2021_2021学年高一英语寒假提升天天练之语法Day5情态动词含解析.doc
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1、情态动词1. We have received an order that we _ the lab for a couple of days.A. mustnt use B. not use C. can not use D. may not use【答案解析】 B【详解】考查虚拟语气和情态动词。句意:我们接到命令,几天内不使用这个实验室。如果是order/command/advice/suggestion等表示“命令/建议/要求”等名词的同位语从句,则从句必须使用虚拟语气,即从句的谓语动词由“(should)+ 动词原形”构成,且should经常被省,所以是(should)not use。
2、故选B项。2. We _ have bought so much food now that Suzie wont be with us.A. may not B. cant C. mustnt D. neednt【答案解析】 D【详解】考查情态动词辨析。句意:既然Suzie不在我们身边,我们就没必要买那么多食物了。now that(既然),表原因;neednt have done (过去)本没必要做(却已经做了),may not have done可能没做过,cant have done不可能已做过,mustnt have done (原先)一定没做过。全句表达对过去没必要的事却做了的一种遗
3、憾,所以用neednt have done。故选D项。3. What are you doing this Saturday? Im not sure, but I go to the Rolling Stones concertA. must B. wouldC. should D. might【答案解析】 D【详解】考查情态动词。句意:你这个周六准备干什么?我不确定,但是我有可能会去滚石的音乐会。前面说了不确定,要是后面用must,和前面的不确定相矛盾,排除A。所以but后面只能是说一种比较小的可能性,用might,故选D项。4. _ you interrupt now? Cant you
4、 see Im on the phone?Sorry Sir, but its urgent.A. Must B. Can C. Should D. Could【答案解析】 A【详解】考查情态动词辨析。句意:你现在必须要打断吗?你没看见我在打电话吗?对不起,先生,有急事。A. Must必须,非要;B. Can能够,可以;C. Should应该,竟然;D. Could能够,可以。根据语境“Cant you see Im on the phone?”可推测出,说话人对有人打断他打电话很反感,空缺处表达的应为:你必须要现在打断我吗?故选A项。5. The new law states that pe
5、ople _drive after drinking alcohol.A. wouldnt B. neednt C. wont D. mustnt【答案解析】 D【详解】考查情态动词辨析。句意:新法律规定酒后不能开车。A. wouldnt不愿意;B. neednt不需要;C. wont不愿意;D. mustnt禁止。这里提到法律,因此四个情态动词否定形式中,用mustnt表示“明令禁止”。故选D。6. You _ her more help, even though you were really busy.A. might give B. must have givenC. ought to
6、 have given D. ought to give【答案解析】 C【详解】考查情态动词。句意:你应该给她更多的帮助,即使你真的很忙。must have done表示“对过去情况的肯定推测”,should/ought to have done表示“本应该完成,却未完成”;由语境可知,此处指“本应该给却未给她的帮助”,用ought to have given。故选C项。7. When he was there, he _ go to that tea house at the corner when he was free everyday.A. had better B. might C.
7、 would D. should【答案解析】 C【详解】考查情态动词辨析。句意:他在那儿的时候,每天有空的时候都会去拐角处的茶馆。A. had better不得不;B. might也许;C. would老是;D. should应该。由语境可知,“每天有空时去茶馆”是过去的习惯性动作,would可用于表示过去的习惯或过去经常发生的动作或过去的规律性动作,后接动词原形。故选C项。8. Paul did a great job in the speech contest. He many times last week.A. need have practised B. might practise
8、C. must have practised D. could practise【答案解析】 C【详解】考查情态动词。句意:保罗在演讲比赛中表现得很好。他上星期一定练习了很多次。must have done是对过去发生的动作最有把握的猜测,意思是“一定”。故C选项正确。9. You dont look well, you _ see the doctor.A. ought to B. mayC. can D. might【答案解析】 A【详解】句意:你看起来不好,你应该去看看医生。根据“看起来不好”可以得知是应该去看医生。A. ought to 应该; B. may 可能;C. can 会;
9、D. might可能。故选A。10. You look so tired. You_late last night.Yes, I had to finish an important report last night so I didnt sleep at all.A. could sleep B. should have sleptC. may sleep D. must have slept【答案解析】 D【详解】考查情态动词+have done。句意:你看起来很累。你昨晚一定睡得很晚。是的,我昨晚必须完成一份重要报告,所以一直没睡。A. could sleep能够,可以;B. shou
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