这事了。该小题属于上述的第一种情况。should作为情态动词，有一种特殊的用法：在虚拟条件状语从句中表示与将来事实相反的虚拟语气，可以把should放在句首，即主语前，从而省略从属连词if。原来的表述为：If you should change your mind。故选A。17We _ take clean drinking water for granted. One day we may run

28、out of it.Aneednt BcantCwont Dshouldnt【答案】D【解析】【详解】考查情态动词。句意：我们不应该把拥有洁净的饮用水看作是理所当然的。也许有一天，我们会用完它。shouldnt“不应该”，符合句意。neednt不必；cant不可能；wont将不。故选D。18-We want someone to design the new art museum for me.-_ the young fellow have a try?AShall BMay CWill DNeed【答案】A【解析】【详解】考查情态动词。句意：我们想找人为我设计一个新的艺术博物馆。是不是让这

29、位年轻小伙子试一试？shall作为情态动词,用于二三人称,表示询问，警告，允诺，命令，决心，强制等语气。will作为情态动词，用于主语是各种人称的陈述句中，表示意愿和倾向。用于第二人称的疑问句中，表请求。故选A。19I use a clock to wake me up because at six oclock each morning the train comes by my house.Acouldnt BmustntCshouldnt Dneednt【答案】D【解析】试题分析：考查情态动词辨析。A不可能；B禁止，千万不能；C不应该；D不需要；句意：我不需要使用闹钟叫醒我，因为每天早上

30、六点都有一列火车经过我的家旁边。根据句意可知我不需要使用闹钟。故D正确。考点：考查情态动词词义辨析20You _ give me a lift. I want to walk home for exercise.Aneednt Bcouldnt Ccant Dmustnt【答案】A【解析】【详解】考查情态动词。句意：你不必让我搭车。我想步行回家锻炼身体。A. neednt不必；B. couldnt不能；C. cant不会；D. mustnt禁止，不允许。根据I want to walk home for exercise.可知，你不必让我搭车。故选A。考点：考查情态动词21If we had paid enough attention to the issue of the heavily-overloaded vehicles, the tragedy of the collapse of an overpass in Wuxi _ avoided.Ashould Bcould be Cshould have been Dcould have been【答案】D【解析】【详解】考查情态