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1、情态动词知识点归纳 及答案一、选择题1If you buy your mum an iRobot floor cleaner, she _ sweep the floor every day.AcantBmustntCneedntDshouldnt2To my joy, we_ go to the bank. Mary has lent us some money.AshouldntBneedntCcouldntDwouldnt3We shouldnt throw any objects from the building. Even a small object _ cause seriou
2、s injuries or death, when dropped from a great height.AmustBshouldCmayDneed4 Is Lang Lang going to perform at Art Center this Friday? Yes. It _ be him. He has been here for three days.AmightBmustCmustntDmay5Exercise is helpful but it _ be regular (规律的) exercise.AmustBmayCcanDneed6You _ write the rep
3、ort again because spelling mistakes are not allowed at all.AmustBcanCmayDcould7Youd better _ hard from now on, _ you will fail the exam.Awork; andBworking; orCworking; andDwork; or8When you visit a museum, some instructions should _ and wed better not _ them.Apay attention to; be againstBbe paid att
4、ention; againstCbe paid attention to; againstDbe paid attention to; be against9Mum, why do I have to wear a mask before entering the supermarket?For your health and safety, you _ be too careful.AshouldntBcantCmustntDneednt10Its amazing that the pen _turn voice into text with few mistakes.AcanBmustCm
5、ayDneed11 Why didnt you tell it to me earlier? Why _ I? I want to have my own secret.AcanBmayCshouldDshall12 Zoe, what do you think is the greatest advantage of shopping online? At least I _ spend much time going from shop to shop.AshouldntBcantCneedntDmustnt13Have you decided to take up teaching as
6、 career after graduation? I _ go abroad for further education instead. But it depends.AmustBshouldCmayDshall14Please dont make so much noise. I _ hear the speaker very well.AneedntBcantCshouldntDmustnt15Shall we go camping this summer holiday?Nothing_be better.AshouldBcouldCmustDmay16My bike was bro
7、ken yesterday,so I_walk home AmightBhad toCmustDcould17Dr. Zhong Nanshan once said, To prevent the spread of this disease, we_never be too careful.AcanBmayCmustDshould18Will your mother be at home this Saturday?Hard to say. She _go to the countryside to see my grandparents.AmustBmayCcanDwould19Dont
8、cross the road until the traffic lights turn green. A car_hit you.AneedBmayCshouldDmust20I _ hear you clearly. Would you please repeat it?AmustntBcantCneedntDshouldnt21In China, many students have to stay up late to do their homework.No worries. The government has realized the problem. Im sure there
9、 _ be good news soon.AcanBshouldCmustDneed22 What is that young ladys job? She _ be a nurse, Im not sure.AmustBmayCneedDwould23Must I finish all my homework today, Mum?No, you _, my dear. You can finish some tomorrow if you like.AneedntBshouldntCcantDmustnt24Never throw objects from the building. Ev
10、en a small object _ cause serious injuries, or death, when dropped from a great height.AmustBshouldCmayDneed25Will Jim come to Yangzhou for a holiday?He _come and it depends on how much homework he will have.AmayBshouldCmustDneed26Is it usually warm in Yancheng in May?Yes. But it _ be rather cold so
11、metimes.AmustBshouldCwouldDcan27 The sandstorm in Beijing is so serious this year. Yes, I wonder when we _ worry about the air we breathe.AcantBmustntCneedntDshouldnt28Could you tell me how to renew the library books?With pleasure. You _ come to our desk every time. Its easier to renew them online.A
12、cantBmustntCneedntDshouldnt29Be careful! Fire _ be dangerous sometimes. OK. I will put it out right away.AmustntBshouldCcanDneednt30Mum, I bought some strawberries on my way home.Oh, youre so sweet. But the strawberries _ be put into the fridge for freshness.AmustBcanCmayDneed31A hard-working man _
13、become a great scientist, but a great scientist _ be a hard-working man.Acant; canBmay not; mustCcant; mustDmay not; can32May I have some wine to drink?No, you _. You have to drive home later.AmustntBneedntCcantDmay not33I think they are enough. We _ make so many chairs.I dont think so. Because near
14、ly a quarter of them need _.Adont need to; mendingBneeded; to be mendedCdont need; mendDneed; to mend34We teenagers _ have dreams. With dreams and hard work, anything amazing _ be created.Amay; canBmight; shouldCshould; canDmust; has to35You _ be careful with the camera. It costs!AcanBwillCshouldDma
15、y36Whos singing next door? Is it Miss Wang?It _ be her. Shes having the board meeting.AcantBshouldntCmustntDneednt37Who is singing next door? It sounds like a young girls voice.It _ be Jane. But she seldom sings English songs.AneedBmustCmayDcan38I must go to school today, _?No, you _.You can go as s
16、oon as you get well.Amustnt I;needntBneednt I;needntCmustnt I;mustntDneednt I;mustnt39Must the children leave at six tomorrow morning?No, they _. They can have more time to get ready for the trip.AcantBneedntCmustntDmay not40How beautiful the winter jasmines (迎春花) are!Yes. These golden-yellow flower
17、s _ be widely seen in my city in March.AmustBcanCwouldDshould【参考答案】一、选择题1C解析:C【详解】句意:如果你给你妈妈买一台扫地机器人,她就不必每天扫地了。考查情态动词辨析。cant不能;mustnt禁止;neednt不需要;shouldnt不应该。根据“If you buy your mum an iRobot floor cleaner”可知,买了扫地机器人,就不需要人工每天扫地了,故选C。2B解析:B【详解】句意:使我高兴的是,我们不必去银行了。玛丽借给了我们一些钱。考查情态动词辨析。shouldnt不应该;neednt不
18、必,不需要;couldnt不可能;wouldnt不会。由“Mary has lent us some money”可知,玛丽已经借给我们钱了,所以我们不必再去银行了。故选B。3C解析:C【详解】句意:我们不应该从大楼上扔任何物体。当从很高的高度掉落时,即使一个小的物体可能导致严重的伤害或死亡。考查情态动词辨析。must必须;should应该;may可能;need需要。根据“Even a small objectcause serious injuries or death,when dropped from a great height”可知,从高空中掉落一个小的物体都有可能造成伤害或死亡,表
19、示可能性用may,故选C。4B解析:B【详解】句意:这周五郎朗会去艺术中心表演吗?是的。一定是他。他在这里已经三天了。考查情态动词。might也许;must必须;mustnt禁止;may也许。根据“Yes.”和“He has been here for three days.”可知,此处表示非常肯定的推测,故选B。5A解析:A【详解】句意:锻炼是有帮助的但是它必须是有规律的锻炼。考查情态动词辨析。must一定,必须;may也许;can能够;need需要。根据but转折可知有规律的锻炼才对身体有帮助,故用must表示一定,必须。故选A。6A解析:A【详解】句意:你必须重新写报告,因为根本不允许有
20、拼写错误。考查情态动词。must必须;can能够;may可以;could能够。根据“spelling mistakes are not allowed at all”可知,拼写错误是不被允许的,所以报告必须重写。故选A。7D解析:D【详解】句意:你最好从现在开始努力学习,否则你考试会不及格的。考查情态动词和连词辨析。had better do sth最好做某事,排除BC。and和;or否则。分析“you will fail the exam”可知,如果不努力就会不及格,or“否则”符合语境,故选D。8D解析:D【详解】句意:当你参观博物馆时,应该注意一些说明,我们最好不违反它们。考查含情态动词
21、的被动语态和情态动词跟动词原形。“some instructions”和“pay attention to”属于被动关系,所以第一个空用“should be paid attention to”结构,所以排除A、B;had better not do/be意为“最好不做某事”;against“反对”,介词,所以第二个空用动词短语be against “反对”。故选D。9B解析:B【详解】句意:妈妈,为什么我进超市前要戴口罩? 为了你的健康和安全,你再小心也不为过。考查情态动词辨析。shouldnt不应该;cant不能;mustnt不允许;neednt不必。根据“For your health
22、and safety, you.be too careful.”可知,为了你的健康,你再怎么小心也不为过,“cant.too.”表示“再也不为过”。故选B。10A解析:A【详解】句意:神奇的是,这支笔能把声音转换成文字,而且很少出错。考查情态动词词义辨析。can能够,可以;must必须;may可以,可能;need需要。此句是说这支笔能够把声音转换成文字,表示一种能力,应用can,故选A。11C解析:C【详解】句意:你为什么不早点告诉我? 我为什么应该告诉你?我想要保守我自己的秘密。 考查情态动词。can能够;may可以;should应该;shall将,会。根据“Why didnt you te
23、ll it to me earlier?”及“I want to have my own secret.”可知,此处应该是“我为什么应该告诉你?”故选C。12C解析:C【详解】句意:佐伊,你认为网上购物最大的优势是什么?至少我不需要花很多时间逛商店。考查情态动词。shouldnt不应该;cant不能;neednt不需要;mustnt一定不要,禁止。根据句意可知,网上购物的最大优点是不需要花很多时间逛店。“neednt”表示“不需要”,故选C。13C解析:C【详解】句意:你决定毕业后从事教书工作了吗?我可能出国深造。但要看情况。考查情态动词。must 必须,一定;should 应该,shall的
24、过去式;may 可能;shall 应该。根据“But it depends.”可知,出国深造的可能性不是很大,大概是50%左右,表示50%左右的可能性,“may”符合句意,故选C。14B解析:B【详解】句意:请不要发出那么多噪音。我不能很好地听清楚发言者的话。考查情态动词辨析。neednt不必,指没必要;cant不能,指不能够;shouldnt不应该,表建议;mustnt不能,表禁止。根据上文“Please dont make so much noise”可知,别人发出了太多噪音,所以他“不能够”听见演讲者的话,需用情态动词cant。故选B。15B解析:B【详解】句意:今天暑假我们去露营好吗?
25、没有比这更好的了。考查情态动词辨析。should应该;could可以;must必须;may可能。根据Shall we go camping this summer holiday,可知,此空要对上文的建议表达自己的看法。否定词+比较级表示最高级的意思,此句表示“没有比这更好的了”,用could表示一种委婉的说法。故选B。16B解析:B【详解】句意:我的自行车昨天坏了,所以我不得不步行回家。考查情态动词。might可能;had to必须,不得不;must必须,一定;could能,会,是can的过去式。must强调说话者的主观看法,have to强调客观需要。根据 “My bike was bro
26、ken yesterday我的自行车昨天坏了”可知,此处表达“所以我不得不步行回家”,用情态动词的过去式had to表示“不得不”。故选B。17A解析:A【详解】句意:钟南山院士曾经说过:“要预防这一疾病的传播,我们多么小心也不为过。”考查情态动词。can能、能够;may可以;must必须;should应该。can的否定式和too或enough 连用表示“多么也不为过”,其他情态动词没有这种用法,故答案选A。18B解析:B【详解】句意:你妈妈这周六将在家吗?很难说。她可能去乡下看我的祖父母。考查情态动词辨析。must一定,表示有把握的推测;may可能,表示没有把握的推测;can可以,表示允许;
27、would愿意,表示意愿。根据“Hare to say”可知,此处表示没有把握的推测,因此用may,故选B。【点睛】19B解析:B【详解】句意:在交通灯变绿之前不要横穿马路。汽车可能撞到你。考查情态动词。need需要;may可能;should应该;must一定。分析句意可知,交通灯变绿之前横穿马路,汽车有可能会撞到你,故此处应用may表推测。故选B。20B解析:B【详解】句意:我听不清你说什么。你能重复一下吗?考查情态动词。mustnt禁止;cant不能;neednt不需要;shouldnt不应该。根据“Would you please repeat it?”可知,我不能听清,所以需要对方重复
28、,故选B。21C解析:C【详解】句意:在中国,许多学生不得不熬夜做作业。别担心。政府已经意识到这个问题。我相信很快就会有好消息。考查情态动词辨析。can能、会;should应当;must必须、一定;need需要。根据空前“Im sure”可推知,应是“there must be,一定有”,表示肯定的推测。故选C。22B解析:B【详解】句意:那位年轻女士的工作是什么?她可能是个护士,我不确定。考查情态动词。must必须;may可能;need需要;would将会;根据“Im not sure.”可知,此处是不确定的推测,表示“可能”,应用may,故选B。23A解析:A【详解】句意:妈妈,我必须今天
29、完成所有作业吗?不,你不必,亲爱的。如果你喜欢,你可以明天完成一些。考查情态动词。neednt不必;shouldnt不应该;cant不可能;mustnt禁止。must引导的一般疑问句否定回答为neednt或dont have to,故选A。24C解析:C【详解】句意:切勿将物体从建筑物中扔出去。从高处坠落时,即使是小物体也可能造成严重伤害或死亡。考查情态动词辨析。must必须;should应该;may可能;need需要。根据“Even a small object.cause serious injuries, or death, when dropped from a great heigh
30、t.”可知,从高空中掉落一个小的物体都有可能造成伤害或死亡,表示可能性用may,故选C。25A解析:A【详解】句意:吉姆会来扬州度假吗?他可能会来,这要看他有多少家庭作业。考查情态动词词义辨析。may可以,表达推测时,表示“可能”;should应该;must必须,表达推测时,表示“一定”;need需要。由答语后半句“it depends on how much homework he will have.”可知,此句是说吉姆来不来取决于作业的多少,所以是可能来,用may表示推测,故选A。26D解析:D【详解】句意:盐城5月的天气通常暖和吗?是的。但有时会很冷。考查情态动词辨析。must必须;s
31、hould应该;would将会;can可以,可能。根据“But itbe rather cold sometimes.”可知,此处表示一般推测,故选D。27C解析:C【详解】句意:今年北京的沙尘暴很严重。是的,我想知道什么时候我们不需要担心我们呼吸的空气。考查情态动词辨析。cant不可能;mustnt禁止;neednt不必;shouldnt不应该。根据“I wonder when we worry about the air we breathe”可知,想知道什么时候不必担心空气质量,故选C。28C解析:C【详解】句意:你能告诉我怎样续借图书馆的书吗?非常乐意。你不必每次都来我们前台。在网上续
32、借更容易。考查情态动词辨析。cant不可能;mustnt禁止;neednt不必;shouldnt不应该。根据“Its easier to renew them online”可知,在网上就能完成续借的事情,不必来前台办理,故选C。29C解析:C【详解】句意:小心!火有时候会很危险。好的。我马上把火扑灭。考查情态动词辨析。mustnt禁止;should应当;can会、能;neednt不需要。根据前句“Be careful!”可推知,应是说火有时候会很危险,故情态动词应用can。故选C。30A解析:A【详解】句意:妈妈,我在回家的路上买了一些草莓。哦,你真贴心。但草莓必须放进冰箱保鲜。考查情态动词
33、辨析。must必须;can能够;may可能;need需要。根据“But the strawberries be put into the fridge for freshness”及常识可知,水果一定得放在冰箱里才能保鲜,故选A。31B解析:B【详解】句意:一个努力的人可能不会成为一位伟大的科学家,但一位伟大的科学家一定是一个努力的人。考查情态动词表推测。第一个空,cant表示“不能”或“不可能”,may not表示“可能不”,根据语境可知,努力的人可能成为伟大的科学家,也可能不会成为,因此排除选项A和C;第二个空,must be表示“一定是”,can be表示“有时是、可以是”,根据题干前半
34、句和but转折可知,此空应用肯定推测,即must be,排除选项D。故选B。32A解析:A【详解】句意:我可以喝点酒吗?不,你不能。你一会儿得开车回家。考查情态动词。mustnt不可以,表禁止;neednt不需要;cant不可能;may not可能不是。上句询问能否喝点酒,结合“drive home”可知,开车不能喝酒,表禁止,故用mustnt。故选A。33A解析:A【详解】句意:我想足够了。我们不需要做这么多椅子。我不这么认为。因为将近四分之一需要修理。考查need的用法。根据“I think they are enough. ”可知,第一处表示“不需要”,排除BD。need doing=n
35、eed to be done表被动,故选A。34C解析:C【详解】句意:我们青少年应该有梦想。有梦想和努力,任何惊人的事都能被创造。考查情态动词。may可能;can能够;should应该;might可能;has to不得不;must必须。第一个空表示“应该”,用should;第二个空表示能力,用can。故选C。35C解析:C【详解】句意:你应该小心你的相机。它很贵!考查情态动词辨析。can可以;will将;should应该;may可能。根据“It costs!”可知相机很贵,应该小心。故选C。36A解析:A【详解】句意:谁在隔壁唱歌?是王小姐吗?不可能是她。她正在开董事局会议。考查情态动词表推
36、测。cant不可能是,表示有把握的否定推测;shouldnt不应该;mustnt禁止;neednt没必要。根据“Shes having the board meeting.”,可以判断出不可能是王小姐在唱歌,故选A。37C解析:C【详解】句意:谁在隔壁唱歌?听起来像是一个年轻女孩的声音。可能是简。但是她很少唱英文歌。考查情态动词。need需要;must一定;may可能;can能,会;表示推测时,常用于否定句和疑问句中。根据“It.be Jane. But she seldom sings English songs.”可知,此处表示不确定的推测,且是肯定句,故选C。38B解析:B【详解】句意:
37、今天我必须去上学,是吗?不,你不必。你可以等好点再去。考查情态动词。mustnt禁止,不要;neednt不必,没有必要。must是情态动词,意为“必须”,反意疑问句应用need构成,答语中也应用need。故选B。39B解析:B【详解】句意:孩子们明天早上六点必须离开吗? 不,他们不必。他们可以有更多的时间为旅行做准备。考查情态动词辨析。cant不能;neednt不必;mustnt禁止;may not可能不会。根据“Must the children leave at six tomorrow morning?”可知,此处为Must引导的一般疑问句,否定答语要用needt或dont have to,故选B。40B解析:B【详解】句意:这些迎春花多么漂亮啊!是的,在三月份在我的城市这些金黄色的花可以广泛地看到。考查情态动词。must必须;can能,可以;would将会,愿意;should应该。根据空后“be widely seen”可知,这里表示这些花能够被广泛看到,can符合语境,故选B。
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