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语法知识—情态动词的知识点复习

一、选择题1.(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 2.(2018·山东临沂) Could you please speak a little louder? I ______ hear you very well. A.can’t B.mustn’tC.shouldn’t D.needn’t3.Since you are very tired, you ______ finish the work today.A.needn’t B.may not C.mustn’t D.can’t4.—Is Wendy in the classroom now?—I’m not sure. She ________ be there. I saw her in the library ten minutes ago.A.may not B.must not C.shall not D.would not 5.—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 6.—Tom, we’re going shopping at eight, right?—Yeah, but I ______ be a li ttle late, so don’t wait for me.A.may B.should C.mustn’t7.You __ drive your car so fast. It's very dangerous.A.wouldn't B.shouldn't C.couldn't D.mightn't 8.—Susan, someone is waiting for you on the phone. It_______ be your sister, but I’m not sure.— Oh, please tell her to call me_______ because I’m busy now.A.might; later B.must; later C.might; late D.must; late 9.—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 to10.You run with the train when it is coming. It’s dangerous.A.may not B.mustn’t C.needn’t11.—I feel tired.—You ________ go to bed so late.A.must B.shouldn’t C.should12.I’m sorry, children over 1.4 meters________pay t he full price for the show.A.may B.must C.can D.ought to 13.The flowers ________ every day, or they will die.A.must water B.can be wateredC.should water D.must be watered14.-_________ you help me with my homework?-Of course if I __________.A.Could; could B.Can't; can C.Could; can D.Can; could 15.— 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 16.—Must I sleep now? —No, you________.A.needn't B.mustn't C.can't D.may not 17.—Must I hand in my reports today?—No, you ________.A.mustn’t B.can’t C.shouldn’t D.don’t have to 18.一Already five people in the taxi, but the driver managed to take me as well.一Terrible, and it be an uncomfortable journey.A.can B.should C.must D.need19.—We've prepared all kinds of foods for the picnic.—Do you mean I___ bring anything?A.can't B.needn't C.mustn't D.won't20.My head teacher has made a set of rules to show what we students ________ and ________ not do in class.A.must; must B.will; willC.need; need D.might; might21.— Could you play the piano when you were 8 years old?— ________.A.Yes, I could B.No, I can’t C.Yes, I can D.No, I won’t 22.We _______ keep the new traffic law and learn how to protect ourselves.A.may B.should C.can D.need【参考答案】***试卷处理标记,请不要删除一、选择题1.A解析:A【解析】句意:----我想知道这些是丹尼的眼镜吗?-----他们不可能是丹尼的。

他不戴眼镜。

考查情态动词表推测。

否定推测用can’t/couldn’t;肯定推测用must, may, might, must意思是“一定、准是”,语气较肯定,较有把握。

may, might表示推测“可能性”时,意思是“可能”、“也许”,语气没有 must肯定。

mustn't的意思禁止做某事。

根据下文He doesn't wear glasses.(他不戴眼镜。

)可以推测这副眼镜不是丹尼的;结合句意和语境可知选A。

2.A解析:A【解析】【详解】句意:请你说大点声好吗?我不能很好地听到你说的话。

考查情态动词辨析。

can't不能,表示不能够;mustn't不许,表禁止;shouldn’t不应该,表劝诫;needn’t无需,表示没必要。

本句表示“不能够”,根据句意语境,可知BCD三项意思都与句意不合,故选A。

3.A解析:A【解析】【详解】句意:既然你很累,今天就不必完成这项工作了。

A. needn’t不必;B. may not 可能不;C. mustn’t禁止;D. can’t不能。

根据上文Since you are very tired,可知,情态动词needn’t表示不需要,后面直接加动词原形。

根据题意,故选A。

4.A解析:A【解析】【详解】句意:—温迪现在在教室吗?—我不确定。

她可能不在那里,十分钟前我在图书馆见过她。

考查情态动词表推测。

may not可能不;must not一定不要;shall not将不会;would not 将要、会、就会,表示虚拟、假设、条件等。

根据回答句“I’m not sure”,可推测后句应该是说:她可能不在那里。

是对现在情况的推测,may not“可能不”。

故选A。

5.B解析:B【解析】【详解】句意:——我能带些牛奶和饼干到阅览室吗?——不行,我们学校规定学生不许在那里食用食物。

考查情态动词的用法。

can’t不能;mustn’t禁止,不许;needn’t不必;may not可能不。

由“a rule”可知,“学校禁止或不许学生在阅览室食用食物”。

故选B。

6.A解析:A【解析】【详解】句意:——Tom,我们8点将会去购物,对么?——是的,但是我可能会晚一点,所以不要等我。

考查情态动词词义辨析。

A. may可能;B. should应该;C. mustn’t禁止。

根据句意可知是可能会晚到。

故选A。

7.B解析:B【解析】【分析】【详解】句意:你不应该开车这么快。

太危险了。

考查情态动词。

wouldn't不会;shouldn't不应该,表建议;couldn't不能,表不许可; mightn't不可能,表示否定性推测。

根据下文It's very dangerous.可知不应该开车这么快,故选B。

8.A解析:A【解析】【详解】句意:——苏珊,有人在电话里等你。

可能是你妹妹,但我不确定。

——哦,我现在很忙,请告诉她晚点给我打电话。

考查情态动词辨析及副词。

might可能;must一定;later以后;late晚的,根据第一个空后面的but I’m not sure可知,应该是可能,排除B和D,由第二个空前面的call me可知,应该用later,later则可以作为late的比较级形式,做时间副词表示“随后,稍后”,排除C,故选A。

9.C解析:C【解析】【分析】【详解】句意:——这个读书报告很重要。

你必须仔细地写。

——但我现在必须交上它。

考查情态动词。

must必须,表示说话人主观上的看法;have to不得不,必须,强调客观需要。

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