最新初中英语语法知识—情态动词的知识点复习(1)
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一、选择题1.—Could you please hang out with me this afternoon?—______. I have to make a plan for Clean-Up Day.A.Sorry, I couldn’t B.Sorry, I can’tC.Sure, I can D.Sure, I could2.-Listen! A wolf is crying!-It _______ be a wolf, because a wolf never comes out at this time.A.mustn’t B.needn’t C.can’t D.don’t 3.All passengers_____ go through safety check before they take a plane.A.may B.can C.must D.need 4.—Can we walk across the road now?—No, we . We have to wait until the light turns green.A.coul dn’t B.needn’t C.shouldn’t D.mustn’t 5.---Mum, must I finish my homework today?---No, you . Tomorrow is Sunday and you may have a rest today.A.shouldn’t B.mustn’t C.can’t D.don’t have to 6.A: Is Jim coming by train?B: I’m not sure. He _______ driv e his car.A.must B.may C.need D.should 7.—Can I take some milk and biscuits to the reading room?—No, our school has a rule that students _______ eat or drink there.A.can’t B.mustn’t C.needn’t D.may not 8.—How nice the building is! What is it for? —It ________ a hotel. But I’m not sure. A.must be B.have to be C.may be D.can be 9.—Doesn’t Frank like staying at home and looking after his little sister?—_______, but he ________ because both of his parents work.A.Yes; has to B.No; has toC.Yes; doesn’t have to D.No; doesn’t have to10.—I’d like ________ Guo Jingming’s Tiny Times.—You had better________ his books. The stories he tells are far from real life. A.buying, don’t read B.to buy, not readC.buying, not read D.to buy, not to read11.—The book report is very important. You ________ write it carefully.—But I ________ hand it in now.A.must; must B.have to; mustC.must; have to D.have to; have to12.Even the top student can't work out this problem, so it________ be too difficult. A.must B.may C.can D.need13.—Must I go out to have dinner with you, Mum?—No, you , my dear. You’re free to make your own decision.A.shouldn’t B.mustn’t C.needn’t D.can’t 14.(2017·甘肃白银·10)—I wonder if these are Danny's glasses.—They________be Danny's. He doesn't wear glasses.A.can't B.must C.mustn't D.can 15.This book _____ Lucy’s. Look! Her name is on the book cover.A.must be B.may be C.can’t be D.mustn’t be 16.Everyone______ be polite to their parents.A.could B.may C.should D.can 17.---I heard they went skating in the mountains last winter.---It ______ true because there was little snow there.A.may not be B.won’t be C.couldn’t be D.will be 18.— Will Jim come to Yangzhou for a holiday?— He ________come, it depends on how much homework he will have.A.may B.should C.must D.need 19.一Hurry up, Mark! Let's cross the road as quickly as possible.一No,you . Don't you see the light is still red?A.couldn't B.wouldn't C.mustn't D.needn't 20.—Must I sleep now? —No, you________.A.needn't B.mustn't C.can't D.may not 21.—________ David be the new chairperson of the Students’ Union?—He _______ be, but I’m not sure.A.Can; can’t B.Can; mayC.May; must D.May; mustn’t22.—Look! Mrs. Smith is standing in front of the teaching building.—It______ her. She has gone to Egypt for her holiday.A.must be B.mustn’t be C.can be D.can’t be 【参考答案】***试卷处理标记,请不要删除一、选择题1.B解析:B【解析】【分析】【详解】句意:——今天下午你可以和我一起去闲逛吗?——对不起,我不能。
我必须为清洁日定计划。
考查情景交际。
Sorry, I couldn’t对不起,我不能。
前句的could表示一种委婉的语气,答语中的could表示过去,错;Sorry, I can’t 对不起,我不能;Sure, I can当然,我能。
与后句矛盾,错;Sure, I could当然,我能。
与后句矛盾,错。
故选B。
2.C解析:C【解析】【详解】句意:--听! 狼在叫! --它不可能是狼,因为狼从来不会在这个时候出来。
A. mustn’t禁止;B. needn’t没有必要;C. can’t不可能;D. don’t构成一般现在时的否定句。
根据“because a wolf never comes out at this time因为狼从来不会在这个时候出来”,可推断它不可能是狼,故选C。
【点睛】情态动词表推测的用法:can表示“可能”;can’t表示“不可能”;may表示“可能”,must表示“一定”,注意mustn’t表示“禁止”不表示推测,表示否定推测要用can’t.3.C解析:C【解析】【详解】句意:所有乘客在乘坐飞机前必须经过安全检查。
考查情态动词辨析。
may可以,表许可或请求;can能,表能力或许可;must必须,指一定;need需要,指有必要。
根据句意语境可知,安检强调“必须,一定”,故选C。
4.D解析:D【解析】【分析】【详解】句意:-我们现在能过马路了吗?-不,我们不能,我们要等到交通灯变绿。
couldn’t不能;needn’t不需要,不必;shouldn’t不应该;mustn’t禁止,不要。
根据句意We have to wait until the light turns green可知,在红灯的时候是禁止过马路的,因此这里的语气比较强,故应选D。
5.D解析:D【解析】【分析】【详解】句意:——妈妈,我今天必须完成作业吗?——不,你不必这么做。
明天是星期天,你今天可以休息一下。
考查情态动词辨析。
A. shouldn’t不应该,表建议;B. mustn’t一定不,表禁止;C. can’t不能,表示不允许;D. don’t have to不必,指没有必要。
回答must引起的一般疑问句,如果要作否定回答,一般是用needn’t(不能用mustn’t)或not have to。
根据句意语境,可知选D。
6.B解析:B【解析】【详解】句意:——吉姆坐火车来吗?——我不确定,他可能开自己的车。
考查情态动词辨析。
A项,必须,一定,表示肯定推测;B项,也许,表示有可能;C项,需要;D项,应该。
根据回答部分I’m not sure.可知,此处并不确定吉姆是开车来还是乘坐火车来,所以此处是“可能”。
故选B。
【点睛】must意为“必须,应该”,可以表示主观上一定要做什么或者肯定推测。
例如:I must go home to look after my mum. This pair of shoes must be hers. may意为“可以,也许”,可以表示请求或者推测(无法断定)。