(完整版)历年专四真题语法归类
专四语法真题(完整)
26. I should very much like to go to the party, but
_________. A. will not be invited B. I was not invited C. I have not been invited D. I am not invited
8. For some time now, world leaders _____out the necessity for agreement on arms reduction. a. had been pointing b. have been pointing c. were pointing d. pointed
Test Yourself-----Multiple Choice
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11. James has just arrived, but I didn‘t know he _________ until yesterday. A. will come B. was coming C. had been coming D. came
14. Do you know Tim‘s brother? He is _________
than Tim. A. much more sportsman B. more of a sportsman C. more of sportsman D. more a sportsman
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7. Jack ______from home for two days now, and I am beginning to worry about his safety. a. has been missing b. has been missed c. had been missing d. was missed
2000-2019历年专四语法真题参考答案（完整版）
2000-2019历年专四语法真题参考答案（完整版）英语四级考试2000-2019年历年专四语法真题答案--2019年11. Moving from beginning to end by order of time, narration relies on a more natural pattern of organizationthan ________.A. will other types of writingB. do other types of writingC. on other types of writingD. other types of writing分析：选D。
本题很明显的一道送分题，考查比较状语从句。
观察句子和选项，可看出本题要比较的对象是“narration”和“other types of writing”。
than在此处是连词，后面需要接句子，后接应是other types of writing rely on natural pattern of organization，与主句一致部分可省略，即other types of writing。
12. ________ the attempted rescue mission, the hostages might still be alive.A. If it not had been forB. If had it not been forC. Had it not been forD. Had not it been for分析：选C。
考查虚拟语气。
当虚拟条件句中含有were，had，should等助动词时，可以将if省略，然后将were，had或should等词移至句首，注意从句中否定词not不需要提前。
本句正常语序为If it had not been for the attempted rescue mission, the hostages might still be alive。
专四语法——精选推荐
一、附加疑问句 (2)二、比较句式 (2)三、倒装 (4)四、虚拟语句 (5)五、非谓语动词 (8)六、从属分句 (10)(一)状语从句 (10)(二)关系从句（定语从句） (13)(三)名词性从句 (14)一、附加疑问句附加疑问句由两部分组成，前面是一个陈述句，后面是一个简短问句，下面分析几种特殊的附加疑问句形式：1. 如果陈述部分是祈使句，附加疑问句部分一般使用will you, w on’t you例如：Pass me some salt, won’t you?递给我一些盐，好吗？2. 如果陈述部分的主语是this, that, these, those时，附加疑问句部分的主语为it或they例如：This is exciting, isn’t it?这很令人兴奋，不是吗？3. 如果陈述部分是一个复合句，则分两种情况：1) 一般情况下，附加疑问句部分的主语应与陈述部分的主语保持一致，例如：Mary said her son would come, didn’t she? 玛丽说她的儿子要来，不是吗？2) 但如果陈述部分的主语是第一人称，且谓语动词是suppose, think, believe等，附加疑问句的主语则应该与从句的主语保持一致，例如：I think he will come, won’t he?我认为他会来，不是吗？4. 如果陈述部分是there be存在句，附加疑问句部分的主语也应该用there例如：There are some books, aren’t there?有一些书，不是吗？5. 如果陈述部分中带有否定词或半否定词，如never，hardly，scarcely，seldom，no，none，no one，rarely，nowhere，nothing，nobody，few，little等，附加疑问句的谓语要用肯定形式例如:There are rarely extremes of cold or heat in Britain, are there？英国很少出现严寒或酷暑天气，是吗？二、比较句式1. 形容词、副词比较级和最高级的用法1) 比较级修饰语(a) 比较级之前的副词修饰语常用many, much, far, a little, a bit, slightly, a great deal, a lot, somewhat, rather, etc.。
历年专四语法真题参考答案
历年专四语法真题参考答案历年专四语法真题参考答案在备考英语专业四级考试中，语法部分一直是考生们的重点和难点。
历年来，专四语法真题的难度逐渐增加，要求考生对英语语法掌握得更加熟练。
本文将为大家提供一些历年专四语法真题的参考答案，希望能对大家备考有所帮助。
一、单项选择题1. The weather forecast says it ________ tomorrow.A. will rainB. rainsC. is rainingD. rained参考答案：A. will rain解析：根据句子结构和时间状语“tomorrow”，可以确定此处需要用将来时态。
选项A中的“will rain”符合语法规则。
2. I am tired. I ________ a long day at work.A. hadB. have hadC. haveD. will have参考答案：B. have had解析：根据句子结构和时间状语“am tired”，可以确定此处需要用现在完成时态。
选项B中的“have had”符合语法规则。
3. ________ you have any questions, please feel free to ask.A. WouldB. ShouldC. CouldD. If参考答案：D. If解析：根据句子结构和语境，此处需要用虚拟语气来表示“如果”。
选项D中的“If”符合语法规则。
二、改错题1. I didn't seen him for a long time.改为：I haven't seen him for a long time.参考答案：haven't解析：根据句子结构和时间状语“for a long time”，可以确定此处需要用现在完成时态。
选项haven't符合语法规则。
2. She is very good at play the piano.改为：She is very good at playing the piano.参考答案：playing解析：根据句子结构和动词“play”的用法，可以确定此处需要用动名词形式。
专业英语四级(核心语法)历年真题试卷汇编7(题后含答案及解析)
专业英语四级（核心语法）历年真题试卷汇编7(题后含答案及解析) 题型有： 4. GRAMMAR & VOCABULARYPART IV GRAMMAR & VOCABULARY (15 MIN)Directions: There are thirty sentences in this section. Beneath each sentence there are four words or phrases marked A, B, C and D. Choose one word or phrase that best completes the sentence.1．There are only ten apples left in the baskets, ______the spoilt ones.A．not countingB．not to countC．don’t countD．having not counted正确答案：A解析：非限定动词题。
本句中现在分词作条件状语；其否定形式需要将否定词放在现在分词的前面。
因此，本题正确答案为not counting。
2．What’s the chance of______a general election this year?A．there beingB．there to beC．there beD．there going to be正确答案：A解析：非谓语动词题。
本句中of引导的介词短语是修饰限定chance的；of 后边要跟名词或动名词构成介宾结构；而动词结构there be a general election的名词结构为there being a general election。
因此，本题应该选择[A]。
3．The meeting was put off because we______a meeting without John.A．objected havingB．were objected to havingC．objected to haveD．objected to having正确答案：D解析：动词搭配题。
专四真题常考的语法进行总结
比较结构comparative Construction英语中比较结构最主要有三种as…as… 结构more…than… 结构the most…结构1.as…as…结构基本模式as+adj/adv 原级as…否定形式not as/so+adj/adv 原级as…也可用less…than… E.g John is as bright as Bob.否定John is not as bright as Bob. John is less bright than Bob.用法1.主语不同比较项目相同。
This parcel is as heavy as that one.2.主语相同比较项目不同。
The girl was as brilliant as she was beautiful.这姑娘既漂亮又聪明。
3.主语和比较项目都不同。
The swimming pool isn’t twice as wide as that one is long.倍数as adj/adv as.另一种模式as much/many n as…否定形式not as/so much/many n as…He took as much butter as he need. He didn’t take as/so much butter as he needed.2 She has written as many essays as her brother does. She hasn’t written as many essays as her brother does. 变体形式as adj原级名词词组as…注意下列句子的语序A. George is as efficient a worker as Jack.名词的意义受到强调or George is a worker who is as efficient as Jack. 形容词的意义受到强调B. I don’t want as expensive a car asthis.2. more …than…结构用法：1.用于在两个人或物之间作同一方面的比较。
专业英语四级(核心语法)历年真题试卷汇编4
专业英语四级（核心语法）历年真题试卷汇编4(总分：62.00，做题时间：90分钟)一、 GRAMMAR & VOCABULARY(总题数：31，分数：62.00)1.PART IV GRAMMAR & VOCABULARY (15 MIN)Directions: There are thirty sentences in this section. Beneath each sentence there are four words or phrases marked A, B, C and D. Choose one word or phrase that best completes the sentence.（分数：2.00）__________________________________________________________________________________________ 解析：nd belongs to the city; there is______thing as private ownership of land.（2006年考试真题）（分数：2.00）A.no such aB.not suchC.not such aD.no such √解析：解析：与下列限定词搭配时，such为后位限定词：all／many／few／other／another／some/／any ／no／one／two+such．There is no such thing as…意为“没有……这样的事”。
3.Which of the following contains an adverbial clause of cause? （2012年考试真题）（分数：2.00）A.I got a job as soon as I left university.B.As there was no answer, I wrote again. √C.You must do the exercises as I show you.D.Wealthy as he is, Mark is not a happy man.解析：解析：选项A中as soon as引导时间状语从句；选项B中as引导原因状语从句；选项C中as引导方式状语从句；选项D中as引导让步状语从句。
1994-2005年专四语法真题1 +key
1994-2005年专四语法真题（分类1）I.独立主格结构1. Agriculture is the country’s chief source of wealth, wheat ______ by far the biggest cereal crop.a. isb. beenc. bed. being TEM-4 20032. Time ______, the celebration will be held as scheduled.a. permitb. permittingc. permittedd. permits TEM-4 20033. There ____ nothing more for discussion, the meeting came to an end half an hour earlier.a. to beb. to have beenc. beingd. be 20004. _____ no cause for alarm, the old man went back to his bedroom.a. There wasb. Sincec. Beingd. There being 19965. The country’s chief exports are coal, cars and cotton goods, cars ______the most important of these.a. have beenb. arec. beingd. are being 1994Answers: d b c d cII. 定语从句1. Above the trees are the hills, _______ magnificence the river faithfully reflects on the surface.a. whereb. of whosec. whosed. which 20032. They overcame all the difficulties and completed the project two months ahead of time, _____is something we had not expected.a. whichb. itc. thatd. what 20033. He is quite worn out from years of hard work. He is not the man _______ he was twenty years ago.a. whichb. thatc. whod. whom 20034. We’ve just installed two air-conditioners in our apartment, ______should make great differences in our life next summer.a. whichb. whatc. thatd. they 20025. Have you ever been in a situation _____ you know the other person is right yet you cannot agree with him?a. by whichb. thatc. in whered. where 20026. Firms that use computers have found that the number of staff _______is needed for quality control can be substantially reduced.a. whoseb. asc. whatd. that 20007. I’ve never been to Lhasa, but that’s the city _______.a. I’d most like to visitb. which I like to visit mostlyc. where I like to visitd. I’d like much to visit 19998.She remembered several occasions in the past ____she had experienced a similar feeling.a. whichb. beforec. thatd. when 19989. The physicist has made a discovery, _____of great importance to the progress of science and technology.a. I think which isb. that I think isc. which I think isd. I think that is 199710. I have never been to London, but that is the city_______.a. where I like to visit mostb. I’d mos t like to visitc. which I like to visit mostlyd. where I’d like most to visit 199711. This company has now introduced a policy _____pay rises are related to performance at work.a. whichb. wherec. whetherd. what 199612. Only take these clothes ______really necessary.a. as wereb. as they arec. as they wered. as are 199413. _____ is often the case with a new idea, much preliminary activity and optimistic discussion produced no concrete proposals.a. Thatb. Itc. Thisd. As 1994Answers: 12Such men as he (is) are rare now.现在像他这样的人很少了.1-5: c a b a d 6-10: d a d c b 11-13: b b dIII. 状语从句让步状语从句1. _______I like economics I like sociology much better.a. As much asb. So muchc. How muchd. Much as 20032. Fool _______Jane is, she could not have done such a thing.a. whob. asc. thatd. like 20023. ______I sympathize, I can’t really do very much to h elp them out of the difficulties.a. as long asb. asc. while （虽然although）d. even 20014. _____he needed money for a new car, he decided not to borrow it from the bank.a. Much asb. Much thoughc. As muchd. Though much 19985. _____, he is ready to accept suggestions from different sources.a. Instead of his notable contributionsb. For all his notable contributions（for all+n 尽管）c. His making notable contributionsd. However his notable contributions 19976. _________, Mr. Wells is scarcely in sympathy with the working class. 2005A. Although he is a socialistB. Even if he is a socialistC. Being a socialistD. Since he is a socialistAnswers: 1-5: d b c a b 6-10 a结果状语从句1. -----Does Alan like limburgers?-----Yes. So much ______ that he eats thema. forb. asc. tod. so 20032. The brilliance of his satires was _____make even his victims laugh.a. so as tob. such as toc. so thatd. such that 1996Answers: d b方式状语从句1. She did her work _____her manager had instructed.a. asb. untilc. whend. though 2002Answers: a原因状语从句1. Mr. White works with a chemicals import and export company, but he _____for this industrial fair, since he is on leave.a. has workedb. worksc. has been workingd. is working 1998Answers: d (此题选项主要是时态方面的，但能否做出正确选择取决于对since从句的判断)条件状语从句1. Y ou won’t get a loan ______ you can offer some security.a. lestb. in casec. unlessd. other than 19962. _____ time, he’ll make a first-class tennis player.a. Havingb. Givenc. Givingd. Had 19963. ___ _ I was very much mistaken, there was something wrong with Louise.a. Unlessb. Asc. Thoughd. Since 1995Answers: 1-5: c b a ( unless=if not; If I was not very much mistaken...)比较状语从句1. The experiment requires more money than _______.a. have been put inb. being put inc. has been put ind. to be put in 20022. There ought to be less anxiety over the perceived risk of mountain climbing than ____ in the public mind today.a. existsb. existc. existingd. to exist 19993. T he indoor swimming pool seems to be a great deal more luxurious than ______.a. is necessaryb. being necessaryc. to be necessaryd. it is necessary 1998Answers: 1-3：c a a (提示：than = than what; 记住：than 后跟的是比较状语从句)IV．名词性从句同位语从句1. There is no doubt ______the company has made the right decision on the sales project.a. whyb. thatc. whetherd. when 2001Answer: b表语从句1. Intellect is to the mind _______sight is to the body.a. whatb. asc. thatd. like 20012. He is _____as a “bellyacher”—he’s always complaining about something.a. who is knownb. whom is knownc. what is knownd. which is known 1999 Answer: a c宾语从句1. Who _______was coming to see me in my office this afternoon?a. you saidb. did you sayc. did you say thatd. you did say 20032. After ____ seemed an endless wait, it was her turn to enter the personnel manager’s office.a. thatb. therec. whatd. it 19993. The team can handle whatever______.a. that needs handlingb. which needs handlingc. it needs handlingd. needs to be handled 19974. We can assign the task to ______ is capable and trustworthy.a. whomeverb. whoc. whomd. whoever 19945. The government has promised to do ____ lies in its power to ease the hardships of the victims in the flood-stricken area. (2004)A. howeverB. whicheverC. whateverD. whereverAnswers: 1-5: b c d d cIV. 比较级和最高级1. Fat cannot change into muscle ______muscle changes into fat.a. any more thanb. no more thanc. no less thand. much more than 19992. It is not so much the language ______the cultural background that makes the book difficult to understand.a. butb. norc. asd. like 19993. John is______ hardworking than his sister, but he failed in the exam.a. no lessb. no morec. not lessd. no so 19984. Language belongs to each member of the society, to the cleaner_____ to the professor.a. as far asb. the same asc. as much asd. as long as 19985. Western Nebraska generally receives less snow than _____Eastern Nebraska.a. inb. it receives inc. doesd. it does in 19966. ______ the two, Bob is ______student.a. Of, more diligentb. In, more diligentc. Of, the more diligentd. In, much more diligent 19957. She has taken great pains to conceal her emotions, and thereby made them ______conspicuous.a. all the moreb. all the muchc. all mored. all much 19948. That trumpet player was certainly loud. But I wasn’t bothered by his loudness ____ by his lack of talent. (2004)A. so much asB. rather thanC. asD. than9. The less the surface of the ground yields to the weight of a fully-loaded truck, ____ to the truck. (2004)A. the greater stress isB. greater is the stressC. the stress is greaterD. the greater the stress10. Do you know Tim’s brother? He is _________ than Tim. 2005A. much more sportsmanB. more of a sportsmanC. more of sportsmanD. more a sportsmanAnswers: 1-5: a c a c c(倒装) 6-10: c a a a bV. 虚拟语气1. The opening ceremony is a great occasion. It is essential _____for that.a. for us to be preparedb. that we are preparedc. of us to be preparedd. our being prepared 20032. _____for the fact that she broke her leg, she might have passed the exam.a. Had it not beenb. Hadn’t it beenc. Was it notd. Were it not 20023. “What courses are you going to do next semester?”“I don’t know. But it’s about time ______on something.”a. I’d decideb. I decidedc. I decided. I’m deciding 20024. All of us would have enjoyed the party much more if there ______quite such a crowd of people there.a. weren’tb. hasn’t beenc. hadn’t beend. wouldn’t be 20005. If you have really been studying English for so long, it’s about time you _____able to write letters in English.a. should beb. werec. must bed. are 19996. If your car _____any attention during the first 12 months, take it to an authorized dealer.a. shall needb. should needc. would needd. will need 19987. He left orders that nothing ______touched until the police arrived here.a. should beb. ought to bec. must bed. would be 19988. I was to have made a speech if______.a. I was not called awayb. nobody would have called me awayc. I had not been called awayd. nobody called me away 19979. I _____ the party much more if there hadn’t been quite such a crowd of people there.a. would enjoyb. will have enjoyedc. would have enjoyedd. will be enjoying 199610. We could _____him with a detached house when he came, but he had specifically asked for a small flat.a. provideb. have providedc. not provided. not have provided 199511. _____, he would not have recovered so quickly.a. Hadn’t he been taken good care ofb. Had he not been taken good care ofc. Had not he been taken good care ofd. Had he been not taken good care of 199512. _____ your timely advice, I would never have known how to go about the work.a. Unlessb. But forc. Except ford. Not for 199413. It was recommended that passengers _____smoke during the flight.a. notb. need notc. could notd. would not 199414. ______you were busy, I wouldn’t have bothered you with my questions.a. If I realizedb. Had I realizedc. I realized thatd. As I realized 199415. ____, I’ll marry him all the same. 2004A. Was he rich or poorB. Whether rich or poorC. Were he rich or poorD. Be he rich or poor16.____ if I had arrived yesterday without letting you know beforehand? 2004A. Would you be surprisedB. Were you surprisedC. Had you been surprisedD. Would you have been surprised17. It is imperative that students ____ their term papers on time. 2004A. hand inB. would hand inC. have to hand inD. handed in18. That was not the first time he ________ us. I think it’s high time we ________ strong actions against him. 2005A. betrayed…takeB. had betrayed…tookC. has betrayed…tookD. has betrayed…take19. ________ you _______ further problems with your printer, contact your dealer for advice. 2005A. If, hadB. Have, hadC. Should, haveD. In case, hadAnswers: 1-5: a a b c b 6-10: b a c c b 11-15: b b a b d 16-20 aabc。
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一、谓语动词63. In his plays Shakespeare _____ his characters live through their language. （2008）A. would makeB. had madeC. madeD. makes58.The committee has anticipated the problems that ____in the road construction project. （2007）A. ariseB. will arise ?C. aroseD. have arisen59.The student said there were a few points in the essay he ____impossible to comprehend. (2006)A. had foundB. findsC. has foundD. would find（2007）60.He would have finished his college education, but he______ to quit and find a job to support his family. （2007）A. had hadB. hasC. hadD. would have54. James has just arrived, but I didn’t know he _________ until yesterday.(2005)A. will comeB. was comingC. had been comingD. came55. _________ conscious of my moral obligations as a citizen. (2005)A. I was and always will beB. I have to be and always will beC. I had been and always will beD. I have been and always will be56.Jack __ from home for two days now, and I am beginning to worry about his safety. 2003A. has been missingB. has been missedC. had been missingD. was missed2. For some time now, world leaders ___out the necessity for agreement on arms reduction. 2002a. had been pointingb. have been pointingc. were pointingd. pointed二、非谓语动词：非谓语动词– 分词逻辑主语与从句中动词的主动与被动的关系。
64. ______ at in his way, the situation doesn't seem so desperate. （2007）A. LookingB. LookedC. Being lookedD. To look55.If not ______ with the respect he feels due to him, Jack gets very ill-tempered and grumbles all the time. (2004)A. being treatedB. treatedC. be treatedD. having been treatednot counting = not including 不算（视为固定用法）63.There are only ten apples left in the baskets, ______ the spoilt ones. (2006)A. not countingB. not to countC. don't countD. having not counted65. "The man preparing the documents is the firm’s lawyer" has all the following possible meanings EXCEPT(2009)A. the man who has prepared the documents...B. the man who has been preparing the documents...C. the man who is preparing the documents...D. the man who will prepare the documents...非谓语动词– 动名词62. The meeting was put off because we ______ a meeting without John. (2005)A. objected havingB. were objected to havingC. objected to haveD. objected to having61. What's the chance of ______ a general election this year? (2005)A. there beingB. there to beC. there be D there going to be51. What a nice day! How about the three of us _____ a walk in the park nearby?(2009)A. to takeB. takeC. takingD. to be taking65. _____ should not become a serious disadvantage in life and work. (2010)A. To be not tallB. Not being tallC. Being not tallD. Not to be tall非谓语动词– 不定式63.It is not uncommon for there _______problems of communication between the old and the young. （2007）A. beingB. would beC. beD. to be固定用法：for there to be, of there being..58. The Minister of Finance is believed ____ of imposing new taxes to raise extra revenue. (2004)A. that he is thinkingB. to be thinkingC. that he is to thinkD. to think62. "It seems that she was there at the conference." The sentence means that(2009)A. she seems to be there at the conference.B. she seemed to be there at the conference.C. she seems to have been there at the conference.D. she seemed to being there at the conference.56. AIDS is said __the number-one killer of both men and women over the past few years in the region. 2002a. beingb. to bec. to have beend. having been三、独立主格主语+ doing / done, （没有助动词），从句与主句中的主语不一致。
独立主格一般在日常生活语言中不使用。
它过于书面化。
名词(代词) + 现在分词、过去分词；1. Agriculture is the country’s chief source of wealth, wheat ______ by far the biggest cereal crop. TEM-4 2003a. isb. beenc. bed. being2. Time ______, the celebration will be held as scheduled. TEM-4 2003a. permitb. permittingc. permittedd. permits四、虚拟语气非真实条件句主句were / had / did would 现在时someone had done would have done 过去时Had someone done would 将来时were to doshould do52. If there were no subjunctive mood, English _____ much easier to learn. (2009)A. could have beenB. would beC. will beD. would have been52. Had Judy been more careful on the maths exam, she ____ much better results now. （2008）A. would be gettingB. could have gotC. must getD. would get54. ______ if I had arrived yesterday without letting you know beforehand? (2004)A. Would you be surprisedB. Were you surprisedC. Had you been surprisedD. Would you have been surprised51. If you explained the situation to your solicitor, he ____ able to advise you much better than I can.(2005)A. would beB. will have beenC. wasD. were63. _____ you ____ further problems with your printer, contact your dealer for advice. (2005)A. If, hadB. Have, hadC. Should, haveD. In case, had55. Linda was _____ the experiment a month ago, but she changed her mind at the last minute. （2007）A. to startB. to have startedC. to be startingD. to have been starting54.If only the patient ____a different treatment instead of using the antibiotics, he might still be alive now. （2007）A. had received B .receivedC. should receiveD. were receivingIf only引导的是虚拟语气，与过去事实相反用had done，与现在事实相反，谓语动词用did，这里的主句虽然表示的是现在，但是if only表示的是过去发生的事情，要用过去完成时，所以这题的正确答案是A=wish52. If only I __play the guitar as well as you! (2006) A wouldB couldC shouldD might60. That was not the first time he ______ us. I think it's high time we _____ strong actions against him. (2005)A. betrayed.. . takeB. had betrayed. . . tookC. has betrayed... tookD. has betrayed... take54 It's high time we __ cutting down the rainforests. (2006)A stoppedB had to stopC shall stopD stopAdj.：It is important that something ( be / do 动词原型美语) (should be / should do英语)essential necessary imperative possible impossible urgent advisableVerb：advise demand ask order require urge recommend suggest insistNoun：advice arrangement decision order suggestion recommendation59．It is imperative that the government __ more investment into the shipbuilding industry. (2006)A attractsB shall attractC attractD has to56. It is imperative that students ______ their term papers on time. (2004)A. hand inB. would hand inC. have to hand inD. handed in65.It is absolutely essential that William ________his study in spite of some learning difficulties.A. will continueB. continuedC. continueD. continues（2007）60. It is necessary that he ____ the assignment without delay. (2010)A. hand inB. hands inC. must hand inD. has to hand in61. It’s getting late. I’d rather you now. (2011)A. leftB. leaveC. are leavingD. will leave1. The opening ceremony is a great occasion. It is essential _____for that. 2003a. for us to be preparedb. that we are preparedc. of us to be preparedd. our being prepared2. _____for the fact that she broke her leg, she might have passed the exam. 2002a. Had it not beenb. Hadn’t it beenc. Was it notd. Were it not3. “What courses are you going to do next semester?” 2002“I don’t know. But it’s about time ______on something.”a. I’d decideb. I decidedc. I decided. I’m deciding五、情态动词推测句Probabilitymust have done 肯定的推测句（过去时）must be doing （现在时）couldn’t have done 否定的推测句can’t be doingcould have done would have done might have done should have done均用于本应发生而未发生的状况53. She _____ fifty or so when I first met her at a conference. （2007）A. had beenB. must beC. has beenD. must have been61. Aren’t you tired? I ____ you had done enough for today. (2009)A. should have thoughtB. must have thoughtC. might have thoughtD. could have thought65. Which of the following sentences expresses "probability"?（2008）A. You must leave immediately.B. You must be feeling rather tired.C. You must be here by eight o'clock.D. You must complete the reading assignment on time.52. Nancy's gone to work but her car's still there. She ____ by bus. (2010)A. must have goneB. should have goneC. ought to have goneD. could have gone53.“You ______ borrow my notes provided you take care of them,” I told my friend. （2007）A. couldB. shouldC. mustD. canprovided 条件从句= if, 从句中为一般现在时，判定主句也是一般现在时can。