1、情态动词1. (2021安徽卷T34)Itbe the vocabulary that caused you the problem in the exercise because you know a lot of words.A. may B. couldntC. shouldD. neednt【解析】选B。考查情态动词。句意:根本不行能是词汇造成了你练习中的问题,由于你把握了很多单词。依据句意可知本题考查的是对现在的否定推想,故选B。may“可能”;should“应当”;neednt“不需要”。2.(2021新课标全国卷T6) (2021大纲版全国卷T26)Since nobody ga
2、ve him any help, he have done the research on his own.A.canB.mustC.wouldD.need【解析】选B。考查情态动词表示推想。句意:由于没有人挂念他,他确定独自完成了这项争辩。can表示推想时,常用于否定句和疑问句,用于确定句时,表示理论上对客观状况的推想;must表示推想时,只能用于确定句,推想的可能性很大,译为“确定”;would常用于虚拟,不用于推想;need表示推想时,常用于否定句。由此可知选B。3.(2021浙江卷T3)I myself moreit was a perfect day.A. shouldnt have
3、 enjoyedB. neednt have enjoyedC. wouldnt have enjoyedD. couldnt have enjoyed【解析】选D。考查情态动词的用法。句意:我玩得再快乐不过了这是完善的一天。D项表示不行能做过,这里是用比较级的否定形式表示最高级的意思,故选D。A项表示本不该做却做了;B项表示本不必做却做了;C项将不会做,用于与过去事实相反的虚拟语气。4.(2021四川卷T5)Why are your eyes so red? Youhave slept well last night.Yeah, I stayed up late writing a repo
4、rt.A.cant B.mustnt C.needntD.wont【解析】选A。考查情态动词的用法。句意:你的眼为什么那么红?昨晚你确定没睡好。是的,我熬夜写一篇报道了。A项cant have done表示对过去的否定推想;B项表示“禁止,不允许”,不能用于对过去的推想;C项neednt have done表示过去不需要做某事(但却做了);D项不能用于对过去的推想。5.(2021重庆卷T26)What are you doing this Saturday?Im not sure, but Igo to the Rolling Stones concert.A.must B. wouldC.s
5、houldD.might【解析】选D。考查情态动词。句意:你这个周六要干什么?我不太确定。我可能去滚石乐队的音乐会。由“我不太确定”可以推断应当选择可能性不是很大的情态动词might, 故选D;A项表示“必定,必定”;B项为“will”的过去式,往往表示意愿或恳求;C项表示 “应当”。6.(2021辽宁卷T31)Harry is feeling uncomfortable. Hetoo much at the party last night.A. could drink B. should drinkC. would have drunk D. must have drunk【解析】选D。考
6、查情态动词的用法。句意:Harry感到不舒适。他确定是在昨晚的聚会上喝了太多的酒。依据句意是对发生在过去的状况的推想,用must have done。7.(2021天津卷T9)No onebe more generous, he has a heart of gold.A.couldB.must C.dareD.need【解析】选A。考查情态动词。句意:没有人能比他更慷慨大方,他拥有一颗金子般高尚的心灵。could可能;must必需,确定(表示格外确定的猜想,不用于否定句);dare敢;need需要。依据句意选A。8.(2021陕西卷T21)The childrenlost in the wo
7、ods; otherwise, they would have been at the lakeside camp as scheduled.A.must have gotB.must getC.should have gotD.should get【解析】选A。考查情态动词。句意:孩子们确定在森林里迷路了;否则他们会依据预定时间来到湖边营地的。依据后半句“would have been”可知是对过去事情的虚拟,must have done表示对过去发生的事情的确定推想,依据句意,应选A。9.(2021北京卷T35)You neednt take an umbrella.It isnt goi
8、ng to rain.Well,I dont know.Itdo.A.mightB.needC.wouldD.should【解析】选A。考查情态动词。句意:你不需要带伞,不会下雨。哦,我不知道。或许会下雨。might表示不太确定。由I dont know可知A项符合句意。B项表示“需要”;C项表示“意愿”;D项表示“应当”。10.(2021湖南卷T32)Hesleep, although he tried to, when he got on such a hunt for an idea until he had caught it.A.wouldntB.shouldntC.couldntD
9、.mustnt【解析】选C。考查情态动词。句意:当他正查找一个方法的时候,尽管他试图入睡,但是他就是无法睡觉,直到把方法想出来。could表力气,意为“能够,可以”,couldnt是其否定形式。11.(2021江西卷T29)When I was a child, Iwatch TV whenever I wanted to.A.shouldB.couldC.mustD.need【解析】选B。考查情态动词。句意:当我是一个孩子的时候,无论什么时候想看电视都可以。could在此表示“可以”。12.(2021新课标全国卷T29)The dooropen,no matter how hard she pushed.A.shouldntB.couldntC.wouldntD.mightnt【解析】选C。考查情态动词。句意:不管她怎么用力推,门总是打不开。shouldnt不应当,couldnt主观的不能,wouldnt不愿,不行能,总是不;mightnt可能不。