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1、会计学1高考英语一轮复习语法人教专题高考英语一轮复习语法人教专题 情态动情态动词和虚拟语气词和虚拟语气三、情态动词的语法特征三、情态动词的语法特征(1) 情态动词不能表示正在发生或已经发生的事情,只表示期待情态动词不能表示正在发生或已经发生的事情,只表示期待或估计某事的发生。或估计某事的发生。(2) 情态动词除情态动词除ought 和和have 外,后面只能接不带外,后面只能接不带to 的不定式。的不定式。(3) 情态动词没有人称和数的变化,即其第三人称单数不加情态动词没有人称和数的变化,即其第三人称单数不加s。(4) 情态动词没有非限定形式,即没有不定式,分词形式,也没情态动词没有非限定形式

2、,即没有不定式,分词形式,也没有相应的动名词。有相应的动名词。四、情态动词的基本用法四、情态动词的基本用法情态情态动词动词用法用法例句例句can和和could 表示能力表示能力He can speak English better than you.表示请求表示请求或允诺或允诺?You can have the book when I have finished it.Could you come again tomorrow?表示客观可能性表示客观可能性Accidents can happen on such raing days.表示猜测(惊讶、怀疑、表示猜测(惊讶、怀疑、不相信的态度)不

3、相信的态度)Can this green bike be Liu Dongs? 第1页/共33页may和和might 表示请求和允许表示请求和允许He may come if he likes. 表示猜测、可能性(不用于表示猜测、可能性(不用于疑问句)疑问句)It may rain this evening. Youd better take an umbrella . must 表示必须表示必须She must come and look after the child. 否定式否定式 must not(mustnt)表表示示“禁止禁止”;neednt/dont have to 表示表示“不

4、必不必” Must we finish the work tomorrow? No, you neednt (dont have to), but you must finish it in three days.You mustnt touch the fire. 表示推测表示推测They must have heard the news.第2页/共33页have to表示必须,是一种客表示必须,是一种客观需要观需要I had to give it up because of illness. ought to表示根据某种义务或表示根据某种义务或必要必要“应当应当”做某事做某事 Everyo

5、ne ought to obey the traffic regulations. 表示推测表示推测(客观推测客观推测)He ought to be home by now.dare常用于否定句,疑问常用于否定句,疑问句和条件从句中句和条件从句中Dared he break the traffic regulations again?在疑问句或否定句中,在疑问句或否定句中,可接带可接带to或不带或不带to的的不定式不定式She doesnt dare to stay at home alone at night. need常用于否定句和疑问常用于否定句和疑问句中句中He neednt worr

6、y about us now. 第3页/共33页shall用于第二、三人称,表示说话人用于第二、三人称,表示说话人给对方命令、警告、强制、威胁给对方命令、警告、强制、威胁或允诺或允诺He shall go first, whether he wants to or not. 用于第一人称,表示说话人征询用于第一人称,表示说话人征询对方意见或请求指示对方意见或请求指示Shall I open the door? should表示表示“建议建议”或或“劝告劝告”,有,有“应该应该”之意之意You should learn from each other. 表示说话人对已经出现的事态感表示说话人对已

7、经出现的事态感到到“惊奇、惊喜、怀疑惊奇、惊喜、怀疑”Im amazed that Mr. Harris should have said nothing about the matter.第4页/共33页will表示意志决心表示意志决心I have told him again and again to stop smoking, but he will not listen. 在疑问句中在疑问句中,用于第二人称,表示说用于第二人称,表示说话人向对方提出请求或询问对方的话人向对方提出请求或询问对方的意愿意愿Will you please tell me how to get to the C

8、apital Gymnasium?表示一种习惯性的动作,含有表示一种习惯性的动作,含有“总总是是”或或“会要会要”之意之意Every morning he will have a walk along this river. 第5页/共33页would表示意志和决心表示意志和决心He promised he would never smoke again. 在疑问句中在疑问句中,用于第二人称,表示用于第二人称,表示说话人向对方提出请求或询问对说话人向对方提出请求或询问对方的意愿,比方的意愿,比will的语气更加委婉的语气更加委婉Would you like some more coffee?

9、表示过去的习惯动作,没有表示过去的习惯动作,没有“现现已无此习惯已无此习惯”的含义的含义During the vacation he would visit me every week. 表示估计和猜想表示估计和猜想It would be about ten when he left home.第6页/共33页 【考点一考点一】考查表示能力的情态动词考查表示能力的情态动词情态动词情态动词can和和could可以表示能力;可以表示能力;be able to do强调设法成功完强调设法成功完成某一具体动作成某一具体动作(相当于相当于manage to do/succeed in doing)。If

10、 it were not for the fact that she cant sing, I would invite her to the party. 【即学即练即学即练】单项填空单项填空The fire spread through the hotel very quickly but everyone _ get out. A. had to B. would C. was able to D. could 解析解析:选选C。考查情态动词。考查情态动词。have to不得不;不得不; would表示意愿或过表示意愿或过去常常;去常常;could倾向于表示经过长期训练而获得的能力;倾向

11、于表示经过长期训练而获得的能力;be able to 表示经过努力而能够做到的事或成功地做了某事。根据句意,表示经过努力而能够做到的事或成功地做了某事。根据句意,选选C。第7页/共33页 【考点二考点二】考查表示请求或允诺的情态动词考查表示请求或允诺的情态动词(1)向对方提出建议时用:向对方提出建议时用:Shall/May/Might/Can/Could I/we.? Shall he/she/they.?Would/Will you.?(2)could/might/would/should表示委婉的语气表示委婉的语气,其肯定回答时不用其肯定回答时不用could/might表示,用表示,用ma

12、y/can;否定回答时用否定回答时用cant/mustnt。Could/May I use your bicycle tomorrow morning?Yes, you can/may.Shall he come to see you?Of course, please. And Id rather he told me the truth. 【考点三考点三】考查情态动词表示推测的用法考查情态动词表示推测的用法表猜测的时态表猜测的时态结构结构例句例句将来情况将来情况的推测的推测情态动词情态动词+动词动词原形原形She must/may/might/could arrive before 5.I

13、 cant be at home this Friday.Can he come to my party next Friday? 第8页/共33页现在或一现在或一般情况的般情况的推测推测情态动词情态动词+动词动词原形原形/情态动词情态动词 +be doing/情态动词情态动词+be Hemust/may/might/could be listening to the radio now.He cant (couldnt)/may(might) not be at home at this time.Mr. Bush is on time for everything. How can (co

14、uld) he be late for the opening ceremony? 过去情况过去情况的推测的推测情态动词情态动词 + have +过去分词过去分词 It must/may/might/could have rained last night. The ground is wet.The door was locked. He can (could) not/may (might) not have been at home.Can/Could he have gotten the book? 第9页/共33页注意:注意:1. 在肯定句中一般用在肯定句中一般用might, may

15、和和must;否定句中用;否定句中用might not, may not, couldnt和和cant;疑问句中用疑问句中用could和和can。can还可用还可用于肯定句中表示客观的或理论的可能性。于肯定句中表示客观的或理论的可能性。2. might, could并非并非may, can的过去式,它们表示语气较为委婉或的过去式,它们表示语气较为委婉或可能性较小。可能性较小。Accidents can happen on such rainy days.【即学即练即学即练】单项填空单项填空Sorry, Im late. I _ have turned off the alarm clock a

16、nd gone back to sleep again. A. might B. should C. can D. will 解析解析:选选A。might have done(过去过去)可能做过某事;可能做过某事;should have done本应该做某事。根据句中提供的情境表明本应该做某事。根据句中提供的情境表明,说话人可能把闹钟说话人可能把闹钟关上了。关上了。第10页/共33页 【考点四考点四】考查情态动词表示责备、批评、抱考查情态动词表示责备、批评、抱怨怨 形式形式含义含义例句例句may/might/can /could have done过去本来可过去本来可以以,而实际,而实际上没有

17、上没有He might have given you more help, even though he was very busy. Did you listen to the speech?No, we could have attended it. But we were ill. should have done过去本来应过去本来应该该,而实际,而实际上没有上没有The plant is dead. Maybe I should have given it more water.ought tohave done过去本该过去本该,而未而未You ought to have given

18、him more help.第11页/共33页neednt have done本不必本不必,却却Mr Smith didnt come last night, did he?No. We neednt have waited for him.had better(not) have done用于事后的建用于事后的建议,含轻微责议,含轻微责备的口吻,表备的口吻,表示示“本应该做本应该做而没有做而没有做”You had better have started earlier.You had better not have scolded her. would rather(not) have do

19、ne表示表示“当时宁当时宁愿做了某事愿做了某事”,肯定形式与否肯定形式与否定形式均表示定形式均表示“后悔后悔”之意之意I would rather have taken his advice.I would rather not have told him the truth.第12页/共33页注意:注意:didnt need to do sth. 表示没有必要做某事其实也没有做。表示没有必要做某事其实也没有做。【即学即练即学即练】单项填空单项填空The weather turned out to be fine yesterday. I _ the trouble to carry my u

20、mbrella with me. A. should have taken B. could have takenC. neednt have taken D. Mustnt have taken解析解析:选选C。should have done本应该做而实际上没做;本应该做而实际上没做;could have done表示对过去的假设,意为表示对过去的假设,意为“本来能够做某事而没有做本来能够做某事而没有做”;neednt have done本不需要做却做了;本不需要做却做了;must have done通常用于通常用于肯定句,故肯定句,故D项排除。根据句子语境可知,选项排除。根据句子语境可知

21、,选C。 【考点五考点五】考查考查would rather的用法的用法(1)would rather do sth.意为意为“宁可宁可(愿愿)”(2)would rather do sth. than do sth. 宁可(愿)宁可(愿)(而)不要(而)不要(愿)愿);与其;与其不如不如可改写成可改写成 “would do sth. rather than do sth.”。(3)would rather+从句(虚拟语气)表示从句(虚拟语气)表示“宁愿,但愿宁愿,但愿”。用一。用一第13页/共33页般过去时表示现在或将来要做的事;用过去完成时表示已经做过般过去时表示现在或将来要做的事;用过去完

22、成时表示已经做过的事或过去要做的事。的事或过去要做的事。I would rather you had stayed with us yesterday, but you left.【即学即练即学即练】单项填空单项填空_, he is well. But I would rather to see him yesterday. A. Personally; goB. Personally; have gone C. As far as I am concerned; /D. As far as I am concerned; went解析解析:选选B。“would rather动词过去完成式动词

23、过去完成式”表示过去的情况表示过去的情况,再根据,再根据would rather后跟虚拟语气的用法和句子语境可知,选后跟虚拟语气的用法和句子语境可知,选B。 【考点六考点六】考查考查used to的用法的用法used to表示过去的习惯动作或状态,现在已不存在。在疑问句、表示过去的习惯动作或状态,现在已不存在。在疑问句、否定句、否定疑问句中,其变化形式如下:否定句、否定疑问句中,其变化形式如下: 第14页/共33页句式句式形式形式例句例句疑问句疑问句 Did sb. use toDid you use to go to the same school as your brother? Used

24、 sb. to doUsed you to go to the same school as your brother?否定句否定句 usednt to doI usednt to go there.didnt use to doI didnt use to go there. 否定否定疑问句疑问句 Usednt sb. toUsednt you to be interested in the theatre?Didnt sb. use toDidnt you use to be interested in the theatre?第15页/共33页 【考点七考点七】考查情态动词的其他用法考查

25、情态动词的其他用法must表示与说话人愿望相反及不耐烦,意为表示与说话人愿望相反及不耐烦,意为“偏要,非得偏要,非得”。cant but do sth./cant help/choose but do sth.意为意为“不得不做某事不得不做某事,只好做某事,只好做某事”。may well + 动词原形,表示动词原形,表示“完全能,很可能完全能,很可能”,相当于,相当于be likely to do sth.。may as well + 动词原形,表示动词原形,表示“最好;满可以;倒不如最好;满可以;倒不如”。cant(never等否定词等否定词)与与enough连用,表示连用,表示“再再也不为

26、过也不为过”,相当于相当于“cant.too.”。may可以用于祈使句,表示祝愿。可以用于祈使句,表示祝愿。Just as I was sitting down to supper, the telephone must ring.Since he cant win the race, he may as well quit.第16页/共33页虚拟语气虚拟语气定义:虚拟语气用来表示说话人的主观愿望或假想,而不表示客定义:虚拟语气用来表示说话人的主观愿望或假想,而不表示客观存在的事实,所说的是一个条件,不一定是事实,或与事实相观存在的事实,所说的是一个条件,不一定是事实,或与事实相反。虚拟语气通

27、过谓语动词的特殊形式来表示。反。虚拟语气通过谓语动词的特殊形式来表示。 【考点一考点一】考查虚拟语气在非真实条件句中的基本用法考查虚拟语气在非真实条件句中的基本用法第17页/共33页时间时间从句从句主句主句例句例句与现与现在事在事实相实相反的反的假设假设 一般一般过过去时去时(be用用were) would/should/could/might/ought to +动动词原形词原形 If they were here, they would help you.If we had enough money, we would buy a computer.If I were you, I wou

28、ldnt do it.If it rained tomorrow , wed stay at home.It would be odd if she were awarded the first prize. 与过与过去事去事实相实相反的反的假设假设 过去过去完完成时成时 should/would/could/might+have+过过去去分词分词 If he had come yesterday, I should have told him about it.If I had been in her position, Id have quit.If the weather hadnt b

29、een so bad , we might have gone out.I should never have done it if I hadnt been so hard up. 第18页/共33页对将来对将来不大可不大可能发生能发生的事情的事情的假想的假想 一般一般过去过去时时should/would/could/might/ought to+动词原动词原形形 If you succeeded, everything would be all right.If they invited me, I would certainly attend it.If he went, would y

30、ou go too? 与将与将来事来事实相实相反的反的假设假设 were+不定不定式式should+动动词原形词原形一般过去一般过去时时 should/would/could/might/ought to +动词动词原形原形If she were to lose her place they would be ruined.If you were to speak to him, it would carry more weight. 第19页/共33页【即学即练即学即练】单项填空单项填空If the weather had been better,we could have had a pi

31、cnic. But it _ all day. A. rained B. rains C. has rained D. is raining 解析解析:选选A。句意为:如果天气好的话,我们是能够去野餐的,但。句意为:如果天气好的话,我们是能够去野餐的,但是下了一天的雨。句子前半部分陈述的是与过去事实相反的事情,是下了一天的雨。句子前半部分陈述的是与过去事实相反的事情,所以用了虚拟语气;所以用了虚拟语气;“下了一天的雨下了一天的雨”是事实,所以用陈述语气。是事实,所以用陈述语气。 【考点二考点二】考查含蓄虚拟条件句考查含蓄虚拟条件句这样的虚拟句不含有这样的虚拟句不含有if从句,而是以从句,而是以

32、but for/without/or/otherwise等等引导的句子代替引导的句子代替if从句,主句谓语动词的形式与虚拟语气的基本用从句,主句谓语动词的形式与虚拟语气的基本用法相同。法相同。But for your help/Without your help, we couldnt have finished the task ahead of time.【即学即练即学即练】单项填空单项填空Thank you for all your hard work last week. I dont think we_ it without you. 第20页/共33页A. can manage B

33、. could have managedC. could managed D. can have managed解析解析:选选B。由语境可知,这里要表达的意思是。由语境可知,这里要表达的意思是“如果没有你们辛勤如果没有你们辛勤的工作,我们不可能处理好这件事。的工作,我们不可能处理好这件事。”这是对过去发生的事实的虚这是对过去发生的事实的虚拟,所以要用拟,所以要用could have done。 【考点三考点三】考查主从句时间不一致的虚拟条件句考查主从句时间不一致的虚拟条件句 虚拟条件句中,主句和条件从句的谓语动作若不是同时发生时,虚虚拟条件句中,主句和条件从句的谓语动作若不是同时发生时,虚拟语

34、气的形式应作相应的调整。拟语气的形式应作相应的调整。 从句的动作与过去事实相反,而主句的动作与现在或现在正在发从句的动作与过去事实相反,而主句的动作与现在或现在正在发生的事实不符。生的事实不符。 从句的动作与现在事实相反,而主句的动作与过去事实不符。从句的动作与现在事实相反,而主句的动作与过去事实不符。 从句的动作与过去发生的情况相反,而主句的动作与现在正在发从句的动作与过去发生的情况相反,而主句的动作与现在正在发生的情况相反。生的情况相反。If I had worked hard at school, I would be an engineer, too. If he knew her,

35、he would have greeted her.If it had not been raining too much, the crops would be growing much better. 第21页/共33页【即学即练即学即练】单项填空单项填空Its hard for me to imagine what I would be doing today if I _ in love,at the age of seven,with the Melinda Cox Library in my hometown. A. wouldnt have fallen B. had not f

36、allenC. should fall D. were to fall解析解析:选选B。句意为:如果不是我在七岁时爱上家乡的。句意为:如果不是我在七岁时爱上家乡的Melinda Cox图书馆的话,很难想象今天的我会是什么样子。主句描述的是与现图书馆的话,很难想象今天的我会是什么样子。主句描述的是与现在事实相反的事情,从句描述的是与过去事实相反的事情。在事实相反的事情,从句描述的是与过去事实相反的事情。 【考点四考点四】考查省略非真实条件句中的考查省略非真实条件句中的if当虚拟条件句的谓语动词含有当虚拟条件句的谓语动词含有were, should, had时时,if 可以省略,这可以省略,这时条

37、件从句要用倒装语序,即将时条件从句要用倒装语序,即将were, should, had等词置于句首。等词置于句首。Were he to leave today, he would get there by Friday.【即学即练即学即练】单项填空单项填空_ fired, your health care and other benefits will not be cut off.A. Would you be B. Should you be C. Could you be D. May you be第22页/共33页解析解析:选选B。分析句意可知,空格处表示条件关系。当条件从句谓。分析句

38、意可知,空格处表示条件关系。当条件从句谓语动词中含有语动词中含有were, should, had时,将其移至句首,省略时,将其移至句首,省略if,句子,句子结构为省略倒装结构。故选结构为省略倒装结构。故选B。此处相当于。此处相当于:If you should be。 【考点五考点五】考查名词性从句中的虚拟语气考查名词性从句中的虚拟语气 在含有表示坚持、建议、命令、要求等动词或名词(在含有表示坚持、建议、命令、要求等动词或名词(suggest, demand, order, require, insist, propose, advise, suggestion, advice, propos

39、al等)的名词性从句和在等)的名词性从句和在it作形式宾语或形式主语的复合句作形式宾语或形式主语的复合句中,宾语补足语是中,宾语补足语是necessary/strange/essential/natural/a pity/a shame等表示等表示“惊奇、惋惜或理应如此惊奇、惋惜或理应如此”等含义时,从句中的谓等含义时,从句中的谓语动词需用语动词需用“should+动词原形动词原形”,其中,其中should可以省略。可以省略。He suggested that we (should) start off early the next day.It is suggested that the m

40、eeting (should) be put off until next week.It is strange that he (should) have acted towards his parents like that. 第23页/共33页【即学即练即学即练】单项填空单项填空Dont you think it necessary that he _ to Miami but to New York? I agree,but the problem is _he has refused to. A. will not be sent;thatB. not be sent;thatC.

41、should not be sent;whatD. should not send;what 解析解析:选选B。上半句句意为:难道你不认为必须把他送到迈阿密而不。上半句句意为:难道你不认为必须把他送到迈阿密而不是纽约吗?句意表示理应如此的含意。是纽约吗?句意表示理应如此的含意。 【考点六考点六】考查其他虚拟语气考查其他虚拟语气(1)wish后面接宾语从句,表示与现在事实相反的愿望,谓语动词后面接宾语从句,表示与现在事实相反的愿望,谓语动词用过去式;表示与过去事实相反的愿望,谓语动词用用过去式;表示与过去事实相反的愿望,谓语动词用“had+动词动词过去分词过去分词”;表示将来难以实现的愿望,谓语

42、动词用;表示将来难以实现的愿望,谓语动词用“should/would+动词原形动词原形”。注意:注意:if only与与as if/though用法相同。用法相同。I wish I knew the answer.(与现在事实相反与现在事实相反)I wish I had known the answer. (与过去事实相反与过去事实相反)第24页/共33页I wish you would shut up. (与将来事实相反与将来事实相反)(2)If only引导的感叹句中,用虚拟语气,表示愿望;用过去时或引导的感叹句中,用虚拟语气,表示愿望;用过去时或“would/could+动词原形动词原形

43、”表示与现在或未来事实相反的愿望;用表示与现在或未来事实相反的愿望;用过去完成时表示与过去事实相反的愿望。过去完成时表示与过去事实相反的愿望。If only I were taller. (与现在事实相反与现在事实相反)If only he had followed your advice! (与过去事实相反与过去事实相反)If only the rain would stop. (与将来事实相反与将来事实相反) (3)It is (high/about) time that sb. did sth./should do sth., 从句中谓语从句中谓语动词常用过去形式,有时也用动词常用过去形

44、式,有时也用“should+动词原形动词原形”,意为,意为“该是该是的时候了的时候了”。It is time you thought about your future. (4)would rather后面接从句时表示愿望,意为后面接从句时表示愿望,意为“宁愿,但愿宁愿,但愿”。I would rather you didnt speak rudely to her. (与现在事实相反与现在事实相反)Id rather you hadnt spoken rudely to her. (与过去事实相反与过去事实相反) (5)在在lest/in case/for fear that.引导的目的状语

45、从句,若用虚拟语气引导的目的状语从句,若用虚拟语气,谓语动词用,谓语动词用(should)+动词原形。动词原形。He took his umbrella lest it should rain. 第25页/共33页1. Jack described his father, who _ a brave boy many years ago, as a strong-willed man.(2010安徽)安徽)A. would be B. would have been C. must be D. must have been 解析:选解析:选D。句意为:杰克把多年前曾是勇敢男孩的父亲描述为一。句

46、意为:杰克把多年前曾是勇敢男孩的父亲描述为一个意志坚强的人。个意志坚强的人。must have been表示对过去事情的肯定推测。表示对过去事情的肯定推测。2. You _ buy a gift, but you can if you want to. (2010湖南)湖南)A. must B. Mustnt C. have to D. dont have to解析:选解析:选D。dont have to 意为意为“没有必要没有必要”,符合语境。句意为,符合语境。句意为:你没有必要买礼物,但如果你想买的话,你也可以买。:你没有必要买礼物,但如果你想买的话,你也可以买。3. I have tol

47、d you the truth. _ I keep repeating it? (2010江西江西)A. Must B. Can C. May D. Will解析:选解析:选A。must 必须;一定;必须;一定;can 可以可以, 能够;能够;may 也许;也许;will 将要。句意为:我已经告诉你事实了将要。句意为:我已经告诉你事实了,我还必须重复一遍吗?我还必须重复一遍吗?第26页/共33页4. I _ have watched that movie-itll give me horrible dreams. (2010山东)山东) A. shouldnt B. neednt C. cou

48、ldnt D. mustnt解析:选解析:选A。句意为:我本来不应该看那部电影。句意为:我本来不应该看那部电影它会使我做噩它会使我做噩梦的。表示梦的。表示“本来不应该做而做了某事本来不应该做而做了某事”用用shouldnt have done, 所以所以A项正确。项正确。5. Mark _ have hurried. After driving at top speed, he arrived half an hour early. (2010天津)天津)A. neednt B. wouldnt C. mustnt D. couldnt 解析:选解析:选A。句意为:迈克本来不必要那么急的,这么

49、高速驾驶之。句意为:迈克本来不必要那么急的,这么高速驾驶之后,他提前了半个小时到达。用后,他提前了半个小时到达。用neednt have done 结构,表示结构,表示“本来不必要做某事而实际上做了本来不必要做某事而实际上做了”。6. _ I take the book out?Im afraid not. (2010四川)四川)A. Will B. May C. Must D. Need解析:选解析:选B。表示请求可用情态动词。表示请求可用情态动词can, may, could, might,表示允表示允许用许用can, may。句意为:。句意为:我可以将这本书带出去吗?我可以将这本书带出去

50、吗?恐怕恐怕不行。故应选表示请求的情态动词不行。故应选表示请求的情态动词may。第27页/共33页7. Just be patient. You _ expect the world to change so soon.(2010全国全国)A. cant B. neednt C. may not D. will not解析:选解析:选A。考查情态动词。考查情态动词。cant不可能;不可能;neednt没有必要;没有必要;may not可能不可能不; will not 将不会。句意为:要耐心。你不能期望世界会将不会。句意为:要耐心。你不能期望世界会这么快地改变。这么快地改变。8. I haven

51、t got the reference book yet, but Ill have a test on the subject next month.Dont worry. You _ have it by Friday. (2010江苏)江苏)A. could B. shall C. must D. may解析:选解析:选B。could能够;能够;must 必须必须; may也许;可以。也许;可以。shall在第二在第二人称中表示允诺,还可以表示强制,命令,威胁,警告,符合语境人称中表示允诺,还可以表示强制,命令,威胁,警告,符合语境。9. May I take this book out

52、 of the reading room? No, you _. You read it in here.(2010陕西)陕西)A. mightnt B. wont C. neednt D. mustnt解析:选解析:选D。考查情态动词。考查情态动词。could,might表示询问或征求意见的表示询问或征求意见的问句中,肯定回答要用问句中,肯定回答要用can或或may来代替来代替could或或might;may或或might表示征求意见的问句中,否定回答用表示征求意见的问句中,否定回答用mustnt,故选,故选D。第28页/共33页10. Im afraid Mr. Harding _ see

53、 you now. Hes busy. (2010全国全国)A. cant B. mustnt C. shouldnt D. neednt解析:选解析:选A。考查情态动词。句意为:恐怕。考查情态动词。句意为:恐怕Harding先生现在不可先生现在不可能见你,他很忙。能见你,他很忙。cant用于疑问或否定句中表推测。用于疑问或否定句中表推测。11. Doctors say that exercise is important for health, but it _ be regular exercise. (2010辽宁)辽宁)A. can B. will C. must D. may解析:选

54、解析:选C。考查情态动词。句意为:医生说锻炼对身体健康重要。考查情态动词。句意为:医生说锻炼对身体健康重要,但是必须是有规律的锻炼。,但是必须是有规律的锻炼。can表示表示“可能;能力可能;能力”;will表示表示“愿意愿意”;may表示表示“可能可能”;must表示表示“必须必须”。由句意可知,选。由句意可知,选C。12. Good morning. Ive got an appointment with Miss Smith in the Personnel Department.Ah, good morning. You _ be Mrs. Peters. (2010北京)北京)A. m

55、ight B. must C. would D. can解析:选解析:选B。根据语境,双方应是事先预约好的,所以双方都明确。根据语境,双方应是事先预约好的,所以双方都明确彼此的身份,故用彼此的身份,故用must表示表示“一定一定”。第29页/共33页13. “You _ have a wrong number,” she said. “Theres no one of that name here.”(2010浙江)浙江)A. need B. can C. must D. would 解析:选解析:选C。need需要;需要;can能,可以;能,可以;must一定,必须;一定,必须;would要,会。由语境可知,空格处的词对目前的情况作出肯定判断要,会。由语境可知,空格处的词对目前的情况作出肯定判断。14. Sorry, Professor Smith. I didnt finish the assignment yesterday.Oh, you _ have done it as yesterday was the deadline. (2010上海)上海)A. must B. mustnt C. should D. shouldnt解析:选解析:选C。根据语境可知,此处表示和过去事实相反的情况,。根据语境可知,此处表示和过

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