2012年高考英语试题分项版解析Ⅰ专题07-情态动词和虚拟语气(教师版).doc

2012年全国及各地高考英语分类精品解析系列简介单项选择题分类解析系列专题01单项选择题分类解析（冠词、名词和主谓一致）专题02单项选择题分类解析（代词）专题03单项选择题分类解析（介词和介词短语）专题04单项选择题分类解析（形容词和副词）专题05单项选择题分类解析（动词和动词短语）专题06单项选择题分类解析（动词的时态和语态）专题07单项选择题分类解析（情态动词和虚拟语气）专题08单项选择题分类解析（非谓语动词）专题09单项选择题分类解析（定语从句）专题10单项选择题分类解析（连词和状语从句）专题11单项选择题分类解析（名词性从句）专题12单项选择题分类解析（特殊句式）专题13单项选择题分类解析（交际用语）完形填空题分类解析系列专题01记叙文完形填空专题02夹叙夹议完形填空阅读理解题分类解析系列专题01人物传记、故事类阅读理解专题02新闻报道、广告类阅读理解专题03社会生活、说理议论类阅读理解专题04科普类阅读理解专题05新题型阅读理解书面表达题分类及选择讲评专题01书面表达题分类及选择讲评（文字提纲式）专题02书面表达题分类及选择讲评（图画式）专题03书面表达题分类及选择讲评（开放式）解题的方法：1.重点掌握情态动词的特殊用法can的特殊用法 否定句、疑问句和感叹句中，表示怀疑、惊异、不相信的态度；表示“经过努力后终于能”用be able to；惯用形式“can not (cant)too/over/enough”。表示“无论怎么也不(过分)”，用来加强语气can not but do sth. 不得不；只好。2.can ,may ,must皆可用来表示推测在肯定句中都可以用来表示可能。在含义上“must”语气最肯定，“may”表示的是事实上的可能性。在否定句中只能用“can和may”。所以“cant”（不可能）语气比“may not”（可能不、也许不）更强。在疑问句中只能用“can”，不能用“may和must”。3.情态动词+have done的用法could+have done：过去本可以做而实际上未能做cannot+have done：表示对过去行为的否定推测can+主语+have done：（用于疑问句）表示对过去行为的怀疑或不肯定might(may)+ have done：对过去发生的行为不太肯定的推测must+have done：对过去发生的行为肯定的推测。其否定式为：cannot have doneneednt+have done：本来不必要做的而实际上又做了should(ought to)+ have done：本来应该做而实际上又没有做。其否定形式表示某种行为不该发生发生了。1.(2012课标卷)30.I _use a clock to wake me up because at six oclock each morning the train comes by my house.A. couldnt B. mustntC. shouldnt D. neednt【答案】D【解析】考查情态动词。根据下文“at six oclock each morning the train comes by my house（每天早上六点有火车从我家附近驶过）”所以我没有必要用时钟叫醒我。2.(2012大纲卷)17.Im going to Europe on vacation together with John if I _find the money.A . can B. might C. would D. need 【答案】A 【解析】考查情态动词。此处考查的是“can”的基本意义“能，能够”。句意：如果我能够弄到那笔钱，我就和约翰一起到欧洲去度假。4.(2012北京卷)35.Dont handle the vase as if it _ made of steel.A. is B. were C. has been D. had been 【答案】B 【解析】考查虚拟语气。对现在的虚拟用were。as if“仿佛，好像”。其后面的内容若与事实不符则用虚拟语气，花瓶不是用钢做的，因此选择B项。句意：别把这花瓶当作钢做的似的去拿。5.(2012天津卷) 8.Its quite warm here; we _turn the heating on yet.A. couldnt B. mustntC. neednt D. wouldnt【答案】C【解析】考查情态动词。根据上文“这里相当暖和”可以推知下文应该是：我们没必要开暖气。7.(2012上海卷)28.The new law states that people drive after drinking alcohol.A. wouldnt B. neednt C. wont D. mustnt【答案】D【解析】考查情态动词。句意：新的法律规定酒后驾车是绝对禁止的。备选项中只有“mustnt”表示“禁止、不容许”的意思。8.(2012重庆卷) 25._you interrupt now? Cant you see Im on the phone? Sorry Sir, but its urgent. A. Can B. Should C. Must D. Would【答案】C【解析】考查情态动词。must表说话者极不耐烦和生气的语气。句意：“你现在一定要打断我吗？难道你看不到我在打电话吗？对不起，先生，事情很急。”9.(2012安徽卷) 31.Grace doesnt want to move to New York because she thinks if she there, she wouldnt be able to see her parents very often.A. lives B. would live C. has lived D. were to live10.(2012福建卷)31.We lost our way in that small village, otherwise we _ more places of interest yesterday.A. visitedB. had visitedC. would visitD. would have visited【答案】D【解析】考查虚拟语气。句意：昨天我们在那个小村庄迷路了，否则我们本可以参观更多的名胜。本句为含有otherwise的含蓄虚拟句（相当于if we hadnt lost our way in that small village），是对过去的虚拟，故选D项。11.(2012湖南卷)29.Sorry, I am too busy now. If I _ time, I would certainly go for an outing with you.A. have had B. had had C. have D. had【答案】D 【解析】考查虚拟语气。根据上下文可知，这是对现在情况的虚拟，if 从句用过去式，主句用would+原形。句意：对不起，我现在太忙了。要是有时间的话，我肯定会和你一起去郊游的。12.(2012江苏卷)28.Days later, my brother called to say he was all right, but say where he was. A. mustntB. shouldntC. wouldntD. mightnt 【答案】C 【解析】情态动词mustnt意为“禁止”；shouldnt意为“不应该”；wouldnt意为“不愿意”；mightnt意为“或许不”。句意：几天后，我哥哥打电话说他一切很好，但不愿意说他在哪儿。根据句意可知，应选C项。13.(2012江苏卷) 35.Happy birthday! Thank you! Its the best present I for. A. should have wishedB. must have wished C. may have wishedD. could have wished14.(2012江西卷)22.We have bought so much food now that Suzie wont be with us for dinner.A. may notB. needntC. cantD. mustnt 15.(2012辽宁卷)24.One of our rules is that every student wear school uniform while at school. A. might B. could C. shall D. will【答案】C【解析】考查情态动词。shall用于条约、规章、法令等文件中表示义务或规定, 意为“应该、必须”。 句意：我们的一条规则是学生在校时都必须要穿校服。16.(2012辽宁卷)33.Jack is a great talker. Its high time that he something instead of just talking. A. will do B. has done C. do D. did 17.(2012山东卷)30.If we _ adequate preparations, the conference wouldnt have been so successful. A. havent madeB. wouldnt makeC. didnt make D. hadnt made【答案】D【解析】考查虚拟语气。这是if引导的条件状语从句，根据主句中的wouldnt have been so successful可知与过去事实相反，是虚拟条件句。虚拟语气中与过去事实相反的情况中，i f引导的从句中的谓语动词用过去完成时had done。句意：如果我们没有做好充分的准备，会议就不会如此的成功。18.(2012陕西卷)17.If may car _more reliable, I would have driven to Lhasa instead of flying last summer.A. was B. had beenC. should be D. would be19.(2012陕西卷)23.I_ thank you too much for all your help to my son while we were away from home. A. wont B. cant C. can D. will 【答案】B【解析】考查情态动词。固定搭配cant too much意思为：再也不为过。句意：鉴于我们不在家期间你给我儿子的所有帮助，我们再怎么感谢你也不为过。20.(2012四川卷)19.I got close enough to hear them speaking Chinese, and I said “Ni Hao ” just as I _ do in China.A. must B. might C. can D. should 【答案】B 【解析】考查情态动词。句意为：我靠他们足够的近以听见他们说汉语，而且我会像我在中国可能做的那样说“你好”。might表示“可能”。故选B。21.(2012卷)19.Had they known what was coming next, they _ second thoughts. A. may have B. could have C. must have had D. might have had 7