2021年天津高考英语复习练习课件：专题八-情态动词和虚拟语气(49页PPT)

1、考点1情态动词1.(2020天津夏,1)Jim says westay in his house as long as we leave it clean and tidy.A.must B.canC.needD.should答案B句意:吉姆说只要我们保持房子干净整洁,我们就可以待在他的房子里。考查情态动词。根据句意可知此处表达“能够,可以”。故选B项。A:必须;C:需要;D:应该。2.(2020天津第一次统考,3)You have scolded him for his poor performance. After all, he had done his best.A.mustB.sho

2、uldC.mustntD.shouldn答案D句意:你不应该因为他表现不好而责备他。毕竟他已经尽了他最大的努力。考查情态动词。shouldnt have done表示做了不该做的事情。 第1页，共49页。3.(2019天津春,13)Paul did a great job in the speech contest.He many times last week.A.need have practisedB.might practiseC.must have practisedD.could practise答案C句意:保罗在演讲比赛中表现得很好。他上周一定练习了很多次。本题考查情态动词。mu

3、st have done 是对过去发生的事情非常肯定的推测,故C项正确。4.(2018天津夏,10)I cant find my purse.Iit in the supermarket yesterday, but Im not sure.A.should leaveB.must have leftC.might leaveD.could have left答案D句意:我找不到我的钱包了。我可能昨天把它落在超市了,但我不确定。本题考查情态动词。设空处表示对过去事情的推测,故排除A、C两项;根据题干中的“but Im not sure”可推知答案为D项。must have done sth.过

4、去一定做了某事,与“Im not sure”不符,故排除B项。第2页，共49页。5.(2018天津春,3)Whats wrong with the door?The key has got stuck in it and come out.A.shouldntB.mustntC.needntD.wont答案D句意:这扇门怎么啦?钥匙卡在里面了,怎么也拔不出来。考查情态动词。A:不应该;B:禁止;C:不必,不需要。will表示某事在某种情况下是真实或可能的,wont表示“不能”。6.(2018北京,12)In todays information age, the loss of data ca

5、use serious problems for a com-pany.A.needB.shouldC.canD.must答案C句意:在当今的信息时代,对于一个公司来说,数据的丢失会造成严重的后果。本题考查情态动词。根据句意可知,语境要体现的是一种客观的可能性,因此用can符合语境。第3页，共49页。7.(2018江苏,24)Its strange that hehave taken the books without the owners permission.A.wouldB.shouldC.couldD.might答案B句意:简直是太奇怪了,他竟然未得到主人的允许就把这些书拿走了。考查情

6、态动词。“Its strange that.”句型中,that引导的主语从句的谓语部分用should+动词原形,属于should的用法之一,所以答案为B项。8.(2017天津夏,2)My room is a mess, but Iclean it before I go out tonight.I can do it in the morning.A.darentB.shouldntC.needntD.mustnt答案C句意:我的房间很乱,但是在今晚外出之前我不需要打扫它。我可以早晨打扫。本题考查情态动词。根据语境可知,我不需要打扫或没必要打扫房间,用neednt符合题意。darent不敢,s

7、houldnt不应该,mustnt表禁止,均不符合题意。第4页，共49页。9.(2017天津春,8)Someone the tap on, for the water was running over and flooding the bath-room.A.could leaveB.must have leftC.might leaveD.should have left答案B句意:有人肯定忘关水龙头了,水溢了出来把浴室淹了。考查情态动词。由for引出的分句中的was running可推知,是对过去发生的事情的肯定推测,故选B。10.(2017北京,21)Samuel, the talles

8、t boy in our class,easily reach the books on the top shelf.A.mustB.shouldC.canD.need答案C句意:塞缪尔是我们班里最高的男孩,他可以轻松地够到书架顶层的书。本题考查情态动词。根据语义可知应用情态动词can“可以,能够”表示能力。must必须,should应该,need需要,均不符合句意。第5页，共49页。11.(2016天津,5)It was really annoying;Iget access to the data bank you had recommended.A.wouldntB.couldntC.s

9、houldntD.neednt答案B句意:真令人恼火。我不能进入你推荐的数据库。根据It was really annoying可知应用couldnt。wouldnt不愿意;shouldnt不应该;neednt不必。12.(2016北京,31)I love the weekend, because Iget up early on Saturdays and Sundays.A.needntB.mustntC.wouldntD.shouldnt答案A句意:我爱周末,因为我不需要在周六和周日早起。本题考查情态动词。根据句意可知用neednt表示不需要。第6页，共49页。13.(2016浙江,17

10、)Georgetoo far.His coffee is still warm.A.must have goneB.might have goneC.cant have goneD.neednt have gone答案C句意:乔治不可能走太远。他的咖啡还是热的。考查情态动词。cant have done sth.不可能做过某事;must have done sth.过去一定做过某事;might have done sth.可能做过某事;neednt have done sth.本不必做某事。第7页，共49页。考点2虚拟语气1.(2019天津夏,14)The workers were not b

11、etter organized, otherwise they the task in half the time.A.accomplishedB.had accomplishedC.would accomplishD.would have accomplished答案D考查虚拟语气。句意:工人们没有被更好地组织起来,否则他们用一半的时间就能完成这项任务。表示对过去的虚拟,需用would/could/might/should have done sth.的形式,故选D项。2.(2019天津春,15)Marrys description of the party was so vivid tha

12、t I felt as if I there.A.would beB.might have beenC.would have beenD.had been答案D句意:玛丽对这次聚会的描述是如此生动,以至于我觉得我好像去过那里一样。本题考查虚拟语气。根据句意及句中felt可知,此处描述的是与过去事实相反的情况,应使用过去完成时。故D选项正确。第8页，共49页。3.(2019江苏,31)What a pity!You missed the sightseeing, or we a good time together.A.hadB.will haveC.would have hadD.had ha

13、d答案C句意:真遗憾啊!你错过了这次游览,否则我们就可以一起度过一段愉快的时光了。考查虚拟语气。根据语境可知,并列连词or在句中意为“否则,要不然”,为含蓄条件的一种表达方式,后面的部分与过去的事实相反,故用“would have done”的形式。4.(2018天津夏,15)If wethe flight yesterday, we would be enjoying our holiday on the beach now.A.had caughtB.caughtC.have caughtD.would catch答案A句意:如果昨天我们赶上那趟航班了,我们现在就会在沙滩上享受我们的假期了

14、。本题考查虚拟语气。If引导的条件状语从句表示与过去事实相反的假设,其谓语动词需用“had+过去分词”形式,故答案为A项。第9页，共49页。5.(2018天津春,14)Jane wishes that sheforeign trade instead of literature when she was in col-lege.A.studiedB.had studiedC.would studyD.might have studied答案B句意:简希望她上大学的时候学习的是对外贸易而不是文学。考查虚拟语气。由时间状语when she was in college可知,wish后的宾语从句表示

15、对过去的虚拟,谓语动词应用had done形式,故选B。6.(2018北京,13)They might have found a better hotel if they a few more kilometers.A.droveB.would driveC.were to driveD.had driven答案D句意:如果行驶的路途再远一些,他们或许就会找到一个更好的宾馆了。本题考查虚拟语气。根据题干中主句的谓语might have found可知语境是对过去的虚拟,因此if引导的从句中谓语动词形式应为had done,故选择D项。第10页，共49页。7.(2018江苏,27)There i

16、s a good social life in the village, and I wish Ia second chance to be-come more involved.A.hadB.will haveC.would have hadD.have had答案A句意:这个村子里的人们有良好的社交生活,我希望自己还能有机会去更多地参与其中。考查虚拟语气。wish后面的宾语从句中往往用虚拟语气,此处表达现在的一个愿望,谓语动词要用过去式,所以答案为A项。8.(2017天津夏,15)Do you have Bettys phone number?Yes.Otherwise, Iable to

17、 reach her yesterday.A.hadnt beenB.wouldnt have beenC.werentD.wouldnt be答案B句意:你有贝蒂的电话号码吗?有。否则,昨天我就不能联系到她了。本题考查虚拟语气。根据题干中的yesterday可知,此处是对过去发生的事情进行虚拟,设空处应为would have done的形式,根据语义选择B项。第11页，共49页。9.(2017天津春,15)Ten days are devoted to this training program and it be unsuccessful, it could be repeated lat

18、er.A.shouldB.couldC.mightD.would答案A句意:这项培训项目用了十天的时间。如果不能成功的话,之后会重复进行该项目。考查虚拟语气和倒装。should假如,万一,要是,常用在if条件句中。此处为省略if的虚拟条件句,把should提到句首省略了if。Should it be.=If it should be.。10.(2017北京,34)If the new safety systemto use, the accident would never have happened.A.had been putB.were putC.should be putD.would

19、 be put答案A句意:如果新的安全系统投入使用的话,这起事故就不会发生了。本题考查虚拟语气。根据题干中的主句谓语部分would never have happened可知语境是对过去发生的事进行虚拟,因此if引导的从句谓语部分应为had done,故选择A项。第12页，共49页。11.(2017江苏,22)not for the support of the teachers, the student could not overcome her diffi-culty.A.It wereB.Were itC.It wasD.Was it答案B句意:没有老师们的支持,这个学生不可能克服她的

20、困难。本题考查虚拟语气。根据题干中的the student could not overcome可知,语境是对现在事实的虚拟,be动词在虚拟语气中通常用were。当虚拟语气中if引导的从句省略了if时,从句部分应使用倒装结构,故选择B项。12.(2016天津,15)I was wearing a seat belt.If I hadnt been wearing one,I.A.were injuredB.would be injuredC.had been injuredD.would have been injured答案D句意:我系着安全带了。要不是系着安全带的话,我可能就受伤了。考查虚

21、拟语气。与过去事实相反的虚拟语气,if从句用了had done,主句应用would/could/should/might+have done。第13页，共49页。13.(2016北京,34)Why didnt you tell me about your trouble last week? If youme, I could have helped.A.toldB.had toldC.were to tellD.would tell答案B句意:你上周为什么不告诉我你遇到的麻烦?如果你告诉我,我本可以帮你的。本题考查虚拟语气。根据could have helped和last week可知,此处

22、表示与过去事实相反的假设,故选择B项。14.(2016浙江,15)Had the governments and scientists not worked together, AIDS-related deathssince their highest in 2005.A.had not fallenB.would not fallC.did not fallD.would not have fallen答案D句意:要不是政府和科学家齐心协力的话,与艾滋病有关的死亡人数就不会在2005年达到顶峰后下降了。考查虚拟语气。此处表示与过去事实相反的虚拟语气,省略了if的从句用了had done,主

23、句应用would/could/should/might+have done。第14页，共49页。15.(2016江苏,27)If it for his invitation the other day,I should not be here now.A.had not beenB.should not beC.were not to beD.should not have been答案A句意:如果不是因为那天他的邀请,我现在是不会在这里的。考查虚拟语气。根据语境可知,本题用了虚拟语气,又根据主句中的now和从句中的the other day可知本句是一个错综时间条件句,主句和现在的事实相反,

24、从句和过去的事实相反,故从句用had done。第15页，共49页。A组考点基础题组考点1情态动词1.(2020天津南开上学期期末,5)Skills like critical thinking and analysis be found on the Inter-net, because they must be acquired in the context of facts. A.cantB.needntC.mustntD.shouldnt答案A句意:像批判性思维和分析这样的技能在网上找不到,因为它们必须基于事实背景获得。考查情态动词。cant不能;neednt不必;mustnt禁止;s

25、houldnt不应该。根据because they must be acquired in the context of facts可知答案。第16页，共49页。2.(2020天津南开线上自检,15)Tony what I did annoying though he didnt say anything.So you think you will have to make an apology?A.could findB.should have foundC.might findD.must have found答案D句意:托尼肯定感到我做的事让他烦心,虽然他什么也没说。所以你认为你必须要道

26、歉?此处表示对过去情况的推测,故用“情态动词+have done”的结构,答案从B、D中选。should have done表示“应该做而没做”,must have done表示肯定推测,故选D。3.(2020天津河北线上自检,5)If you go, at least wait until the storm is over.A.canB.mayC.mustD.will答案C句意:如果你非走不可,至少等到暴风雨过去。考查情态动词。must必须。故选C。第17页，共49页。4.(2020天津和平线上自检,10)I have one regret about the time I spent i

27、n high school: I more advanced courses that are really helpful.A.couldnt have takenB.should have takenC.neednt have takenD.must have taken答案B句意:我的高中生活有一个遗憾:我应该上更多很有用的高级课程。should have done应该做而没做。故选B。5.(2019天津和平一模,8)Did Jim come?I dont know.He while I was out.A.might have comeB.might comeC.must have c

28、omeD.should have come答案A句意:吉姆来了吗?我不知道,我出去的时候他可能来过。考查情态动词。由while I was out可知,此处表示对过去情况的推测;由“I dont know.”可知,他有可能来过,但不肯定,故选A。 第18页，共49页。6.(2019天津河东一模,6)Where is my Chinese book? I remember I put it here yesterday.You it in the wrong place.A.must putB.should have putC.must have put D.might put 答案C句意:我的

29、中文书在哪儿?我记得昨天把它放在这儿了。你肯定是放错地方了。考查情态动词。此处表示对过去情况的肯定推测,故选C。7.(2019天津河西质调一,8)Days later, my brother called to say he was all right, but say where he was.A.mustntB.shouldntC.wouldntD.mightnt答案C句意:几天后,我的哥哥打来电话说他一切都好,但是不愿意说他在哪里。考查情态动词。mustnt 禁止;shouldnt 不应该;wouldnt 不愿意;mightnt 可能不。故选C。第19页，共49页。8.(2019天津红桥

30、一模,9)Whats wrong with you?Oh,I am sick.I so much ice cream just now.A.shouldnt eat B.mustnt eat C.couldnt have eatenD.shouldnt have eaten答案D句意:你怎么了?噢,我不舒服,刚才不应该吃那么多冰激凌。考查情态动词。shouldnt have done 表示过去本不应该做某事却做了,符合语境,故选D。9.(2019天津十二校二模,13)He is a bad-tempered fellow, but he be quite charming when he sm

31、iles.A.shallB.shouldC.canD.must答案C句意:他是个脾气糟糕的家伙,但是当他微笑的时候可能很令人着迷。考查情态动词。shall 与第二、三人称连用,在陈述句中表示命令、规定等;must 必须,肯定;can 可能,可以;should 应该,或表推测。根据语境选择C。第20页，共49页。10.(2019天津二模,7)The room is so clean.He have cleaned it yesterday evening.A.willB.needC.canD.must答案D句意:这个房间很干净,他昨天晚上肯定打扫过了。考查情态动词。此处表示对过去情况的肯定推测,

32、应用must have done,故D项正确。11.(2019天津南开一模,14)What does the sign over there read?“No person smoke or carry a lighted cigarette, cigar or pipe in this area.”A.willB.shallC.mayD.must答案B句意:那边的标牌上写着什么呢?“此地禁止吸烟和携带点燃的香烟、雪茄、烟斗等。”考查情态动词。will与各种人称连用,在陈述句中表意愿、意志;shall 与第二、三人称连用,在陈述句中表命令、指示、规定等;may可能;must肯定,必须。a第21

33、页，共49页。12.(2018天津红桥二模,7)The two walls are to bear the weight of the room.You remove them.A.needntB.couldntC.mustntD.darent答案C句意:这两堵墙是承重墙。你不能把它们移走。考查情态动词。mustnt“禁止,千万不能”符合语境;neednt不必;couldnt不能;darent不敢。13.(2018天津和平一模,9)Some people who dont like to talk much are not necessarily shy;they just be quiet

34、people.A.mayB.mustC.shouldD.would答案A句意:有些不太喜欢说话的人不一定是害羞,他们可能只是安静的人。考查情态动词。语境表示“有可能”,且语气不太肯定,故选may。第22页，共49页。14.(2018天津十二校一联,11)Im not sure of the reason for the dogs illness, but itby eating too much.A.may have been caused B.need have been causedC.should have been causedD.must have been caused答案A句意:

35、我不确定这只狗生病的原因,但可能是吃得太多的缘故。考查情态动词。此处表示对过去情况不太肯定的推测,需用may have done,故选A。should have done过去本应该做而没有做;must have done(过去一定做了)表示对过去情况的肯定推测。第23页，共49页。考点2虚拟语气1.(2019天津和平一模,15)The suggestion came from the chairman the new rule .A.what;was developedB.that;was developedC.what;be developedD.that;be developed答案D句意

36、:主席建议新的规定应该得到改进。考查虚拟语气。在表示建议时,suggestion 后的同位语从句要用虚拟语气,其构成是“should+动词原形”,should 可以省略。本题中develop 与the new rule 之间为被动关系,故选D。2.(2019天津河西二模,13)Im sorry to say I failed to meet the deadline.With better equipment, I the task on schedule.A.would accomplishB.could accomplishC.must have accomplishedD.might h

37、ave accomplished答案D句意:很抱歉,我没能如期完工。如果能有更好的设备,我可能会按预定时间完成任务的。考查虚拟语气。with better equipment 表示含蓄虚拟条件,相当于If I had had better equipment,则设空处所在的句子应用“I would/should/might/could+have done”的形式。故选D。第24页，共49页。3.(2019天津十二校二模,15)You didnt let me drive.If we by turns, you so tired.A.drove;didnt getB.drove;wouldnt

38、getC.were driving;wouldnt getD.had driven;wouldnt have got答案D句意:你没有让我开车,如果我们轮流开的话,你就不会这么累了。考查虚拟语气。此处是对过去情况的虚拟。if 引导的条件状语从句应用“if+主语+had+过去分词”,主句应用“主语+should/would/could/might+have+过去分词”,故选D。4.(2019天津二模,15)If he his teachers suggestion, he would have won the English Speech Contest.A.had followedB.shou

39、ld followC.was to followD.followed答案A句意:如果他听从了老师的建议,他会在英语演讲比赛中获胜的。考查虚拟语气。根据主句的结构和题意可知,此处是对过去情况的虚拟,if引导的条件状语从句应用“if+主语+had+过去分词”,故选A。第25页，共49页。5.(2019天津质调一,15)If the weather had been better, we a picnic yesterday.A.must have had B.would haveC.could have had D.will have答案C句意:如果昨天天气好些,我们可能就去野餐了。考查虚拟语气。

40、根据题干中的yester-day 可知,此处是对过去情况的虚拟。设空处所在的句子为主句,应用“should/would/could/might+have+过去分词”的形式,故选C。6.(2018天津十二校二联,15)I forgot all about the party yesterday.If my secretary hadnt reminded me, I , too.A.didB.hadC.shouldD.would have答案D句意:昨天的聚会我全忘了。要不是我的秘书提醒我的话,我也会的。考查虚拟语气。由时间状语yesterday及从句中的hadnt reminded可知,此处是

41、对过去情况的虚拟,故用“would+have done”,选D。此处为省略形式,省去了have后的done。第26页，共49页。7.(2018天津南开一模,5)We were delayed at the airport.Otherwise, we here by lunch.A.must have beenB.could beC.should beD.would have been答案D句意:我们在机场被耽搁了。否则,我们就能在午餐前到这里了。考查虚拟语气。We were delayed at the airport.是过去发生的事情;otherwise相当于“If we hadnt bee

42、n delayed at the airport”,故此处用would have done,选D。8.(2018天津河西一模,15)Without our teams great effort, the art exhibition last week such a great success.A.wouldnt beB.wont beC.wouldnt have beenD.wont have been答案C句意:没有我们团队的巨大努力,上周的艺术展就不会取得如此大的成功。考查虚拟语气。由without短语及last week可知,此处表示对过去情况的虚拟,故用“would+have don

43、e”结构,故选C。第27页，共49页。9.(2018天津十二校一联,15)My motherangry with me, but I couldnt shut my mouth before I shouted at her!A.wasntB.wouldnt be C.wouldnt have been D.hadnt been答案C句意:我母亲本来不会生我的气的,但在我对她大喊大叫之前,我没闭上嘴!考查虚拟语气。由but后的句子可知,此处是对过去情况的虚拟,故选C。10.(2018天津河东一模,14)I was caught in a traffic jam for over an hour

44、;otherwise, Iyou wait-ing for such a long time.A.had not keptB.will not keepC.would not have keptD.have not kept答案C句意:我在路上堵了一个多小时,否则就不会让你等这么长时间了。考查虚拟语气。由语境可知,此处是对过去事实的虚拟,故用“would+have+过去分词”,选C。第28页，共49页。B组专题综合题组(时间:90分钟分值:100分)1.(2020天津河西线上自检,14)I have worried before I came to the new school, for my

45、 class-mates here are very friendly to me.A.mightntB.mustntC.needntD.couldnt答案C句意:来新学校之前我本不必担忧的,因为我这里的同学对我都很友好。neednt have done 本不必做。故选C。2.(2020天津河东线上自检,6)Jenny have kept her word. I wonder why she changed her mind.A.mustB.shouldC.needD.would答案B句意:珍妮本应该遵守诺言的。我想知道她为什么改变了主意。should have done本应该做而没做。故选B

46、。第29页，共49页。3.(2020天津河北一模,12)According to a newly released regulation on online video services, no one generate, release or spread fake news or information by using such technologies.A.shallB.canC.willD.may答案A句意:根据一项新发布的关于网络视频系统的规定,不得有人利用这样的技术生产、发布和传播虚假新闻或信息。考查情态动词。shall作“应该”讲时可以表示命令或指示,符合语境,故选A。4.(2

47、020天津河东一模,6)While we think we know what we want, were often wrong.A.mayB.willC.shallD.must答案A句意:虽然我们也许认为我们知道自己想要什么,但我们往往是错的。考查情态动词。may也许,可能,符合语境,故选A。第30页，共49页。5.(2020天津和平二模,7)Why did Mary ignore me at the party last night?She you. She wasnt wearing her glasses.A.shouldnt have seenB.neednt have seenC

48、.wont have seenD.might not have seen答案D句意:为什么昨晚聚会上玛丽忽视我?她也许没看到你吧。她没戴眼镜。考查情态动词。might have done表示对过去可能性比较小的事件的推测。6.(2020天津河西二模,2)My computer start this morning. There must have been something wrong with it.A.shouldntB.wouldntC.needntD.mustnt答案B句意:今天早上我的电脑无法启动了。它肯定是有什么地方坏了。考查情态动词。would not就是不会。第31页，共49

49、页。7.(2019天津河北一模,9)Its really great to have a computer to store my photos.Dont count on it too much.It break down and youd better make a copy of them.A.mustB.canC.shouldD.will答案B句意:能有一台电脑来储存我的照片真是太棒了。别太指望它了,电脑也有可能出故障,你最好还是留个备份。考查情态动词。must 肯定;can 可能;should 应该;will 愿意。故选B。8.(2019天津河北一模,11)What a pity!

50、You missed my birthday party.Terribly sorry! my uncle not visited me unexpectedly.A.ShouldB.WouldC.HadD.Did答案C句意:太遗憾了!你错过了我的生日聚会。真抱歉!如果我叔叔没有突然间来访,我就不会错过你的生日聚会的。考查虚拟语气。此处是对过去情况的虚拟,故设空处所在的句子应为:If my uncle had not visited me unexpectedly,此处省略If,将had提前,变为:Had my uncle not visited me unexpectedly。故选C。第32

51、页，共49页。9.(2019天津河东一模,14)I went to see The Wandering Earth last night.It was fantastic!You were so lucky! How I wish I the ticket too!A.getB.gotC.had gotD.would get答案C句意:昨晚我去看流浪地球了,太精彩了!你好幸运!我多么希望也有一张电影票啊!考查虚拟语气。wish后的宾语从句表示一种不可能实现的愿望,应用虚拟语气,用过去完成时表示一个与过去事实相反的假想情况。故选C。10.(2019天津红桥二模,12)The weather tu

52、rned out to be fine.I the trouble to carry the umbrella with me.A.should have takenB.must have takenC.couldnt have takenD.neednt have taken答案D句意:天气结果很晴朗,我本不必不辞辛劳地带着伞的。考查情态动词。should have done 表示过去本应该做某事而实际上未做;must have done 表示过去肯定做过某事;couldnt have done 表示过去不可能做过某事;neednt have done 表示过去本没必要做某事却做了。第33页

53、，共49页。11.(2019天津红桥一模,15)I regret not having taken your advice.Otherwise, I this mistake at the moment.A.didnt makeB.wouldnt makeC.hadnt makeD.wouldnt have made答案B句意:我真后悔没采纳你的意见,否则,我此刻不会犯这个错误的。考查虚拟语气。oth-erwise 表示含蓄虚拟条件,相当于If I had taken your advice,再根据at the moment 可知,此处相当于一个错综时间条件句,故设空处所在的句子应用“主语+s

54、hould/would/could/might+动词原形”,故选B。12.(2019天津南开一模,15)They were abroad during the months when we were carrying out the inves-tigation, or they to our help.A.would have comeB.could comeC.have comeD.had come答案A句意:在我们实施调查的那几个月,他们在国外。否则,他们会来帮助我们的。考查虚拟语气。or表示含蓄虚拟条件,相当于If they hadnt been abroad,对应的主句为:They

55、would have come to our help。 故选A。第34页，共49页。13.(2019天津十二校一模,10)I have something important to tell John.But I cant find him.His cell phone is here, so he have gone too far.A.mustntB.needntC.wouldntD.cant答案D句意:我有一些重要的事情要告诉约翰,但是我找不到他。他的手机在这儿,所以他不可能走太远。考查情态动词。cant have done 表示对过去情况的推测,表示不可能做过某事。根据语境可知选D。

56、14.(2019天津十二校一模,15)There is a real possibility that these animals could be frightened, a sudden loud noise.A.being thereB.should there beC.there was D.there having been答案B句意:如果突然间有响声,这些动物很有可能会受惊的。考查虚拟语气。根据语境可知,本题是对将来的虚拟。if 引导的条件状语从句为“if+主语+should+动词原形”。本题中的虚拟条件从句省略了If,把should 提到句首,变为倒装句式。故选B。第35页，共4

57、9页。15.(2018天津十二校二联,11)There is a possibility that instead of cash, mobile payments be-come the main method of payment by 2020.A.mayB.mustC.shallD.need答案A句意:移动支付有可能在2020年之前代替现金支付,成为主要的支付方式。考查情态动词。由前面的possibility可知,此处表不太肯定的推测,意为“或许,可能”,故选A。16.(2018天津和平二模,9)I saw Mary in the library yesterday.You her.S

58、he is still abroad.A.cant have seenB.mustnt seeC.mustnt have seenD.couldnt see答案A句意:我昨天在图书馆看到玛丽了。你不可能看到她。她还在国外。考查情态动词。此处表示对过去事情的否定性推测,表示“不可能”,故选A。第36页，共49页。17.(2018天津河北二模,2)When camping in woodland, avoid standing by dead trees, which fall on a windy night.A.willB.mustC.shouldD.may答案D句意:在林地野营时,避免在枯树

59、旁宿营,枯树可能会在刮风的夜晚倒下。考查情态动词。此处表示可能性,故选may,答案为D。18.(2018天津南开三模,11)She would be much healthier nowwith that much pressure from work when young.A.had she not burdened herself B.were she not burdenedC.should she not burden herself D.were she not to be burdened答案A句意:如果她年轻时没有承受那么大的工作压力,她现在会健康得多。考查虚拟语气和倒装。该句为

60、错综时间条件句,主句是对现在(now)的虚拟,从句是对过去(when young)的虚拟,故动词需用had done形式;此处把从句谓语had done中的助动词had提到主语前,用了倒装结构。故答案为A。第37页，共49页。19.(2018天津部分区质调二,15)What do you think would happen if the engine suddenly stop working?A.shouldB.mightC.couldD.would答案A句意:如果发动机突然停止工作,你认为会怎么样?此处表示可能,意为“假如,万一”,故选A。20.(2018天津和平二模,15)If he