外研版八年级英语情态动词练习题40篇含答案.doc

外研版八年级英语情态动词练习题40篇含答案一、选择题1Have you decided to take up teaching as career after graduation? I _ go abroad for further education instead. But it depends.AmustBshouldCmayDshall2Think twice before making a decision, or you _ get into trouble.AmayBcantCshouldntDmustnt3There is a knock at the door.It _ be my mom. She always comes back home at this time.AmayBmay notCmustDcant4Will my car be ready by the end of the day?It _ be, sir. Ill call if theres any problem.AmustBcouldCshallDshould5Dad, must we wait until the light becomes green? Yes, I am afraid we _. Thats the traffic rule.AmayBcanChave toDneed6 _ you give me a hand? I cant put up the poster by myself.No problem.ACouldBShouldCNeedDMust7 Is Lang Lang going to perform at Art Center this Friday? Yes. It _ be him. He has been here for three days.AmightBmustCmustntDmay8Exercise is helpful but it _ be regular (规律的) exercise.AmustBmayCcanDneed9Youd better _ hard from now on, _ you will fail the exam.Awork; andBworking; orCworking; andDwork; or10When you visit a museum, some instructions should _ and wed better not _ them.Apay attention to; be againstBbe paid attention; againstCbe paid attention to; againstDbe paid attention to; be against11 Mom, must I clean my room now? No, you _. You can do it after dinner.AneedntBmustntCshouldntDcant12Hurry up, Jack! Lets cross the road as fast as possible.No, you _. Dont you see the light is still red?AcouldntBwouldntCmustntDneednt13 Zoe, what do you think is the greatest advantage of shopping online? At least I _ spend much time going from shop to shop.AshouldntBcantCneedntDmustnt14Sorry, smoking is not allowed here. If you _ , you will be fined according to the rules.AcanBwillCmayDmust15The boy is very braveI _ he _ the tall treeAdare say; dares to climbBdare to say; dare climbingCdare saying; dares climbDdare to say; dares climbed16The high school entrance examination is coming!Yes, our teacher tells us we _ be too careful while taking examsAmustntBshouldntCneedntDcant17-Will you be back early this evening?-Yes, but I _ be a little late. Our boss sometimes has extra work for us.AmayBmustCneedDwill18Weve discussed every detail of this plan and have got everything ready. But still something _ go wrong. We still have to be very careful.AmustBshouldCwouldDmay19Amy, I hear youve got many foreign coins_ I have a look?Of course, Ill fetch them for youAMayBMustCShouldDNeed20You _ pay too much attention to your pronunciation, as it is so important in the oral（口头的） test.AshouldntBmustntCcantDneednt21My bike was broken yesterday，so I_walk home AmightBhad toCmustDcould22 Ready? Lets get started, Martin. Swimming? I just _get used to it in winter.AcantBneedntCmustntDshouldnt23Dr. Zhong Nanshan once said, To prevent the spread of this disease, we_never be too careful.AcanBmayCmustDshould24Will your mother be at home this Saturday?Hard to say. She _go to the countryside to see my grandparents.AmustBmayCcanDwould25Its amazing that the pen _turn voice into text with few mistakes.AcanBmustCmayDneed26 Will dad arrive home at 6 oclock to have dinner with us this evening? I think he will, but he _ not. Sometimes he works extra hours.AcanBmustCneedDmay27Could I join you in the programme?Sorry, you _. You are too young.AshouldntBmustntCcantDneednt28Who is singing next door? It sounds like a young girls voice.It _ be Jane. But she seldom sings English songs.AneedBmustCmayDcan29You _ require others to do with the problem like you. Everyone has his own way.AmustntBneedntCmay notDshouldnt30I must go to school today, _?No, you _.You can go as soon as you get well.Amustnt I;needntBneednt I;needntCmustnt I;mustntDneednt I;mustnt31 Excuse me, could you tell me where the Nanjing Brocade Museum is? Go along this road for five minutes. You _ miss it. Its a huge building.AmustntBcantCneedntDshouldnt32Must the children leave at six tomorrow morning?No, they _. They can have more time to get ready for the trip.AcantBneedntCmustntDmay not33According to the rule, used batteries _ be dropped in the red bin for harmful wastes.AmayBwouldCshouldDmight34Must I finish all my homework today, Mum?No, you _, my dear. You can finish some tomorrow if you like.AneedntBshouldntCcantDmustnt35Suzy described every detail of the accident just now.Her memory _ be completely back.AshallBneedCmustDcould36Most young people like shopping online because they _ spend much time going from shop to shop.AneedntBcantCmustntDshouldnt37The high school entrance examination is coming! Yes, our teacher tells us we _ be too careful while taking exams.AmustntBshouldntCneedntDcant38When people are waiting at the zebra crossing, cars and buses _ wait and let them go first.AmustBmayCcanDneed39Is it really necessary for me to go shopping with a mask on?Im afraid you _ in public. It is not only to protect yourself but also to protect others.AmustBshouldCcanDneed40Seventy dollars for such a dress! You _ be joking!Im serious. Its made of silk from Hangzhou.AmustBneedCwillDcan41 Excuse me. I havent finished reading the book yet. May I keep it a bit longer? Sorry, you _. You must return it on time.AneedntBcantCwontDshouldnt42Cars _ give way to walkers on some roads in Binhai, or the drivers will be fined.AmayBwillCcanDmust43Youve got an A in the maths test again. You _ be good at it.AcanBmayCmustDshould44For the safety of the passengers, objects like guns _ be carried on board.Amay notBneedntCmight notDmustnt45Whos the man over there? Is that Mr. Black? It _ be him. Mr. Black is much taller than that man.AmayBmustCcantDmustnt46May I have some wine to drink?No, you _. You have to drive home later.AmustntBneedntCcantDmay not47I think they are enough. We _ make so many chairs.I dont think so. Because nearly a quarter of them need _.Adont need to; mendingBneeded; to be mendedCdont need; mendDneed; to mend48We teenagers _ have dreams. With dreams and hard work, anything amazing _ be created.Amay; canBmight; shouldCshould; canDmust; has to49Do we have to finish this today?Yes, you _ . Today is the last day.AwouldBmayCcanDmust50Will Jim come to Yangzhou for a holiday?He _come and it depends on how much homework he will have.AmayBshouldCmustDneed【参考答案】*试卷处理标记，请不要删除一、选择题1C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。2A解析：A【详解】句意：做决定前要三思，否则你可能会惹上麻烦。考查情态动词。may可能；cant不能；shouldnt不应该；mustnt不允许；根据语境理解可知，此处表达的是“可能”，是一种不太肯定的推测，英语用may，故选A。3C解析：C【详解】句意：有人敲门。一定是我妈妈。她总是这个时候回家。考查情态动词辨析。may也许；may not也许不；must一定；cant不能。根据“She always comes back home at this time.”可知，此处表示非常肯定的推测，故选C。4D解析：D【详解】句意：我的车今天能修好吗？应该能，先生，如果有什么问题我会打电话给你。考查情态动词辨析。must必须，一定，表推测时，语气最肯定；could可能，表推测时，其意很不肯定；shall将，会；should应当，应该，表示推测时，其语气比较肯定，它通常指非常可能的事，并暗示其推测有一定的事实依据或者合乎常理。根据“Ill call if theres any problem”可知，是说话人按照事实有一定依据的推测，用should符合语境。故选D。5C解析：C【详解】句意：爸爸，我们一定要等绿灯吗？是的，恐怕我们必须这样做。这是交通规则。考查情态动词。may可能；can可以；have to必须；need需要；根据“must we wait until the light becomes green”及“Thats the traffic rule”可知，每个人都必须要遵守交通规则，应用have to，故选C。6A解析：A【详解】句意：你能帮我一把吗？我一个人贴不起海报。没问题。考查情态动词辨析。Could能、会（用在问句中表示委婉语气）；Should应该；Need需要；Must必须。根据“I cant put up the poster by myself.”可知，此处表示请求，用委婉语气表达“能”帮一下吗。故选A。7B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。8A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。9D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。10D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。11A解析：A【详解】句意：妈妈，我现在必须打扫房间吗？ 不，不需要。你可以在晚饭后做。考查情态动词。neednt不需要；mustnt禁止；shouldnt不应该；cant不能。根据英语语法，对于must开头一般疑问句，若要作否定回答，可用neednt，不用mustnt。故选A。12C解析：C【详解】句意：快点，杰克！让那个我们尽快地过马路。不，你不能这样，你没有看到是红灯吗？考查情态动词。couldnt不能，不会；wouldnt不愿意；mustnt禁止，不要；neednt不需要，不必。根据下文“Dont you see the light is still red”可知，现在是红灯，禁止过马路，故选C。13C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。14D解析：D【详解】句意：对不起，这里不允许抽烟。如果你一定要抽的话，你会被按规定罚款的。考查情态动词辨析。can能、会；will将要；may可以；must必须、一定。根据主句“you will be fined according to the rules.”可知，应是如果你一定要抽的话。故选D。15A解析：A【解析】句意“这个小男孩非常的勇敢，我敢说，他敢爬上那棵高的树”。dare既可作情态动词，也可作实意动词。做情态动词时，无人称与数的变化，且空后用动词原形；做实意动词时，有人称和数的变化，用dare to do sth。第一空排除C。第二空即可写成dare climb也可写成dares to climb，故选A。16D解析：D【详解】句意：中考就要来了！是的，我们的老师告诉我们考试的时候我们再怎么仔细都不为过。考查情态动词。mustnt禁止；shouldnt不应该；neednt不需要；cant不能、不可能。根据“while taking exams”可知这里应用cant，cant be too+adj.表示“再也不为过”，故选D。17A解析：A【详解】句意：你今晚会早点回来吗？ 是的，但我可能会晚一点。我们的老板有时有额外的工作要做。A. may也许；B. must必须；C. need需要；D. will将，将会。由下文的句子Our boss sometimes has extra work for us. 我们的老板有时有额外的工作要做。可知，今晚我可能会晚一点回来。因此用may be表示推测；选项B/C/D不符合语境。故选A。18D解析：D【详解】本题考查：情态动词辨析。选项分析：A. must必须，一定。B. should应该；就；可能；将要。C. would 将，将会（will 的过去式）。D. may可以，能够。综合分析前后句， 可知此处填may最合适，完整句意为：Weve discussed every detail of this plan and have got everything ready.我们已经讨论了这个计划的每个细节，一切都准备好了。But still something may go wrong.但仍有可能出错。We still have to be very careful.我们还是要非常小心。正确答案为：D【点睛】would，could，must，might，may，can都可以表示“可能性”：按照可能性的大小可以排序为might、may、could 、can、should、would、must。也就是说，might表示最小的可能性，must则表示达到最大的可能性。如：He might be at home. 他或许在家（但是可能性不大）。He may be at home. 他或许在家（稍有那么一点儿可能）。He must be at home. 他一定在家。此外，它们还表示各自独特的意思：may / might 表示有应承，即“可以”；can / could 表示有能力，即“能够”；should 表示有义务，即“应该”；would 表示有愿望，即“愿意”；must 表示有必要，即“必须”。19A解析：A【分析】【详解】句意：埃米，我听说你有许多外国硬币，我可以看一看吗？当然，我去给你拿来。 考查情态动词辨析。May可以，表示请求许可；Must必须，强调主观愿望；Should应该，指主语的责任与义务；Need需要，必须。本题表示“请求”看看硬币，用may，故选A。20C解析：C【详解】句意：你应该非常重视你的发音，因为它在口语考试中如此重要。shouldnt不应该，mustnt禁止，cant 不可能， neednt 不必。cant too much太也不过分，故选C。21B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 broken 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。22A解析：A【详解】句意：准备好了吗？我们开始吧，马丁。游泳？我只是不能习惯冬天游泳。考查情态动词。cant不能；neednt不必；mustnt禁止；shouldnt不应该。根据getusedtoitinwinter“习惯冬天游泳”可知，应该是“不能”习惯冬泳，用cant，故答案选A。23A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。24B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；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】25A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。26D解析：D【详解】句意：爸爸今晚6点回家和我们一起吃晚饭吗?我想他会的，但也有可能不会。有时他加班。考查情态动词表推测，can能，会；must必须；need需要；may可能。根据“Sometimes he works extra hours.”，可知应该是不确定，故选D。27C解析：C【详解】句意：我可以加入你的计划吗？对不起，你不能。你太年轻了。考查情态动词。shouldnt不应该；mustnt禁止；cant不能；neednt没必要；根据“You are too young.”可知，你太年轻了，由此说明你不能参加对方的计划。故选C。28C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。29D解析：D【详解】句意：你不应该要求别人像你一样来处理问题。每个人都有自己的方法。考查情态动词。mustnt不许，表禁止；neednt 不必；may not 也许不；shouldnt不应该；根据“ Everyone has his own way”每个人都有自己的方法；可知，此处指“不应该如此要求别人”。故选D。30B解析：B【详解】句意：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。31B解析：B【详解】句意：打扰一下，你能告诉我南京锦绣博物馆在哪里吗？沿着这条路走五分钟。你不会错过的。它是一座巨大的建筑。考查情态动词辨析。mustnt不能，表禁止；cant不可能，表否定推测；neednt无需，指没有必要；shouldnt不应该，表建议。根据下文“Its a huge building”，可知不可能错过这么大的一座建筑，ACD三项不合语境，故选B。32B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。33C解析：C【详解】句意：根据规定，使用过的电池应丢弃在红色的有害废物箱中。考查情态动词辨析。may也许；would将会；should应该；might可能。根据“used batteriesbe dropped in the red bin for harmful wastes”可知，使用过的电池应丢弃在红色的有害废物箱中，故选C。34A解析：A【详解】句意：妈妈，我必须今天完成所有作业吗？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。35C解析：C【详解】句意：苏西刚才描述了事故的每一个细节。她的记忆一定完全恢复了。考查情态动词辨析。shall将要；need需要；must必须，一定；could能。根据“Suzy described every detail of the accident just now.”可知，此处表示非常肯定的推测，故选C。36A解析：A【详解】句意：大部分年轻人喜欢网上购物，因为他们不需要花费大量时间从一家店到另一家店。考查情态动词的用法。neednt不必；cant不能；mustnt禁止；shouldnt不应该。根据句意可知，年轻人喜欢网上购物，是因为他们不必把时间花在来回逛商店上。故选A。37D解析：D【详解】句意：高中入学考试快到了! 是的，我们老师告诉我们考试时再怎么仔细都不为过。考查情态动词。mustnt禁止；shouldnt不应该；neednt不必；cant不能。“cant be too +adj.”意为“再怎么样也不为过”，结合语境，故选D。38A解析：A【详解】句意：当人们在斑马线前等候时，汽车和公共汽车必须等一等，让他们先走。考查情态动词。must必须；may可能；can能够；need需要。根据“wait and let them go first”可知此处是讲礼让行人的交通规则，应是必须等行人先过。故选A。39A解析：A【详解】句意：我真的有必要带着口罩去购物吗？恐怕在公共场合你必须如此。这不仅是保护自己，也是保护他人。考查情态动词。must必须；should应该；can可以；need需要。根据“It is not only to protect yourself but also to protect others.”可知在公共场合必须戴口罩。故选A。40A解析：A【详解】句意：这样一件衣服要70美元！你一定是在开玩笑！我是认真的。这是杭州的丝绸做的。考查情态动词辨析。must一定；need必须；will将；can能够。根据“Seventy dollars for such a dress”可知，70美元竟然买这样一件衣服，认为对方一定是在开玩笑，故选A。41B解析：B【详解】句意： 原谅我，我还没有读完这本书。我可以再借一段时间吗？ 抱歉，你不可以。你必须准时归还。考查情态动词。neednt没有必要；cant不可以、不允许；wont不会；shouldnt不应该。根据“You must return it on time.”可知，不可以再借一段时间， cant不允许，不可以。再