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1、语法专题语法专题(四四)情态动词情态动词2021/8/11 星期三1一、情一、情态动词态动词的基本含的基本含义义1表示能力用表示能力用can,could,be able to。注注意意:can与与be able to常常可可互互换换,但但也也有有不不可可互互换换的的情况:情况:can可可用用于于人人或或物物作作主主语语的的句句子子中中,但但be able to只只能由有生命的名能由有生命的名词词作主作主语语。can只只有有一一般般现现在在时时和和一一般般过过去去时时(could),但但be able to可可以以用用于于一一般般现现在在时时、一一般般过过去去时时、将将来来时时、完完成成时时。还
2、还可用于非可用于非谓语动词谓语动词短短语语。2021/8/11 星期三2be able to用用于于过过去去时时表表示示经经过过一一番番努努力力才才能能做做到到,一般用肯定句和疑一般用肯定句和疑问问句,不能用句,不能用could代替。如:代替。如:After doing more practice,he was able to speak English at the meeting.做做了了更更多多的的练练习习之之后后,他他能能在在会会上上说说英英语语了。了。2021/8/11 星期三3这样考过这样考过(2007东东城城)We_finish it ahead of time,though i
3、t was such a tough task.AcouldBwouldCwere able to Dought to解解析析:根根据据后后文文中中tough可可知知所所填填词词表表示示“(经经过过努努力力后后)能能”,应该用,应该用be able to,因此,因此C项正确。项正确。答案:答案:C2021/8/11 星期三4(2008湖湖南南)You dont have to know the name of the author to find a book.You _ find the book by the title.Amust BneedCcan Dwould2021/8/11 星期
4、三5解解析析:句句意意:你你没没有有必必要要一一定定要要通通过过作作者者的的姓姓名名来来找找到到一一本本书书。你你可可以以根根据据这这本本书书的的标标题题(书书名名)来来找找到到这这本本书书。must必必须须,一一定定;need有有必必要要;can可可以以,能能够够;would会会(表示过去将来表示过去将来)。根据句意,只有。根据句意,只有C选项符合题意。选项符合题意。答案:答案:C2021/8/11 星期三6(2007湖湖南南)The biggest problem for most plants,which_just get up and run away when threatened,
5、is that animals like to eat them.Ashant BcantCneednt Dmustnt解解析析:shant 不不愿愿意意;cant 不不能能,不不可可能能;neednt 没没有有必必要要;mustnt 不不允允许许,禁禁止止。句句意意:大大部部分分植植物物当当受受到到威威胁胁的的时时候候不不能能站站起起来来逃逃跑跑,所所以以对对它它们们来来说说最最大大的的问题是动物喜欢吃它们。问题是动物喜欢吃它们。答案:答案:B2021/8/11 星期三72表示可能性表示可能性理理论论可能性可能性 can,could,may,might现现在在可能可能性性肯定句肯定句may,
6、might,could疑疑问问句句can否定句否定句may not(可能不可能不),cant(不可能不可能)将来可能性将来可能性 may,might2021/8/11 星期三8注注意意:can,could,may,might可可能能性性依依次次减减少少。can表表示示理理论论上上的的可可能能性性,指指某某事事或或情情况况可可能能发发生生,但但并并不不说说明明实实际际上上真真会会发发生生;如如要要表表达达某某事事发发生生的的实实际际可可能能性,要用性,要用may,could或或might等:等:Anybody can make mistakes.任何人都可能犯任何人都可能犯错误错误。2021/8
7、/11 星期三9这样考过这样考过(宁宁波波两两地地联联考考)He _ the test again;in that case,his mother will be very disappointed.Ashould fail Bmust have failed Cmight fail Dcould have failed解解析析:由由句句意意知知“他他可可能能会会考考试试又又不不及及格格;那那样样的的话话,他妈妈会很伤心。他妈妈会很伤心。”might表推测,表示不太确定,故选表推测,表示不太确定,故选C。答案:答案:C2021/8/11 星期三10(2008浙浙江江)You _ be hung
8、ry alreadyyou had lunch only two hours ago!Awouldnt BcantCmustnt Dneednt解解析析:句句意意:你你不不可可能能已已经经饿饿了了你你两两个个小小时时前前才才吃吃的午饭。的午饭。cant“不可能不可能”;mustnt意为意为“绝对不可,被禁止绝对不可,被禁止”。答案:答案:B2021/8/11 星期三11(北北京京朝朝阳阳区区)Will Helen get disappointed if I tell her she failed?I think she _.Amay Bhas toCshould Dneed解解析析:据据句句意
9、意:如如果果你你告告诉诉海海伦伦她她考考试试没没过过,她她会会失望吗?失望吗?我认为她可能会。我认为她可能会。may“可能可能”,用来表示推测。,用来表示推测。答案:答案:A2021/8/11 星期三12(潍潍坊坊质质检检)My mother is a great cook and we _ never get enough of her cookies.Amay BneedCshould Dcan解解析析:由由句句意意“好好厨厨师师,她她做做的的甜甜饼饼我我们们永永远远吃吃不不够够。”知知选选D“能能够够”,表表示示推推测测。may也也可可表表示示推推测测,但但语气较弱。语气较弱。答案:答案
10、:D2021/8/11 星期三13(北京丰台区北京丰台区)Its supposed to rain tomorrow.I know,but the forecast _ be wrong.Weather forecasts are far from 100 percent accurate.Amust BcouldCshould Dwill解解析析:此此处处需需表表达达的的意意思思为为“可可能能”,只只有有B项项符符合合题题意。意。答案:答案:B2021/8/11 星期三143表示表示许许可可用用词词必要例句必要例句请请求求许许可可can,could,may,might,shallCould
11、I use your phone?Of course,you can.给给予予许许可可can,may,might as well已已给给予予的的许许可可canIts not fair.Joe can stay up till 10 and I have to go to bed at eight.2021/8/11 星期三15注注意意:在在会会话话中中,用用could和和might征征求求许许可可,表表示示语语气气委委婉婉。给给予予许许可可时时也也可可以以使使用用其其他他委委婉婉用用语语,如如sure,certainly,go ahead,please等。等。2021/8/11 星期三16这样
12、考过这样考过(宁宁波波质质检检)Mr Smith,_ he have all these letters typed for you right away?He _.They should be ready by 10 oclock this morning.Awill;must Bshall;has toCneed;will Dwould;ought to解解析析:shall用用于于一一、三三人人称称的的疑疑问问句句中中表表示示征征求求对对方方意见。意见。答案:答案:B2021/8/11 星期三17(江江西西师师大大附附中中)_ I book a table for dinner a few
13、 days ahead of time?Yes,you _.The restaurant is always full,especially during the holidays.AMust;will BMust;canCShall;shall DShall;must答案:答案:D2021/8/11 星期三18(2008成成都都)If you think the price of pork is too high,you _as well buy some beef.It depends on you!Ashould BwillCwould Dmay解解析析:may/might as wel
14、l是是固固定定用用法法,表表示示“不不妨妨,倒倒不如不如”。答案:答案:D2021/8/11 星期三194表表示示建建议议可可用用can,may,will,would,youd better(not)等。等。这样考过这样考过(北北京京东东城城区区)I feel bored with nothing interesting to do.You _ watch TV.There will be a very good Hollywood film on this evening.Aneed BcouldCwould Dshall2021/8/11 星期三20解解析析:上上文文提提出出没没事事可可干
15、干很很烦烦。下下文文提提出出建建议议,你你可可以以看看电电视视啊啊,could在在此此处处表表示示提提建建议议,would是是指指习习惯惯性性的动作,的动作,shall表示威胁的语气,表示威胁的语气,need 需要。需要。答案:答案:B2021/8/11 星期三21可能这样考可能这样考You_phone him if you want to,but you _.Hell surely phone you.Amay;mustnt Bhave to;needntCmight;wont Dcan;neednt解解析析:根根据据题题意意,第第一一个个空空须须填填“可可以以”,用用may或或can皆皆可
16、可,从从后后句句可可以以判判断断“你你没没有有必必要要给给他他打打电电话话”,第第二个空只能填二个空只能填neednt。答案:答案:D2021/8/11 星期三225表表示示义义务务、命命令令、要要求求等等用用must,have to,should,ought to等,意等,意为为“必必须须,应该应该”这样考过这样考过(四川四川)I dont care what people think.Well,you _.Acould BwouldCshould Dmight2021/8/11 星期三23解解析析:句句意意:我我不不在在乎乎人人们们想想什什么么。不不对对,你你应应该该在在乎乎。根根据据语语
17、境境,后后半半句句中中省省略略了了一一些些与与前前句句相相同同的的内内容容。该该题题目目实实际际上上考考查查了了情情态态动动词词的的用用法法。should用用以以表表示示义义务务或或责责任任,如如:You shouldnt drink and drive.你你不不应该喝酒后开车。应该喝酒后开车。答案:答案:C2021/8/11 星期三24(湖湖南南)Its the office!So you _ know eating is not allowed here.Oh,sorry.Amust BwillCmay Dneed解解析析:句句意意:这这是是办办公公室室!所所以以你你必必须须知知道道这这里
18、里不不许许吃吃东东西西。噢噢,对对不不起起。must“必必须须”,在在此此处处语语气气最强烈。最强烈。答案:答案:A2021/8/11 星期三25(2008海海淀淀)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解解析析:说说话话人人认认为为自自己己不不再再是是小小孩孩子子了了,对对方方“不不应应该该”再如此担心。再如此担心。答案:答案:C2021/8
19、/11 星期三26注注意意:must的的否否定定形形式式是是need not(不不必必,没没有有必必要要),不不用用must not(禁禁止止)。should还还表表示示吃吃惊惊,不不耐耐烦烦,不相信等。不相信等。2021/8/11 星期三27(海海淀淀)The purpose of education _ be to provide students with a value systemnot to prepare them for a specific job.Awill BshouldCcould Dmay答案:答案:B2021/8/11 星期三286表表示示意意愿愿和和决决心心用用s
20、hall,will,would,would rather。(1)shall表表示示说说话话人人的的强强烈烈意意志志,有有“命命令令,警警告告,允允诺,威胁诺,威胁”等含义,因此用于第二、第三人称。等含义,因此用于第二、第三人称。这样考过这样考过(2008北北京京)John promised his doctor he _ not smoke,and he has never smoked ever since.Amight BshouldCcould Dwould2021/8/11 星期三29解解析析:句句意意:约约翰翰答答应应他他的的医医生生不不再再吸吸烟烟了了,且且从从那那时时起起就就再再
21、也也不不吸吸了了。might not可可能能不不;should not不不应应该该;could not不不可可能能(推推测测),不不能能(表表能能力力);would有有“决决心心、决决意意”等意思。根据句意,可知等意思。根据句意,可知D项正确。项正确。答案:答案:D2021/8/11 星期三30(合合 肥肥 一一 六六 八八 中中 联联 考考)Hello,Peter.Would you please go shopping with me after school?Sorry.Our school is a boarding school.In school days nobody _ go
22、out of school without the head teachers permission.Awill Bcan Cmay Dshall2021/8/11 星期三31解解析析:据据句句意意“我我们们学学校校是是寄寄宿宿制制学学校校,没没有有班班主主任任的的允允许许任任何何人人不不得得离离校校。”知知这这是是学学校校的的规规定定。规规定定、规规则则或或法法律律条条文文用用情情态态动动词词shall,表表示示“命命令令、警警告告、允允诺诺、威胁威胁”等意义,故选等意义,故选D。其他选项无此用法。其他选项无此用法。答案:答案:D2021/8/11 星期三32(北北京京东东城城区区)Afte
23、r the bell rings,which indicates the ending of the exam,you _ stay where you are until all your papers are collected.Ashall BwouldCWill Dcan解析:解析:shall表示说话者的命令、意图等。意为表示说话者的命令、意图等。意为“一定一定”。答案:答案:A2021/8/11 星期三33(洛洛阳阳统统考考)They want to take possession of my house,but they _ not have it.Ashall BmustCwou
24、ld Dneed解解析析:shall表表示示强强烈烈的的意意志志,也也表表示示说说话话人人的的意意图图,决决心心。句句意意为为:他他们们想想占占有有我我的的房房子子,但但是是他他们们不不会会得得逞逞的。的。答案:答案:A2021/8/11 星期三34(2)will可以用于各种人称,表示意愿。可以用于各种人称,表示意愿。这样考过这样考过(江江西西吉吉安安一一中中)If you _ let me pay for the bill today,then at least allow me to drive you home.Ashouldnt BneedntCwont Dmustnt答案:答案:C2
25、021/8/11 星期三35(2006重重庆庆)Mr.Gordon asked me to remind you of the meeting this afternoon.Dont you forget it!OK.I_.Awont BdontCwill Ddo解解析析:句句意意:别别忘忘了了开开会会的的事事呀呀。好好的的,我我不不会会的的。注意情态动词的语气。注意情态动词的语气。答案:答案:A2021/8/11 星期三36特特例例:will的的主主语语若若是是无无生生命命的的东东西西,则则表表示示它它本本身身的的一一种种特特性性或或自自然然属属性性;wont则则表表示示失失去去某某种种功功
26、能能,意意为为“不起作用,就是不不起作用,就是不”如:如:Oil will float on water.油会浮到水面上。油会浮到水面上。Though he tried hard,the door wouldnt open.尽管他尽管他费费尽了力气,尽了力气,门门就是不开。就是不开。2021/8/11 星期三37(3)would rather意为意为“宁愿宁愿”。这样考过这样考过(2008山山东东寿寿光光现现代代中中学学)I didnt go to the museum yesterday.Yes,but I would rather you _ there too.Awent Bhad go
27、neCshould go Dwould have gone2021/8/11 星期三38解解析析:would rather后后跟跟句句子子时时,要要用用虚虚拟拟语语气气,如如果果是是与与现现在在或或将将来来相相反反从从句句要要用用过过去去时时;如如果果与与过过去去时时相相反反则则用用过过去去完完成成时时。根根据据上上一一句句中中的的时时间间状状语语看看应应该该表表达达的是与过去相反的虚拟语气,所以要用过去完成时。的是与过去相反的虚拟语气,所以要用过去完成时。答案:答案:B2021/8/11 星期三39还还可能这样考可能这样考Would you like to have a taxi?No,I_
28、walk there.Its such a lovely day.Acan Bought toChad better Dwould rather解解析析:根根据据最最后后一一句句“Its such a lovely day(天天气气这这么么好好)”,判判断断前前一一句句应应是是“我我宁宁愿愿步步行行去去那那”,用用would rather表示自己的意愿。其他项不能表示此意,故选表示自己的意愿。其他项不能表示此意,故选D。答案:答案:D2021/8/11 星期三407would或或“used to动词动词原形原形”表表过过去的去的习惯习惯。(1)在表示在表示过过去重复的去重复的习惯时习惯时,us
29、ed to可用可用would代替。代替。这样考过这样考过(2007郑郑州州)I tried to get through to her,but she simply_not turn on her cellphone as she was busy.Acould BmightCwould Dshould2021/8/11 星期三41解解析析:此此处处所所填填词词表表“习习惯惯”。而而情情态态动动词词中中只只有有will,would和和used to表表“习习惯惯”,其其中中will表表“经经常常性性的的习习惯惯”,would和和used to表表“过过去去的的习习惯惯”,而而would与与us
30、ed to的的区区别别是是:used to表表过过去去有有而而现现在在已已经经没没有有了了的的习习惯惯,即即表表过过去去与与现现在在对对比比;而而would只只表表过过去去的的习习惯惯,不不涉涉及及现现在在。根据句意,此处用根据句意,此处用would。答案:答案:C2021/8/11 星期三42(2)used to强强调调过过去去的的行行为为同同现现在在的的对对比比,含含有有“过过去去怎怎样样,而而现现在在却却不不这这样样了了”的的含含义义;而而would则则单单纯纯表表示示过过去的习惯性动作,常同去的习惯性动作,常同often,every day等连用。等连用。She isnt what s
31、he used to be.她她跟跟过过去去不不一一样样了了。(表示表示对对比,不可用比,不可用would)We would sit in the yard every evening and listened to his story.我我们们每每天天晚晚上上坐坐在在院院子子里里,听听他他讲讲故故事事。(表表示示过过去的重复性行去的重复性行为为)2021/8/11 星期三43可能这样考可能这样考Mother_us stories when we were young.Aused to tell Bused to tellingCwould tell Dwill tell解解析析:本本句句中中
32、有有确确定定的的时时间间段段when we were young,因此要用因此要用would。答案:答案:C2021/8/11 星期三44(3)表示过去的状态,只能用表示过去的状态,只能用used to,不可用,不可用would。There used to be a park here.以前以前这这里有一个公园。里有一个公园。可能这样考可能这样考He_a waiter,but now a taxi driver.Awould be Bused to beCcould be Dshould be解解析析:根根据据题题意意可可知知他他过过去去是是个个侍侍者者,而而现现在在不不是是了了,是一个出租车
33、司机,因此要用是一个出租车司机,因此要用used to be。答案:答案:B2021/8/11 星期三458dare和和need的用法的用法(1)dare的的用用法法:情情态态动动词词dare主主要要用用于于疑疑问问句句与与否否定定句句中中,后后接接动动词词原原形形(不不带带to),没没有有人人称称和和数数的的变变化化,但但过过去去式式为为dared;dare也也可可以以用用作作行行为为动动词词,后后跟跟to do不不定式。定式。可能这样考可能这样考Miss White has decided to explore in the forest by herself.She_ask her bo
34、yfriend to if she_go walking in the forest.2021/8/11 星期三46Aneednt to;dares toBdoesnt need;daresCneed not to;dare toDneednt;dare解析:解析:本题考查本题考查need和和dare作情态动词的用法。作情态动词的用法。答案:答案:D2021/8/11 星期三47There is a lot of smoke coming out of the teaching building there.Really?It _be a fire,most probably.Aought t
35、o BcanChave to Dmust解解析析:表表示示推推测测,依依据据most probably,语语气气应应为为“应应该该”。答案:答案:A2021/8/11 星期三48(2)need的的用用法法:need作作情情态态动动词词时时。没没有有人人称称时时态态的的变变化化,后后接接动动词词原原形形,多多用用于于疑疑问问句句或或否否定定句句中中;need也也可用作行为动词,后接名词、代词或带可用作行为动词,后接名词、代词或带to的不定式。的不定式。这样考过这样考过(2007长长 沙沙)Generally,reporters take positive lines.They do point
36、out a few problems that we_aware of,but theres nothing worrying.Aneed to BneedCneed be Dneed to be2021/8/11 星期三49解解析析:need用用作作情情态态动动词词时时,主主要要用用于于否否定定句句,疑疑问问句句和和条条件件从从句句中中,后后跟跟动动词词原原形形;need用用作作行行为为动动词词时时,用用于于肯肯定定、否否定定和和疑疑问问句句,后后跟跟名名词词、代代词词、动动词词不不定定式式或或动动词词ving形形式式(用用ving主主动动形形式式表表示示被被动动意意义义)。此此处处是是肯肯
37、定定句句,故故need用用作作行行为为动动词词,后后跟跟动动词词不不定定式式;be aware of“知道知道”,因此选,因此选D。答案:答案:D2021/8/11 星期三50(2010淄淄博博上上学学期期期期末末)In fact,you _ go outside at all.Theres a supermarket just downstairs.Acouldnt BmustntCneednt Dshouldnt答案:答案:C2021/8/11 星期三51(2007江西九所江西九所)I didnt go to work today.You_;it is Sunday.Adidnt need
38、 to Bmustnt haveCcant have Dneednt have解解析析:一一般般情情况况下下,动动词词不不定定式式可可省省略略to后后的的成成分分,而动词不定式本身的标志词而动词不定式本身的标志词to不能省略。不能省略。答案:答案:A2021/8/11 星期三52二、情二、情态动词态动词表示推表示推测测1情情态动词态动词用于用于对现对现在和在和过过去的推去的推测测。对现对现在的推在的推测测对过对过去的推去的推测测肯定肯定否定否定肯定肯定否定否定must docant domust havevedcanthavevedcould docouldnt docould haveved
39、couldnt havevedmay domay not domay havevedmay not havevedmight domight not domighthavevedmightnot havevedshould doshouldnt doshouldhavevedshouldnot haveved2021/8/11 星期三53注注意意:在在表表示示推推测测时时,can不不用用于于肯肯定定句句,may不不用用于疑于疑问问句。句。should可用于表将来的推可用于表将来的推测测。2021/8/11 星期三54这样考过这样考过(成成都都检检测测)I cant find Mr.Li any
40、where in the office building.Where _ he have gone?Amust Bcould Cshould Dwould2021/8/11 星期三55解解析析:could have done“有有可可能能做做了了某某事事”,用用于于推推测测时时,常常用用在在否否定定句句中中和和疑疑问问句句中中;must have done“肯肯定定是是做做了了某某事事”,用用于于肯肯定定推推测测,用用在在肯肯定定句句中中;should have done“该该做做某某事事而而事事实实上上未未做做”;would have done“将将有有可可能做能做”。据句意知:他有可能去了
41、哪里呢?综上,选。据句意知:他有可能去了哪里呢?综上,选B。答案:答案:B2021/8/11 星期三56(重庆重庆)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解解析析:句句意意:嗨嗨,Tom,知知道道Jane在在哪哪儿儿吗吗?她她肯肯定定在在教教室室里里。我我刚刚才才在在那那儿儿看看到到她她了了。从从对对话话中中可可以以看看出该空是对现在情况的较肯定的猜测。出该空是对现在情况的较
42、肯定的猜测。答案:答案:C2021/8/11 星期三57(2008重庆重庆)I cant find my purse anywhere.You _ have lost it while shopping.Amay BcanCshould Dwould解解析析:句句意意:我我到到处处都都找找不不到到我我的的钱钱包包。你你可可能能在在购购物物的的时时候候弄弄丢丢了了。根根据据句句意意首首先先排排除除C、D两两项项;can表表“实实际际”的的可可能能性性时时,只只能能用用于于否否定定句句、疑疑问问句句,故故被排除;被排除;A项表项表“推测推测”时常用于肯定句。时常用于肯定句。答案:答案:A2021/
43、8/11 星期三58(北北京京西西城城区区)There _ be any difficulty in passing the oral test since you have practiced a lot in school.Amustnt Bshant Cshouldnt Dneednt2021/8/11 星期三59解解析析:由由句句中中“since you have practiced a lot in school”即即“既既然然你你在在学学校校进进行行了了大大量量的的训训练练”推推知知“应应该该”是是不不会会有有什么困难。什么困难。should表推测表推测“按常理推测按常理推测”。故
44、选。故选C。答案:答案:C2021/8/11 星期三60(上上海海)It _ have been Tom that parked the car here,as he is the only one with a car.Amay BcanCMust Dshould解解析析:句句意意:一一定定是是汤汤姆姆把把车车停停在在这这里里的的,因因为为只只有有他他有有车车。此此句句为为强强调调句句型型,谓谓语语动动词词为为must have been,用用must表表示示语语气气肯肯定定的的推推测测。must have done表表示示“(过过去去)一定做了某事一定做了某事”。答案:答案:C2021/8
45、/11 星期三61(南通调研南通调研)John,how did your English exam go?I thought I _,but in fact I came in the top 10%in the class.Ashould have failed Bcouldnt have failed Cmight have failed Dmustnt have failed2021/8/11 星期三62解解析析:由由句句中中“I thought I _,but in fact I came.”知知我我通通过过了了考考试试,而而在在此此之之前前担担心心“有有可可能能考考试试不不及格及格”
46、,故选,故选C。答案:答案:C2021/8/11 星期三63(福福州州模模拟拟)Where is Michael?I cannot find him anywhere.He _ have been off long.I saw him study in the room just now.Ashouldnt Bcant Cmustnt Dneednt2021/8/11 星期三64解解析析:cant(不不可可能能);shouldnt(不不应应该该);mustnt(不不可可以以);neednt(不不必必)。由由句句中中“我我刚刚才才还还看看见见他他在在屋屋里里学学习习呢呢。”可可推推知知“他他还还
47、没没走走多多长长时时间间。”can表表推推测测,主主要用于否定句和疑问句中。综上,选要用于否定句和疑问句中。综上,选B。答案:答案:B2021/8/11 星期三652情态动词情态动词have done的其他含义的其他含义(1)“should/ought to havev.ed“意意为为“本本应应该该”,表表示过去应该做而没有做的事,也可表示惊讶、赞叹等情绪。示过去应该做而没有做的事,也可表示惊讶、赞叹等情绪。这样考过这样考过(2007陕陕西西)I told your friend how to get to the hotel,but perhaps I_have driven her the
48、re.Acould BmustCmight Dshould2021/8/11 星期三66解解析析:后后半半句句的的意意思思是是:但但也也许许我我本本应应该该开开车车送送她她去去那那儿儿。用用should,构构成成shouldhave done结结构构,意意思思是是:本应该做。本应该做。答案:答案:D2021/8/11 星期三67(2)“shouldnt/ought not tohavev.ed”意意为为“本本不不应应该该”,表示过去不应该做某事但却做了。,表示过去不应该做某事但却做了。这样考过这样考过(天天津津河河西西区区)He _ back to work without the docto
49、rs permission.Now,he has to stay in bed for a couple of days.Awouldnt have goneBcouldnt have goneCneednt have goneDshouldnt have gone 2021/8/11 星期三68解解析析:由由句句中中后后半半句句“he has to stay in bed for a couple of days.”知知“他他未未遵遵医医嘱嘱”,含含有有“不不该该做做某某事事而而做做了了”之之意意,故故选选D。wouldnt have gone“本本不不会会做做而而做做了了”;couldnt
50、 have gone“本本不不可可能能做做而而做做了了”;neednt have done“本不需做而做了本不需做而做了”。答案:答案:D2021/8/11 星期三69(厦厦门门质质检检)You _ late for yesterdays class meeting,as it was so important.Acouldnt be Bshouldnt be Cmustnt have been Doughtnt to have been解解析析:oughtnt to have done同同于于shouldnt have done表示表示“不该做某事而做了不该做某事而做了”。由句意知。由句意知