情态动词易错易混点.docx

1、情态动词易错易混点情态动词易错易混点一、单项选择情态动词1While it wasnt the goal of the trip, I was rewarded with fresh insights, ones that _ to me during the regular course of business.Amight never happen Bcould never have happenedCshould not happen Dneednt have happened【答案】B【解析】【详解】考查虚拟语气。句意：虽然这并不是这次旅行的目的，但我得到了一些新的领悟，那些领悟在我的

2、日常生活中是本不可能发生的。此处考查虚拟语气，“我得到新的领悟”发生在过去，故此处是与过去事实相反，应用could/might/would/need/should+have done，“本不可能发生”是could never have happened，故选B项。【点睛】本题考查“情态动词+have done”的虚拟语气，其常用表达有：could have done本能做某事而未做 couldnt have done不可能做了某事should have done本应该做某事而未做 shouldnt have done本不应该做某事而做了would have done本会某事而未做 wouldn

3、t have done本不会做某事而做了need have done本需要做某事而未做 neednt have done本不必要做某事而做了2he law is equally applied to everyone. No one _ be above it.Ashall BmustCmay Dneed【答案】A【解析】【详解】考查情态动词。句意：法律面前人人平等。没有人能凌驾于法律之上。A. shall用于第二、第三人称，则含有命令、警告、允诺或威胁的语气。B. must（必须，一定）用于肯定句。C. may（可以，能够）表允许时一般不与第三人称连用。D. need (表示没有必要或询问是

4、否有必要) 需要；故选A。3- Turn off the TV, Jack. _ your homework now?- Mum, just ten more minutes, please.AWill you be doing BShould you be doingCShouldnt you be doing DCouldnt you be doing【答案】C【解析】【详解】考查含情态动词的进行时态。句意：把电视关掉，杰克。你现在不应该做作业吗?妈妈，请再给我十分钟。此处表示目前应该在做某事，should“应该”，这里用含情态动词的进行时态，故选C。4-He was satisfied

5、with the result, wasnt he?-No. It was so difficult that he _have passed it.Ashouldnt BmustntCcouldn t Dwouldnt【答案】C【解析】【详解】考查情态动词。A. shouldnt 不应该；B. mustnt禁止，不允许；C. couldn t 不可能；D. wouldnt不会。句意：-他对结果很满意，是吗? -不。考试太难了，他不可能通过。固定结构：couldn t have done“不可能做某事”，此处是对过去事情有把握的否定推测。故选C。【点睛】情态动词+ have done结构：1.

6、“must + have + 过去分词”表示对过去发生的事情或状态进行推测,语气比较坚定,通常只用于肯定句.如：It must have rained last night,for the ground is wet.2.“can / could + have + 过去分词”表示对过去某种情况的怀疑或不确定.can和could一般用于否定句和疑问句,could的语气较can弱.如：He cant have finished the work so soon.3.“may / might + have + 过去分词”表示对已发生的动作或存在的状态进行不肯定的推测,might的语气比may弱一点.

7、这种结构主要用于肯定句和否定句,疑问句改用can或could.如：They may not have known it beforehand.4.“need + have + 过去分词”表示过去做了不必做或不需要做的事情,或过去做某事纯属多余.如：I neednt have bought so much wineonly five people came.5.“should / ought to + have + 过去分词”表示过去本该做某事但没做,其否定式表示过去不该做某事但做了,这种句式含有不满或责备之意,ought to的语气比should强一些.如：You ought to / sho

8、uld have studied harder.你本应该更努力学习的.（但没有） He oughtnt to / shouldnt have done that.他本来就不该做那件事.（可是做了） 6.“would have 过去分词”表示对过去的某种情况进行猜测,或本来要做某事却因某种原因未做成,通常用来说明某一情况,但不像用should或ought to那样含有责备之意.如：I guess the poet would have been about twenty when she wrote her first poem.Another worker wouldnt have acted

9、 like that.5I often felt troubled in my teens and my grandma _ comfort me, saying “Life is like that, dear”.Awould Bmight Cshould Dmust【答案】A【解析】【详解】考查情态动词。句意：在我十几岁的时候，我经常感到烦恼，我的奶奶会安慰我说，“生活就是这样，亲爱的”。此处是would+动词原形，表示“过去总是做某事”。故选A。6would可以表达过去常常做的事，过去习惯发生的动作：Pirates would bury gold in a cave. 海盗们常常把黄金藏

10、在山洞中。We would take a walk along the river. 我们过去常常沿河散步。3. would后接like、love、mind等动词，表示要求、邀请、希望或询问，此时不是说过去，而是对现在的询问：Would you like to come to my party? 你愿意来我的派对吗？Would you mind coming with us? 你介意和我们一起吗？比如本题，would 表示婉转的请求，征求对方的意见，故选A。7Days later, my brother called to say he was all right, but _say wher

11、e he was.Amustnt Bshouldnt Cwouldnt Dmightnt【答案】C【解析】考查情态动词。句意：“数天后，我弟弟打电话说他很好，但不肯告诉我他在哪里。”mustnt“禁止”；shouldnt“不应该”；wouldnt“不情愿”；mightnt“不可能”。8No student _ go out of school to have lunch without permission of the headteacher.Amight BmustCshall Dcould【答案】C【解析】【详解】考查情态动词。句意：未经校长允许，任何学生不得离开学校去吃午饭。might

12、可能；must一定，必须；shall会，将；could能够。本句是一条禁令。shall用于肯定句并且主语是第一、三人称时，表示允诺，警告，劝告等语气。故选C。9Frankly speaking, I am not sure whether I _ this in the old days with that kind of equipment, which looks quite odd and ridiculous.Ashould have done Bneed have done Cwould have done Dmust have done【答案】C【解析】【详解】考查情态动词+hav

13、e done。句意：坦率地说，我不确定在过去我是否会用这种设备做这件事，这看起来很奇怪和可笑。A. should have done表示本应该做某事，而实际上没有做某事；B. need have done表示本来需要做某事而没有做；C. would have done虚拟语气，表示对过去事情的假设，意思是“本来会做”；D. must have done表示对过去事情的肯定推测，译成“一定做过某事”。由“in the old days”可知，本句表示对过去事情的假设。故选C项。10No driving after drinking is a rule that every driver _ ob

14、ey in our country.Awill BshallCmay Dcan【答案】B【解析】试题分析：考察情态动词。A. 将要 B.将要 C.可能D.可以。Will 表示请求、建议、意志、愿望和决心。Shall用于第二、第三人称，表示说话人给对话的命令、警告、允诺或威胁。May表示请求和允许；用于祈使句表示决心；表示推测、可能性。Can表示能力；请求和允许。句意：酒后驾车是每一位驾车者在我们国家应当遵守的规则。故选B。考点：考察情态动词11Tony _ what I did annoying though he didnt say anything.So you think you wil

15、l have to make an apology?Acould find Bshould have foundCmight find Dmust have found【答案】D【解析】【详解】考查情态动词+have done。句意：Tony一定觉得我做的事很烦人，尽管他什么也没说。所以你认为你得道歉吗?。由“what I did”可知，此处是对过去事情有把握的推测，must have done“一定是做某事了”。故选D项。【点睛】情态动词+ have done结构：1.“must + have + 过去分词”表示对过去发生的事情或状态进行推测,语气比较坚定,通常只用于肯定句.如：It must have rained last night,for the ground is wet.2.“can / could + have + 过去分词”表示对过去某种情况的怀疑或不确定.can和could一般用于否定句和疑问句,could的语气