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1、语法专题(四) 情态动词一、情态动词的基本含义1表示能力用can，could，be able to。注意：can与be able to常可互换，但也有不可互换的情况：can可用于人或物作主语的句子中，但be able to只能由有生命的名词作主语。can只有一般现在时和一般过去时(could)，但be able to可以用于一般现在时、一般过去时、将来时、完成时。还可用于非谓语动词短语。be able to用于过去时表示经过一番努力才能做到，一般用肯定句和疑问句，不能用could代替。如：After doing more practice，he was able to speak Englis
2、h at the meeting.做了更多的练习之后，他能在会上说英语了。这样考过(2007东城)We_finish it ahead of time，though it was such a tough task.AcouldBwouldCwere able to Dought to解析：根据后文中tough可知所填词表示“(经过努力后)能”，应该用be able to，因此C项正确。答案：C(2008湖南)You dont have to know the name of the author to find a book.You _ find the book by the title.
3、Amust BneedCcan Dwould解析：句意：你没有必要一定要通过作者的姓名来找到一本书。你可以根据这本书的标题(书名)来找到这本书。must必须，一定；need有必要；can可以，能够；would会(表示过去将来)。根据句意，只有C选项符合题意。答案：C(2007湖南)The biggest problem for most plants，which_just get up and run away when threatened，is that animals like to eat them.Ashant BcantCneednt Dmustnt解析：shant 不愿意；can
4、t 不能，不可能；neednt 没有必要；mustnt 不允许，禁止。句意：大部分植物当受到威胁的时候不能站起来逃跑，所以对它们来说最大的问题是动物喜欢吃它们。答案：B2表示可能性理论可能性can，could，may，might现在可能性肯定句may，might，could疑问句can否定句may not(可能不)，cant(不可能)将来可能性may，might注意：can，could，may，might可能性依次减少。can表示理论上的可能性，指某事或情况可能发生，但并不说明实际上真会发生；如要表达某事发生的实际可能性，要用may，could或might等：Anybody can make
5、mistakes.任何人都可能犯错误。这样考过(宁波两地联考)He _ the test again；in that case，his mother will be very disappointed.Ashould fail Bmust have failed Cmight fail Dcould have failed解析：由句意知“他可能会考试又不及格；那样的话，他妈妈会很伤心。”might表推测，表示不太确定，故选C。答案：C(2008浙江)You _ be hungry alreadyyou had lunch only two hours ago!Awouldnt BcantCmu
6、stnt Dneednt解析：句意：你不可能已经饿了你两个小时前才吃的午饭。cant“不可能”；mustnt意为“绝对不可，被禁止”。答案：B(北京朝阳区)Will Helen get disappointed if I tell her she failed?I think she _.Amay Bhas toCshould Dneed解析：据句意：如果你告诉海伦她考试没过，她会失望吗？我认为她可能会。may“可能”，用来表示推测。答案：A(潍坊质检)My mother is a great cook and we _ never get enough of her cookies.Amay
7、 BneedCshould Dcan解析：由句意“好厨师，她做的甜饼我们永远吃不够。”知选D“能够”，表示推测。may也可表示推测，但语气较弱。答案：D(北京丰台区)Its supposed to rain tomorrow.I know，but the forecast _ be wrong.Weather forecasts are far from 100 percent accurate.Amust BcouldCshould Dwill解析：此处需表达的意思为“可能”，只有B项符合题意。答案：B3表示许可用词必要例句请求许可can，could，may，might，shallCould
8、 I use your phone?Of course，you can.给予许可can，may，might as well已给予的许可canIts not fair.Joe can stay up till 10 and I have to go to bed at eight.注意：在会话中，用could和might征求许可，表示语气委婉。给予许可时也可以使用其他委婉用语，如sure，certainly，go ahead，please等。这样考过(宁波质检)Mr Smith，_ he have all these letters typed for you right away?He _.T
9、hey should be ready by 10 oclock this morning.Awill; must Bshall; has toCneed; will Dwould; ought to解析：shall用于一、三人称的疑问句中表示征求对方意见。答案：B(江西师大附中)_ I book a table for dinner a few days ahead of time?Yes，you _.The restaurant is always full，especially during the holidays.AMust; will BMust; canCShall; shall
10、 DShall; must答案：D(2008成都)If you think the price of pork is too high，you _as well buy some beef.It depends on you!Ashould BwillCwould Dmay解析：may/might as well是固定用法，表示“不妨，倒不如”。答案：D4表示建议可用can，may，will，would，youd better(not)等。这样考过(北京东城区)I feel bored with nothing interesting to do.You _ watch TV.There wi
11、ll be a very good Hollywood film on this evening.Aneed BcouldCwould Dshall解析：上文提出没事可干很烦。下文提出建议，你可以看电视啊，could在此处表示提建议，would是指习惯性的动作，shall表示威胁的语气，need 需要。答案：B可能这样考You_phone him if you want to，but you _.Hell surely phone you.Amay; mustnt Bhave to; needntCmight; wont Dcan; neednt解析：根据题意，第一个空须填“可以”，用may或
12、can皆可，从后句可以判断“你没有必要给他打电话”，第二个空只能填neednt。答案：D5表示义务、命令、要求等用must，have to，should，ought to等，意为“必须，应该”这样考过(四川)I dont care what people think.Well，you _.Acould BwouldCshould Dmight解析：句意：我不在乎人们想什么。不对，你应该在乎。根据语境，后半句中省略了一些与前句相同的内容。该题目实际上考查了情态动词的用法。should用以表示义务或责任，如：You shouldnt drink and drive.你不应该喝酒后开车。答案：C(湖
13、南)Its the office！So you _ know eating is not allowed here.Oh，sorry.Amust BwillCmay Dneed解析：句意：这是办公室！所以你必须知道这里不许吃东西。噢，对不起。must“必须”，在此处语气最强烈。答案：A(2008海淀)Please carry a cellphone to make it easier for me to get hold of you.OK，Dad.But I am eighteen.You _ worry so much.Acant Bmustnt Cshouldnt Dwouldnt解析：
14、说话人认为自己不再是小孩子了，对方“不应该”再如此担心。答案：C注意：must的否定形式是need not(不必，没有必要)，不用must not(禁止)。should还表示吃惊，不耐烦，不相信等。(海淀)The purpose of education _ be to provide students with a value systemnot to prepare them for a specific job.Awill BshouldCcould Dmay答案：B6表示意愿和决心用shall，will，would，would rather。(1)shall表示说话人的强烈意志，有“命
15、令，警告，允诺，威胁”等含义，因此用于第二、第三人称。这样考过(2008北京)John promised his doctor he _ not smoke，and he has never smoked ever since.Amight BshouldCcould Dwould解析：句意：约翰答应他的医生不再吸烟了，且从那时起就再也不吸了。might not可能不；should not不应该；could not不可能(推测)，不能(表能力)；would有“决心、决意”等意思。根据句意，可知D项正确。答案：D(合肥一六八中联考)Hello，Peter.Would you please go
16、shopping with me after school?Sorry.Our school is a boarding school.In school days nobody _ go out of school without the head teachers permission.Awill Bcan Cmay Dshall解析：据句意“我们学校是寄宿制学校，没有班主任的允许任何人不得离校。”知这是学校的规定。规定、规则或法律条文用情态动词shall，表示“命令、警告、允诺、威胁”等意义，故选D。其他选项无此用法。答案：D(北京东城区)After the bell rings，whi
17、ch indicates the ending of the exam，you _ stay where you are until all your papers are collected.Ashall BwouldCWill Dcan解析：shall表示说话者的命令、意图等。意为“一定”。答案：A(洛阳统考)They want to take possession of my house，but they _ not have it.Ashall BmustCwould Dneed解析：shall表示强烈的意志，也表示说话人的意图，决心。句意为：他们想占有我的房子，但是他们不会得逞的。答
18、案：A(2)will可以用于各种人称，表示意愿。这样考过(江西吉安一中)If you _ let me pay for the bill today，then at least allow me to drive you home.Ashouldnt BneedntCwont Dmustnt答案：C(2006重庆)Mr.Gordon asked me to remind you of the meeting this afternoon.Dont you forget it!OK.I_.Awont BdontCwill Ddo解析：句意：别忘了开会的事呀。好的，我不会的。注意情态动词的语气。答
19、案：A特例：will的主语若是无生命的东西，则表示它本身的一种特性或自然属性；wont则表示失去某种功能，意为“不起作用，就是不”如：Oil will float on water.油会浮到水面上。Though he tried hard，the door wouldnt open.尽管他费尽了力气，门就是不开。(3)would rather意为“宁愿”。这样考过(2008山东寿光现代中学)I didnt go to the museum yesterday.Yes，but I would rather you _ there too.Awent Bhad goneCshould go Dwo
20、uld have gone解析：would rather后跟句子时，要用虚拟语气，如果是与现在或将来相反从句要用过去时；如果与过去时相反则用过去完成时。根据上一句中的时间状语看应该表达的是与过去相反的虚拟语气，所以要用过去完成时。答案：B还可能这样考Would you like to have a taxi?No，I_walk there.Its such a lovely day.Acan Bought toChad better Dwould rather解析：根据最后一句“Its such a lovely day(天气这么好)”，判断前一句应是“我宁愿步行去那”，用would rath
21、er表示自己的意愿。其他项不能表示此意，故选D。答案：D7would或“used to动词原形”表过去的习惯。(1)在表示过去重复的习惯时，used to可用would代替。这样考过(2007郑州)I tried to get through to her，but she simply_not turn on her cellphone as she was busy.Acould BmightCwould Dshould解析：此处所填词表“习惯”。而情态动词中只有will，would和used to表“习惯”，其中will表“经常性的习惯”，would和used to表“过去的习惯”，而wo
22、uld与used to的区别是：used to表过去有而现在已经没有了的习惯，即表过去与现在对比；而would只表过去的习惯，不涉及现在。根据句意，此处用would。答案：C(2)used to强调过去的行为同现在的对比，含有“过去怎样，而现在却不这样了”的含义；而would则单纯表示过去的习惯性动作，常同often，every day等连用。She isnt what she used to be.她跟过去不一样了。(表示对比，不可用would) We would sit in the yard every evening and listened to his story.我们每天晚上坐在
23、院子里，听他讲故事。(表示过去的重复性行为)可能这样考Mother_us stories when we were young.Aused to tell Bused to tellingCwould tell Dwill tell解析：本句中有确定的时间段when we were young，因此要用would。答案：C(3)表示过去的状态，只能用used to，不可用would。There used to be a park here.以前这里有一个公园。可能这样考He_a waiter，but now a taxi driver.Awould be Bused to beCcould b
24、e Dshould be解析：根据题意可知他过去是个侍者，而现在不是了，是一个出租车司机，因此要用used to be。答案：B8dare和need的用法(1)dare的用法：情态动词dare主要用于疑问句与否定句中，后接动词原形(不带to)，没有人称和数的变化，但过去式为dared；dare也可以用作行为动词，后跟to do不定式。可能这样考Miss White has decided to explore in the forest by herself.She_ask her boyfriend to if she_go walking in the forest.Aneednt to;
25、 dares toBdoesnt need; daresCneed not to; dare toDneednt; dare解析：本题考查need和dare作情态动词的用法。答案：DThere is a lot of smoke coming out of the teaching building there.Really？It _be a fire，most probably.Aought to BcanChave to Dmust解析：表示推测，依据most probably，语气应为“应该”。答案：A(2)need的用法：need作情态动词时。没有人称时态的变化，后接动词原形，多用于疑
26、问句或否定句中；need也可用作行为动词，后接名词、代词或带to的不定式。这样考过(2007长沙)Generally，reporters take positive lines.They do point out a few problems that we_aware of，but theres nothing worrying.Aneed to BneedCneed be Dneed to be解析：need用作情态动词时，主要用于否定句，疑问句和条件从句中，后跟动词原形；need用作行为动词时，用于肯定、否定和疑问句，后跟名词、代词、动词不定式或动词ving形式(用ving主动形式表示被
27、动意义)。此处是肯定句，故need用作行为动词，后跟动词不定式；be aware of“知道”，因此选D。答案：D(2010淄博上学期期末)In fact, you _ go outside at all. Theres a supermarket just downstairs.Acouldnt BmustntCneednt Dshouldnt答案：C(2007江西九所)I didnt go to work today.You_；it is Sunday.Adidnt need to Bmustnt haveCcant have Dneednt have解析：一般情况下，动词不定式可省略to
28、后的成分，而动词不定式本身的标志词to不能省略。答案：A二、情态动词表示推测1情态动词用于对现在和过去的推测。对现在的推测对过去的推测肯定否定肯定否定must docant domust havevedcanthavevedcould docouldnt docould havevedcouldnt havevedmay domay not domay havevedmay not havevedmight domight not domighthavevedmightnot havevedshould doshouldnt doshouldhavevedshouldnot haveved注意
29、：在表示推测时，can不用于肯定句，may不用于疑问句。should可用于表将来的推测。这样考过(成都检测)I cant find Mr.Li anywhere in the office building.Where _ he have gone?Amust Bcould Cshould Dwould解析：could have done“有可能做了某事”，用于推测时，常用在否定句中和疑问句中；must have done“肯定是做了某事”，用于肯定推测，用在肯定句中；should have done“该做某事而事实上未做”；would have done“将有可能做”。据句意知：他有可能去了
30、哪里呢？综上，选B。答案：B(重庆)Hi，Tom.Any idea where Jane is?She _ in the classroom.I saw her there just now.Ashall be Bshould have beenCmust be Dmight have been解析：句意：嗨，Tom，知道Jane在哪儿吗？她肯定在教室里。我刚才在那儿看到她了。从对话中可以看出该空是对现在情况的较肯定的猜测。答案：C(2008重庆)I cant find my purse anywhere.You _ have lost it while shopping.Amay BcanC
31、should Dwould解析：句意：我到处都找不到我的钱包。你可能在购物的时候弄丢了。根据句意首先排除C、D两项；can表“实际”的可能性时，只能用于否定句、疑问句，故被排除；A项表“推测”时常用于肯定句。答案：A(北京西城区)There _ be any difficulty in passing the oral test since you have practiced a lot in school.Amustnt Bshant Cshouldnt Dneednt解析：由句中“since you have practiced a lot in school”即“既然你在学校进行了大量
32、的训练”推知“应该”是不会有什么困难。should表推测“按常理推测”。故选C。答案：C(上海)It _ have been Tom that parked the car here，as he is the only one with a car.Amay BcanCMust Dshould解析：句意：一定是汤姆把车停在这里的，因为只有他有车。此句为强调句型，谓语动词为must have been，用must表示语气肯定的推测。must have done表示“(过去)一定做了某事”。答案：C(南通调研)John，how did your English exam go?I thought
33、I _，but in fact I came in the top 10%in the class.Ashould have failed Bcouldnt have failed Cmight have failed Dmustnt have failed解析：由句中“I thought I _，but in fact I came.”知我通过了考试，而在此之前担心“有可能考试不及格”，故选C。答案：C(福州模拟)Where is Michael？I cannot find him anywhere.He _ have been off long.I saw him study in the
34、 room just now.Ashouldnt Bcant Cmustnt Dneednt解析：cant(不可能)；shouldnt(不应该)；mustnt(不可以)；neednt(不必)。由句中“我刚才还看见他在屋里学习呢。”可推知“他还没走多长时间。”can表推测，主要用于否定句和疑问句中。综上，选B。答案：B2情态动词have done的其他含义(1)“should/ought to havev.ed“意为“本应该”，表示过去应该做而没有做的事，也可表示惊讶、赞叹等情绪。这样考过(2007陕西)I told your friend how to get to the hotel，but
35、 perhaps I_have driven her there.Acould BmustCmight Dshould解析：后半句的意思是：但也许我本应该开车送她去那儿。用should，构成shouldhave done结构，意思是：本应该做。答案：D(2)“shouldnt/ought not tohavev.ed”意为“本不应该”，表示过去不应该做某事但却做了。这样考过(天津河西区)He _ back to work without the doctors permission.Now，he has to stay in bed for a couple of days.Awouldnt
36、have goneBcouldnt have goneCneednt have goneDshouldnt have gone 解析：由句中后半句“he has to stay in bed for a couple of days.”知“他未遵医嘱”，含有“不该做某事而做了”之意，故选D。wouldnt have gone“本不会做而做了”；couldnt have gone“本不可能做而做了”；neednt have done“本不需做而做了”。答案：D(厦门质检)You _ late for yesterdays class meeting，as it was so important.
37、 Acouldnt be Bshouldnt be Cmustnt have been Doughtnt to have been解析：oughtnt to have done同于shouldnt have done表示“不该做某事而做了”。由句意知D合题意。答案：D(3)“couldhavev.ed”意为“本能够，本可以”，表示过去本可以做某事，但却没做。这样考过(江苏)He did not regret saying what he did but felt that he _ it differently.Acould express Bwould expressCcould have
38、expressed Dmust have expressed解析：句意：他不后悔说了他做了什么，而认为他本能够用不同的方式表达。could express 能够表达；would express 要表达；could have expressed 本来能够表达；must have expressed(表推测)肯定已经表达。答案：C(4)“neednthavev.ed”意为“本没有必要”，表示过去本没有必要做某事，但却做了。注意：“need nothavev.ed”表示过去本不必做但却做了的事；“did not need to动词原形”表示过去不必做某事而实际上也没有做。如：She need not
39、 have come yesterday.她昨天本不必要来的。(但却来了) She didnt need to come yesterday.她昨天不必来。(实际上也没来)三、固定用法cant too.无论怎样也不过分，越越好；cant help doing情不自禁做某事；may/might as well还是做的好；would rather.than宁愿做也不愿做。这样考过(龙岩质检)Traffic safety is so important that everyone _ take safety measures too seriously.Ashouldnt BmustntCcanno
40、t Dwont解析：cant.too.表示“怎么都不过分，千万，非常。”答案：C(北京朝阳区)She couldnt help，even though she tried not to，_ at the strange clothes her friend was wearing.Ato laugh BlaughClaughing Dlaughed解析：couldnt help doing 禁不住做某事；even though she tried not to是状语从句，插到主句中了。答案：C.单项填空1Isnt that Anns husband over there?No，it_be hi
41、m.Im sure he doesnt wear glasses.AcantBmust notCwont Dmay not答案与解析：Acan用于否定的猜测表示“不可能”。故选A。2Kunming is called“Spring City”，but it_snow in winter.Ashall BcanCmust Dmight答案与解析：B情态动词can表示客观的可能性，“有时可能”。3You _fail to pass the entrance examination if you dont study harder.Ashall BcouldCmust Dshould答案与解析：As
42、hall用于二、三人称的陈述句中，表示说话者的意愿，有命令、警告、威胁、允诺、决心之意。此题用shall，表示警告。4He didnt agree with me at first，but I_persuade him to sign the agreement later. Acould BmightCshould Dwas able to答案与解析：D情态动词can和be able to都可表示能力。当表示“过去成功地做了某事”时，用was/were able to。5When I was studying at Beijing University，I_take a walk along
43、 the lake every evening. Awill BwouldCcould Dshall答案与解析：B情态动词would表示过去经常性或习惯性的动作。6 Will you stay for lunch?Sorry，_.My brother is coming to see me.AI mustnt BI cantCI neednt DI wont答案与解析：B根据题义可知，因为“我弟弟要来看我”，所以“不能留下”，用cant，表示对别人的邀请或要求给予礼貌的拒绝。A项表示“禁止”；C项表示“不必要”；而D项表示“不会”，均不符合题义，故本题选B。7All the speech co
44、mpetitors _ remain in their own seats until the contest is over，according to the competition rule.Amust BmayCshall Dneed答案与解析：Cshall用于表示规定要求。8 Mum，I climbed to get the Teddy Bear from the top of the shelf.My goodness！You_yourself.You mustnt do that next time. Amust have hurt Bshould have hurt Cmay h
45、ave hurt Dcan have hurt答案与解析：C你可能会伤了你自己。may/might have done表示对过去发生情况的可能性推测。9I cant get through to the general managers office anyhow.The line is busy.Someone_the telephone.Amust use BusesCmust have been using Dmust be using答案与解析：Dmust be doing表示对现在正发生情况的肯定推测。must have been using是对过去的猜测，表示过去一直在做某事，不符
46、合句义。10Tom，did you see the film Avatar last night?Yes，but I really_，because I had lots of work to do.Acouldnt have Bmustnt haveCneednt have Doughtnt to have答案与解析：D题意为：“汤姆，昨天晚上你看电影阿凡达了吗？”“是的，但是我确实不应该看，因为我有许多工作要做。”ought to have done意为“应该做却没做”，oughtnt to have done意为“不该做却做了”。11Her brother _ be at home no
47、w，because he was seen playing basketball in the stadium just now.Amustnt BneedntCcant Dshouldnt答案与解析：C由playing basketball可知表语气较为肯定的否定推测，故选C。cant be at home意为“不可能在家”。12The little child_go out alone at night，so he_walk in the dark that night.Adarent; didnt dare toBdoesnt dare; dare not Cisnt dare to;
48、dared not toDdoesnt dare to; dare not to答案与解析：A题意为：这个小男孩晚上不敢单独出去，所以那天晚上他不敢走夜路。dare作为情态动词，后面直接跟动词原形，否定形式在dare后面直接加not；dare作为一般动词使用时，用dare to do结构，否定形式在dare前面加助动词和not。故选A。13I dont know what I_without the suitcase you lent me. Glad to have been of some help to you.Awould have done Bwould doCshould have
49、 done Dshould do答案与解析：A题意为：“我不知道没有你借给我的手提箱我将怎么办。”“很高兴对你有帮助。”would have done表示对过去事情的推测，意为“过去可能做”；should have done表示对某事的责备和批评，意为“本该做却没做”。14Well，lost again!Its not very important.We_forget about it，OK? Acant Bmay so soon Cmight as well Dwont soon答案与解析：C题意为，“哦，又输了！”“那不重要。我们不妨把这件事忘了，好吗？“might as well意为“无
50、妨；只好”是固定用法。15It rained a lot during their journey，so they_have had a good time.Acant BmustCshouldnt Dmight答案与解析：AA项表示对过去事情否定的推测，cant have done意为“不可能做”，shouldnt have done表示对某事的责备和批评，意为“本不该做却做了”。B、D都表示肯定的推测，由.rained a lot知意义不对。16The public transportation is very convenient in that big city，so there_be
51、 any difficulty in traveling around.Amustnt BwouldntCshouldnt Dneednt答案与解析：C题意为：那个大城市公共交通非常方便，在周围旅行不应该有任何困难。根据题意选shouldnt“不应该”。17That woman has been taking care of the two white tigers for 8 years.Oh，dear！She_a lot of difficulties!Acould go throughBmight go throughCought to have gone throughDmust ha
52、ve gone through答案与解析：D题意为：“那个女人已经照顾那两只白虎8年了。”“哦，天啊！她一定吃了很多苦。”must have done表示对过去事情的肯定推测，意为“一定做过”。18You_me up so early.I dont have to go to school today and I can sleep for more hours. Aneednt wakeBdont need to wake Cneednt have wokenDdidnt need to wake答案与解析：C题意为：你没必要那么早叫我起床，今天我不上学，可以多睡几个小时。neednt ha
53、ve done表示对某事的责备和批评，意为“没必要做而做了”。19All my family are looking forward to meeting you.You_come over and have dinner with us this weekend.AWill BmustCmay Dshall答案与解析：B题意为：我家所有人都盼望和你见面，这个周末你一定要过来和我们共进晚餐。根据题意可知选must“必须”。20This_Johns car.Its number is AC506.I dont think so.He said a small white car but this
54、 is a small yellow one.Acant be Bmust beCmay not be Dshould be答案与解析：B题意为：“那一定是约翰的汽车，车牌是AC506。”“我认为不是。他说他的是一辆白色的小轿车，但这是一辆黄色的。”根据题意可知是表示对现在肯定的推测，故选B。21Being examined twice a year，whether it is a car or a bus or a truck，is the rule that every driver_obey in this city.Ashall BcanCought to Dneed答案与解析：A题意
55、为：无论是小汽车、公共汽车还是卡车，在这个城市里年检两次是每位司机应该遵守的规定。当表示按要求“必须，应该”做的事并且主语是二、三人称时只能用shall。22Last night I tried to call on you but your dog simply_not let me come through the gate.Amight BcouldCshould Dwould答案与解析：D题意为：昨天晚上我试图拜访你但是你的狗就是不让我进门。might表示“也许”；could表示“可能”；should表示“应该”；would表示“意愿”。根据题意选D。23Why dont you bu
56、y the necklace since you like it so much?I_，but I dont have the money.Awould BwillCshould Dmay答案与解析：A题意为：“既然你非常喜欢那串项链，为什么不买呢？”“我是想买，但是我没有钱。”根据题意空处表示“想买”的意愿，所以排除C、D；因为“想买”是过去的意愿，所以选would。24Look！The clouds are gathering.Yes.Im afraid it_be pouring down soon.Acan BmustCshould Dmight答案与解析：D题意为：“看！云团在聚集。
57、”“是的，可能马上就会大雨倾盆了。”由句子提示看出此处表推测，由Im afraid看出把握不是非常大，故用might。can用于疑问句表示推测。25_he come to see you as he promised?Of course，please.And Id rather he_me the truth.AWill; tells BShall; toldCShould; will tell DCan; is telling答案与解析：B题意为：“你要他像他答应的那样过来看你吗？”“当然，而且我宁愿他告诉我真相。”表示征求对方意见或请求，第三人称作主语用shall；Id rather后面的从句要用虚拟语气，故选B。
