初中英语语法知识—情态动词的经典测试题及答案
初中英语语法之情态动词用法及练习题(含答案)
情态动词用法及练习题一、情态动词的概念：情态动词主要用以表明说话者对某一行为的态度和观点，主要包括揣测、判断、需要及各种意愿。
常见的情态动词有can、may、could、must、have to、should、would等。
二、情态动词的特征(1)情态动词本身有词义，但词义不完整，因此不能独立作谓语，只能和主要动词一起构成谓语。
例如：I can play the piano.（ can play整体为谓语）(2)其后动词使用原形。
例如：You should lie down.(3)情态动词一般没有人称和数的变化(即不管是何人称，后面接的情态动词都不变)。
例如：I/She can sing.(4)它的否定式一般是在其后加 not构成，在一般疑问句中通常将其提到句首。
结构如下：①肯定句：主语+情态动词+动词原形+其他。
例如：He can swim.②否定句：主语+情态动词+not+动词原形+其他。
例如：He can't swim.③一般疑问句：情态动词+主语+动词原形+其他？Yes，主语+情态动词. No,主语+情态动词+not.例如：-Can he swim?-Yes, he can. No,he can’t.④特殊疑问句：特殊疑问词+情态动词+主语+动词原形+其他? 例如： -What can he do ?-He can swim.三.情态动词的用法(1)can的用法①表示“能力”Can you sing?你会唱歌吗?②表示客观条件允许You can listen to music here.你可以在这里听音乐。
You can’t park your car here. 你不能在此停车③can用在否定句和疑问句中时，有时表示说话人的怀疑、惊异、或猜测：It can’t be true.这不可能是事实Can it be true?这可能是真的吗？④.can的搭配用法：A.as +adj./adv.+as one can/could “尽可能，尽量……”，如：The man took his child to the hospital as quickly as he could.这个男人尽可能快地将孩子送去医院。
九年级(完整版)英语情态动词专项练习附答案含答案
九年级(完整版)英语情态动词专项练习附答案含答案一、选择题1．When you visit a museum, some instructions should ________ and we’d better not ________ them.A．pay attention to; be against B．be paid attention; againstC．be paid attention to; against D．be paid attention to; be against2．Think twice before making a decision, or you __________ get into trouble.A．may B．can't C．shouldn't D．mustn't3．—________ I see your ID card? We have to check your personal information.—Sure. Here you are.A．May B．Need C．Should D．Must4．You ________ drive after drinking alcohol(酒). It’s against the law.A．mustn’t B．needn’t C．couldn’t D．wouldn’t5．You ________ be careful with the camera. It costs!A．can B．will C．should D．may 6．—Who’s singing next door? Is it Miss Wang?—It ________ be her. She’s having the board meeting.A．can’t B．shouldn’t C．mustn’t D．needn’t 7．—The high school entrance examination is coming!— Yes, our teacher tells us we ________ be too careful while taking exams.A．mustn’t B．shouldn’t C．needn’t D．can’t 8．—There is a knock at the door.—It ________ be my mom. She always comes back home at this time.A．may B．may not C．must D．can’t9．—Will my car be ready by the end of the day?—It ________ be, sir. I’ll call if there’s any problem.A．must B．could C．shall D．should10．We shouldn’t throw any objects from the building. Even a small object ________ cause serious injuries or death, when dropped from a great height.A．must B．should C．may D．need 11．—Dad, must we wait until the light becomes green?—Yes, I am afraid we ________. That’s the traffic rule.A．may B．can C．have to D．need12．—In China, many students have to stay up late to do their homework.—No worries. The government has realized the problem. I’m sure there ________ be good news soon.A．can B．should C．must D．need 13．Exercise is helpful but it ________ be regular (规律的) exercise.A．must B．may C．can D．need14．—How beautiful the winter jasmines (迎春花) are!—Yes. These golden-yellow flowers ________ be widely seen in my city in March.A．must B．can C．would D．should15．I ________ hear you clearly. Would you please repeat it?A．mustn’t B．can’t C．needn’t D．shouldn’t16．If you buy your mum an iRobot floor cleaner, she ________ sweep the floor every day. A．can’t B．mustn’t C．needn’t D．shouldn’t 17．— Zoe, what do you think is the greatest advantage of shopping online?— At least I ______ spend much time going from shop to shop.A．shouldn’t B．can’t C．needn’t D．mustn’t 18．—Have you decided to take up teaching as career after graduation?—I ________ go abroad for further education instead. But it depends.A．must B．should C．may D．shall19．We’ve discussed every detail of this plan and have got everything ready. But still something __________ go wrong. We still have to be very careful.A．must B．should C．would D．may 20．—Amy, I hear you've got many foreign coins．_______ I have a look?—Of course, I'll fetch them for you．A．May B．MustC．Should D．Need21．—Shall we go camping this summer holiday?—Nothing________be better.A．should B．could C．must D．may 22．—Would you please________in that way? That’s not safe!—Sorry. I won’t do it any more.A．not driving B．not to drive C．no driving D．not drive 23．Dr. Zhong Nanshan once said, "To prevent the spread of this disease, we________never be too careful."A．can B．may C．must D．should 24．—Will your mother be at home this Saturday?—Hard to say. She _______go to the countryside to see my grandparents.A．must B．may C．can D．would25．—________ you give me a hand? I can’t put up the poster by myself.—No problem.A．Could B．Should C．Need D．Must26．Most young people like shopping online because they ________ spend much time going from shop to shop.A．needn’t B．can’t C．mustn’t D．shouldn’t 27．—Could I join you in the programme?—Sorry, you ________. You are too young.A．shouldn’t B．mustn’t C．can’t D．needn’t28．—Who is singing next door? It sounds like a young girl’s voice.—It _________ be Jane. But she seldom sings English songs.A．need B．must C．may D．can29．To avoid ________, we’d better ________ the parents’ meeting online.A．gather; hold B．gathering; hold C．gather; holding D．to gather; to hold 30．You ________ require others to do with the problem like you. Everyone has his own way. A．mustn’t B．needn’t C．may not D．shouldn’t 31．— Excuse me, could you tell me where the Nanjing Brocade Museum is?— Go along this road for five minutes. Yo u ________ miss it. It’s a huge building.A．mustn’t B．can’t C．needn’t D．shouldn’t 32．—Must the children leave at six tomorrow morning?—No, they _______. They can have more time to get ready for the trip.A．can’t B．needn’t C．mustn’t D．may not 33．— Why didn’t you tell it to me earlier?— Why ________ I? I want to have my own secret.A．can B．may C．should D．shall 34．—Mum, why do I have to wear a mask before entering the supermarket?—For your health and safety, you ________ be too careful.A．shouldn’t B．can’t C．mustn’t D．needn’t35．A hard-working man ________ become a great scientist, but a great scientist ________ be a hard-working man.A．can’t; can B．may not; must C．can’t; must D．may not; can 36．—Must I finish all my homework today, Mum?—No, you ________, my dear. You can finish some tomorrow if you like.A．needn’t B．shouldn’t C．can’t D．mustn’t 37．—Who’s the man over there? Is that Mr. Black?—It ________ be him. Mr. Black is much taller than that man.A．may B．must C．can’t D．mustn’t 38．Never throw objects from the building. Even a small object ________ cause serious injuries, or death, when dropped from a great height.A．must B．should C．may D．need39．—Is it really necessary for me to go shopping with a mask on?—I’m afraid you ________ in public. It is not o nly to protect yourself but also to protect others. A．must B．should C．can D．need40．— Mum, why do I have to wash hands so many times a day?—You ________ be too careful, for your health.A．can’t B．mustn’t C．may not D．needn’t41．I think all the students love the weekends because, to them, they ________ get up early on Saturdays or Sundays.A．mustn’t B．don’t need C．needn’t D．can’t42．—Is it usually warm in Yancheng in May?—Yes. But it _______ be rather cold sometimes.A．must B．should C．would D．can43．—Shall I tell him the change of the time right now?—I’m afraid you ________, otherwise he will be late for the meeting.A．can B．may C．must D．need44．—Will dad arrive home at 6 o’clock to have dinner with us this evening?— I think he will, but he ________ not. Sometimes he works extra hours.A．can B．must C．need D．may 45．—Must we stop the Japanese government discharging nuclear waste water (排放核污水) into the Pacific Ocean?—________. Because everyone should protect our earth and it is bad ________ us to eat the polluted seafood and drink the waste water.A．Yes, we can; of B．No, we mustn’t; of C．Yes, we must; for D．No, we needn’t; for 46．Look at the floor, Tom! ________ you watch TV while having a meal?A．Should B．Could C．Must D．May 47．Sometimes smiles ________ be false, hiding other feelings like anger, fear or worry. A．should B．would C．must D．can48．You’ve got an A in the maths test again. You ________ be good at it.A．can B．may C．must D．should49．— The sandstorm in Beijing is so serious this year.— Yes, I wonder when we ________ worry about the air we breathe.A．can’t B．mustn’t C．needn’t D．shouldn’t 50．We've discussed every detail of this plan and have got everything ready. But still something ________ go wrong. We still have to be very careful.A．must B．should C．would D．may【参考答案】***试卷处理标记，请不要删除一、选择题1．D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。
中考英语情态动词练习题50题含答案解析
中考英语情态动词练习题50题含答案解析1.You study hard if you want to get good grades.A.canB.couldC.mayD.might答案解析：A。
“can”表示能力，在这里表示“能够”努力学习；“could”表示过去的能力或委婉语气；“may”表示可能性或允许；“might”表示可能性，语气比“may”更弱。
这里强调的是现在有能力努力学习，所以选A。
2.I borrow your pen?A.CanB.CouldC.MayD.Might答案解析：C。
“may”用于请求许可，语气比较正式；“can”更强调能力；“could”表示委婉请求；“might”可能性最小，这里是请求借用钢笔，用“may”更合适。
3.He finish the work on time.A.canB.couldC.may答案解析：A。
“can”表示能力，这里表示他有能力按时完成工作；“could”过去的能力或委婉语气；“may”表示可能性或允许；“might”可能性最小，这里强调能力，选A。
4. you help me with this problem?A.CanB.CouldC.MayD.Might答案解析：B。
“could”在这里表示委婉地请求帮助；“can”语气比较直接；“may”和“might”主要表示可能性和允许，不太符合语境。
5.She come to the party if she has time.A.canB.couldC.mayD.might答案解析：C。
“may”表示可能性，在这里表示她有可能来参加派对如果有时间；“can”表示能力；“could”过去的能力或委婉语气；“might”可能性比“may”更小。
6.We go to the park if it doesn't rain.A.canB.couldD.might答案解析：A。
“can”表示能够，这里表示如果不下雨我们能够去公园；“could”过去的能力或委婉语气；“may”表示可能性或允许；“might”可能性最小。
初中英语情态动词专项练习(附答案解析)
初中英语情态动词专项练习（附答案解析）一、单选题1．—Must I hand in the homework right now?—That's the rule.A．Yes, you can.B．No, you can't.C．Yes, you must.D．No, you mustn't.1．答案C解析句意：—我必须现在交作业吗？—这是规则。
是的,，你必须。
A. Yes,you can.“是的,你能”；B. No,you can't.“不,你不能”；C. Yes,you must.“是的,你必须”；D. No,you mustn't.“不,你禁止”。
回答must引导的一般疑问句，肯定用must，表示"必须"。
故选C。
点评考查情态动词引导的一般疑问句的回答，掌握情态动词must的用法。
2．You don't look well, you __________ see the doctor.A．ought to B．may C．can D．Might 2．答案A解析句意：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。
A. ought to “应该”；B. may “可能”；C. can“ 会”；D. might“可能”。
故选A。
点评考查情态动词，区分ought to；may ；can和might的含义和应用。
3．What a beautiful day! You ______ take your umbrella at all.A．needn't B．mustn't C．can't D．may not 3．答案A解析句意：多好的天气啊!你根本不需要带伞。
A. needn't “不必”；B. mustn't“禁止”；C. can't“不可能”；D. may not“或许不会”。
(完整版)初中英语情态动词练习题及答案
( )1 John come to see us tonight, but he isn't very sure yet. A. may B. can C. has to D. Must2 They do well in the exam.A. can be able toB. be able toC. can able toD. are able to3 — May I take this book out? — No, you. A. can't B. may not C. needn't D. aren't4 You go and see a doctor at once because you're got a fever. A. can B. must C. dare D. would5 — Can youspeak Japanese?—No, I.A. mustn'tB. can'tC. needn'tD. may not1. — He be in the classroom, I think — No, he be in the classroom. I saw him go home a minute ago. A. can; may not B. must; may not C. may; can't D. may; mustn't2 — Shall I get one more cake for you, Dad? A. may not B. must not C. can't D. needn't very difficult.A. mayB. mustC. canD. need4 He isn't at school. I think he ___ be ill.A. canB. shallC. mustD. has to5 ___ I take this one?A. MayB. WillC. AreD. Do1 The children play football on the road.A. can'tB. canC. mustn'tD. must2 You ___ be late for school again next time.A. mustn'tB. needn'tC. don't have toD. don't need to3 — Must I do my homework at once? — No, you___.A. needn't B. mustn't C. can'tright. He go and see the doctor.C. haven't toD. doesn't have to2 He had to give up the plan,he?A. didB. didn'tC. doesD. doesn't 3 They had to walk here,they?— Thanks, but you___, I've had enough.3 Even the top students in our class can't work out this problem, so it be D. may not 1 His arm is all A. has not to B. don't have toA. mustn'tB. didC. didn'tD. hadn't1 He had better stay here,he?A. doesn'tB. don'tC. hadn'tD. isn't2 You'd better late next time.A. not to beB. not beC. won't beD. don't be3 You'd better your hair once a month.A. had; cutB. had; cuttedC. have; cutD. have; cutted4 You ask that man over there. Maybe he knows the way. A. had better not to B. had not better C. had better D.had better not1 — Shall we go and visit the History Museum next Sunday? —A. Here you areB. Sorry, I can'tC. Yes, pleaseD. Let me try2 — Why don't you ask Mike to go with us? — Thanks,.A. I willB. I won'tC. leanD. I may 3 —I take the newspaper away? — No, you mustn't. You read it onhere.A. Must; canB. May; canC. Need; mustD. Must; must1 Excuse me.you please pass me that cup?A. DoB. ShouldC. WouldD. Must2 you like to have another try?A. CouldB. WillC. WouldD. Do3 — Would you like to go boating with us? — Yes,. A. I'd like B. I want C. I'd like to D. I do 1 You worryabout your son. He will get well soon. A. needn't B. can't C. mustn't D. have to 2 The poor man needs our help, he?A. needB. needn'tC. doesD. doesn't3 — Must we do our homework first? — No, you. You may have a rest first.A. mustn'tB. needn'tC. may notD. can'tI. I told Sally how to get here, but perhaps I for her.A. had to write it outB. must have written it outC. should have written it outD. ought to write it out 2.——There were already five people inthe car but they managed to take me as well. — It a comfortable journey.A. can ' t beB. shouldn ' t beC. mustn ' t have beenD. couldn ' t have been 3. It ' s nearly seven o ' clock. Jack be here at any moment.A. mustB. NeedC. shouldD. can4. Johnny, you play with the knife, you hurt yourself.A. won ' t; can ' tB. mustn ' t; mayC.shouldn ' t; mustD. can ' t; shouldn ' t5. The fire spread through the hotel very quickly but everyone get out.A. had toB. wouldC. couldD. was able to6. — When can I come for the photos? I need them tomorrow afternoon. — They be ready by 12:00.A. canB. shouldC. mightD. need7. — I stayed at a hotel while in New York.— Oh, did y ou? You with Barbara.A. could have stayedB. could stayC. would stayD. must have stayed8. — Are you coming to Jeff ' s party?m not sure. I go to the concert instead.A. mustB. wouldC. shouldD. might9. I was really anxious about you. You home without a word.A. mustn ' t leaveB. shouldn ' t have lefC. couldn ' t have leftD. needn ' t leave10. — Is John coming by train? — He should, but he not. He likes driving his car.A. mustB. canC. needD. mayII. A left-luggage office is a place where bags be left for a short time, especially at a railway station.A. shouldB. canC. mustD. will12. I wonder how he that to the teacher.A. dare to sayB. dare sayingC. not dare sayD. dared say13. When he was there, he go to that coffee shop at the corner after work every day.A. wouldB. shouldC. had betterD. might14. It has been announced that candidates remain in their seats until all the papers have been collected. A. canB. willC. mayD. shall15. How ou say that you really understand the whole story if you have covered only a part of the article? A. canB. mustC. needD. may 16. — I hear you' vgot a set of valuable Australian coin.I have a look? — Yes,certainly.A. DoB. MayC. ShallD. Should【巧学活用参考答案】 1. 1-5 A D A B B 2. 1-5 C D B C A 3. 1-3 C A A 4. 1-3 D B C 5. 1-4 C B C C 6. 1-3 B A B 7. 1-3C C C 8. 1-3 AD B情态动词练习参考答案 1. G — ought to / should have+过去分词II表示后悔当初该做但却没做某事。
情态动词测试题及答案
情态动词测试题及答案一、选择题1. You _______ be careful when you cross the street.A. canB. mustC. shouldD. may答案：B2. She _______ be at home now because she called me a moment ago.A. canB. mustC. mightD. could答案：B3. I _______ finish my homework before I go out to play.A. canB. mustC. wouldD. should答案：B4. You _______ wait for me at the bus stop; I'll be there infive minutes.A. needB. mustC. canD. may答案：C5. They _______ have finished their work by now.A. canB. mustC. shouldD. might答案：C二、填空题6. It’s cold outside. You _______ wear a coat.答案：should7. The doorbell rang, _______ it be the postman?答案：could8. _______ you tell me the way to the library?答案：Could9. I _______ go to the party, but I have to finish my report first.A. canB. mustC. wouldD. should答案：C10. _______ I borrow your pen for a moment?答案：May三、改错题11. He can go to the concert, but he must to stay at home.错误：to stay正确：must stay12. She might have finished her work, but I think she should be working now.错误：might have finished正确：may have finished13. You should to call your parents before you leave.错误：to call正确：should call14. I would like to go to the beach, but I can’t afford it.错误：would like正确：could15. They must have been at the meeting, but they were actually at the cinema.错误：must have been正确：could have been四、翻译题16. 他可能已经完成了他的作业。
初中英语情态动词训练题含答案
初中英语情态动词训练题含答案一、情态动词单项选择题1．—Must I study medicine and be a doctor like you, Dad?—No, you ______, son. You’re free to make your own decision.A．can’t B．mustn’t C．shouldn’t D．needn’t【答案】D【解析】【详解】句意：——爸爸，我必须学医成为像您一样的医生吗？——不，你不必，孩子。
你可以自己做决定。
考查一般疑问句。
must提问的一般疑问句，用Yes, sb must./No, sb needn’t/don’t have to.回答。
故选D。
2．You ________ be careful with the camera. It costs!A．can B．will C．should D．may【答案】C【解析】【分析】【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。
3．If you don’t feel well, you may just ________.A．stopped reading B．stop reading C．stopped to read D．stop to read【答案】D【解析】【详解】句意：如果你感觉不舒服，你可以停下来去读会书。
考查stop的用法，观察句子，情态动词后应该接动词原形，排除选项A/C。
stop to dosth“停下来去做某事”，stop doing sth“停止正在做的事情”，根据“If you don’t feel well”，可知感觉不舒服应该是停下正在做的去阅读，故选D。
4．—It’s said that nuclear power will be used to produce electricity in Xianning.—However, nuclear power _______ be very dangerous.A．can B．need C．must D．should【答案】A【解析】【详解】句意：——据说咸宁将用核能发电。
初中英语情态动词练习题及答案
初中英语情态动词练习题及答案第一篇：初中英语情态动词练习题及答案（）1 John___ come to see us tonight, but he A.can'tB.canC.mustn'tD.A.I willB.I won'tC.leanD.I isn't very sure yet.mustmay—___ I take the newspaper away? A.mayB.canC.has toD.Must 2 You ___ be late for school again next time.—No, you mustn't.You____read it only here.They ___ do well in the exam.A.mustn'tB.needn'tA.Must;canB.May;canA.can be able toB.be able toC.don't have toD.don't need to C.Need;mustD.Must;mustC.can able toD.are able to 3 —Must I do my homework at once? —No, 1 Excuse me.___ you please pass me that cup? —May I take this book out? —No, you___.you___.A.needn'tB.mustn'tC.can'tA.DoB.ShouldC.WouldD.Must A.can'tB.may notC.needn'tD.aren'tYou___ go and see a doctor at once because you're got a fever.A.canB.mustC.dareD.would—Can you speak Japanese? —No, I____.A.mustn'tB.can'tC.needn'tD.may not 1.– He___ be in the classroom, I think —No, he ___ be in the classroom.I saw him go home a minute ago.A.can;may not B.must;may notC.may;can'tD.may;mustn't —Shall I get one more cake for you, Dad? —Thanks, but you___, I've had enough.A.may not B.must notC.can'tD.needn't Even the top students in our class can't work out this problem, so itbe very difficult.A.mayB.mustC.canD.need 4 He isn't at school.I think he ___ be ill.A.canB.shallC.mustD.has to 5 ___ I take this one?A.MayB.WillC.AreD.Do 1 The children___ play football on the road.D.may not His arm is all right.He___ go and see the doctor.A.has not toB.don't have toC.haven't toD.doesn't have toHe had to give up the plan, ___ he?A.didB.didn'tC.doesD.doesn't They had to walk here, ___ they?A.mustn'tB.didC.didn'tD.hadn't He had better stay here, ___ he?A.doesn'tB.don'tC.hadn'tD.isn't 2 You'd better___late next time.A.not to be B.not beC.won't beD.don't beYou'd better ___ your hair ___ once a month.A.had;cutB.had;cuttedC.have;cutD.have;cutted 4 You___ ask that man over there.Maybe he knows the way.A.had better not toB.had not betterC.had betterD.had better not 1 —Shall we go and visit the History Museum next Sunday? —________ A.Here you areB.Sorry, I can'tC.Yes, pleaseD.Let me try —Why don't you ask Mike to go with us? —Thanks, ___.___ you like to have another try?A.CouldB.WillC.WouldD.Do 3 —Would you like to go boating with us? —Yes, ___.A.I'd likeB.I wantC.I'd like toD.I do 1 You___ worry about your son.He willget well soon.A.needn'tB.can'tC.mustn'tD.have toThe poor man needs our help, ___ he?A.needB.needn'tC.doesD.doesn't —Must we do our homework first? —No, you___.You may have a rest first.A.mustn't B.needn't C.may not D.can't 1.I told Sally how to get here, but perhaps I _______ for her.A.had to write it out B.must have written it out C.should have written it outD.ought to write it out 2.—There were already five people in the car but they managed to take me as well.—It _______ a comfortable journey.A.can’t beB.shouldn’t beC.mustn’t have beenD.couldn’t have been 3.It’s nearly seven o’clock.Jack _______ be here at any moment.A.must B.NeedC.shouldD.can 4.Johnny, you _______ play with the knife, you _______ hurt yourself.A.won’t;can’tB.mustn’t;mayC.shouldn’t;mustD.can’t;shouldn’t 5.The fire spread through the hotel veryquickly but everyone _______ get out.A.had toB.wouldC.couldD.was able to6.—When can I come for the photos? I need them tomorrow afternoon.—They _______ be ready by 12:00.A.canB.shouldC.mightD.need7.—I stayed at a hotel while in New York.—Oh, did you? You _______ with Barbara.A.could have stayedB.could stayC.would stayD.must have stayed8.—Are you coming to Jeff’s party?—I’m not sure.I _______ go to the concert instead.A.mustB.wouldC.shouldD.might9.I was really anxious about you.You _______ home without a word.A.mustn’t leaveB.shouldn’t have leftC.couldn’t have leftD.needn’t leave10.—Is John coming by train?—He should, but he _______ not.He likes driving his car.A.mustB.canC.needD.may11.A left-luggage office is a place where bags _____ be left fora short time, especially at a railway station.A.should B.canC.mustD.will12.I wonder how he _______ that to the teacher.A.dare to sayB.dare sayingC.not dare sayD.dared say13.When he was there, he ___ go to that coffee shop at the corner after work every day.A.would B.shouldC.had betterD.might14.It has been announced that candidates _____ remain in their seats until all the papers have been collected.A.canB.willC.mayD.shall15.How ______ou say that you really understand the whole story if you have covered only a part of the article?A.canB.mustC.needD.may 16.—I hear you’ve got a set of valuable Australian coin._______ I have a look?—Yes, certainly.A.DoB.MayC.ShallD.Should 【巧学活用参考答案】1.1-5 A D A B B2.1-5 C D B C A3.1-3 C A A4.1-3 D B C5.1-4 C B C C6.1-3 B A B7.1-3 C C C8.1-3 A D B 情态动词练习参考答案1.C。
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一、选择题1．-Could you help me with my English homework, Nancy?-Of course I____________. Glad to help.A．could B．can C．must D．do2．Look at the sign! It says “No Smoking!” You ________ smoke here. It’s dangerous. A．mustn’t B．ought not to C．needn’t D．don’t ha ve to 3．Since you are very tired, you ______ finish the work today.A．needn’t B．may not C．mustn’t D．can’t4．All passengers_____ go through safety check before they take a plane.A．may B．can C．must D．need5．You______ worry about your lessons. Be careful next time and you will get a good mark. A．don’t need to B．not need C．needn’t to D．don’t need 6．—________your house be cleaned right now？—No,it needn't.It may be cleaned this afternoon．（）A．Must B．May C．Can7．—Tom, we’re going shopping at eight, right?—Yea h, but I ______ be a little late, so don’t wait for me.A．may B．should C．mustn’t8．—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．—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 10．— I wonder if these are Jim's glasses.—They _____his. He doesn't wear glasses.A．might be B．could be C．can't be11．—Can you come to my party on Saturday afternoon?—Sorry, I can’t. I ________ meet my friends.A．can’t B．might have to C．needn’t12．I’m sorry, children over 1.4 meters________pay the full price for the show.A．may B．must C．can D．ought to 13．—Jack must be in his office, I think.—No, he be in the office. He flew to Canada this morning.A．needn't B．shouldn't C．can't D．mustn't 14．When I write down what I am showing thanks to, it’s always for things that money______buy.A．nee dn’t B．shouldn’t C．may not D．can’t15．—The food ________be delicious . You ate it up .—You bet . My mum cooked it for me .A．must B．may C．can D．need16．Will you please________them________the Birdwatching Society?A．inviting; join B．to invite; to join C．invite; to join D．to invite; join 17．（2017 • 湖北省宜昌市中考）—Life is becoming convenient with the Internet.—That’s true! Almost everything be done online.A．must B．would C．should D．can18．—________ 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’t19．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; might20．---You look very pretty, if I say so.---Thanks a lot for saying that.A．must B．may C．will D．have to21．— 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．You should________ the teacher________being late for school.A．apology to, about B．apologize to, forC．apologies to, for D．apologize to, on【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】【详解】句意：-南希，你能帮我做英语作业吗？-当然可以。
很乐意帮忙。
A. could能；B. can能； C. must必须；D. do做。
could如果是表示“可能、能够”用于一般过去时态时,回答可用could. 例如：Could he play the piano two years ago? 肯定回答Yes, he could.否定回答No, he couldn't. 如果表示“委婉、请求的语气”,回答用"can"例如：Could I use your computer? 肯定回答用Yes/Of course, you can.但不能用Yes, you could.否定回答用Sorry, you can't.不用Sorry, you couldn't 。
依据句意可知此题是表示委婉、请求的语气，故选B。
【点睛】could的用法：could如果是表示“可能、能够”用于一般过去时态时,回答可用could. 例如：Could he play the piano two years ago? 肯定回答：Yes, he could.否定回答：No, he couldn't. 如果表示“委婉、请求的语气时”,回答用"can".例如：Could I use your computer? 肯定回答可用：Yes, you can.但不能用Yes, you could.否定回答可用：Sorry, you can't.不用Sorry, you couldn't .2．A解析：A【解析】【分析】【详解】句意：看这个标志！上面写道“禁止吸烟！“你不能抽烟。
这是危险的。
mustn’t 禁止，不允许；ought not to不应该，不应当；needn’t不必；don’t have to不必。
根据“No Smoking!”可知此处禁止吸烟，所以选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．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。
5．A解析：A【解析】【详解】句意：你不必担心你的功课。
下次小心点，你会取得好成绩的。
考查动词need用法辨析。
need用作情态动词时常和不带to的不定式一起作谓语，否定式是将not置于其后，并有其否定的缩写形式needn't，在疑问和否定句中不加助动词；可知BCD三项表达错误。
用作行为动词时，need是一个普通的及物动词，用在肯定、否定和疑问句中均可，接不定式时要带to。
本句need用作及物动词，根据句意结构，故选A。
6．A解析：A【解析】【详解】句意：——你的房子必须现在打扫吗？——不，不必。
可以今天下午打扫。
考查情态动词辨析。
must 必须；may 可以；can 能。
根据下文回答needn't 不必，可知，上文的一般疑问句中用助动词must表示“必须”。
故选A。
【点睛】情态动词must表示“必须”，由must引起的疑问句中，肯定答语用must，否定答语用needn’t或don’t have to，表示“不必”。