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小学英语语法讲解-动词情态动词

语法知识—情态动词的知识点总复习附解析

一、选择题 1．It is 11:00 p.m now. Peter hasn't come back yet. His mother ______ be very mad at him. A．may B．can C．must D．need 2．—Have you heard about the temperature of the earth will rise to 59℃ in 2020?—Don’t worry! The news _______ be true. A．must not B．may not C．needn’t D．will not 3．-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 4．I’ve bought a nice necklace for Jo’s birthday. She _____like it, but I’m not sure. A．can B．may be C．might D．must 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．You look quite tired. You'd better ________ a good rest. A．stop to have B．stop having C．to stop to have D．to stop having 7．—Tom, we’re going shopping at eight, right? —Yeah, but I ______ be a little late, so don’t wait for me. A．may B．should C．mustn’t 8．You should________ the teacher________being late for school. A．apology to, about B．apologize to, for C．apologies to, for D．apologize to, on 9．—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’t 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 be 11．—The book report is very important. You ________ write it carefully. —But I ________ hand it in now. A．must; must B．have to; must C．must; have to D．have to; have to 12．Even the top student can't work out this problem, so it________ be too difficult. A．must B．may C．can D．need 13．—________ I borrow the books from the library, Miss Yang? —Sorry, you________. These books are only for members of the English Club. A．Can; couldn’t B．Could; can’t C．Could; could n’t D．Can; needn’t

情态动词大学英语语法精解

大学英语语法精解——情态动词首先让我们分析以下近几年情态动词的考题： 1) This box is too heavy, _________give me a hand?(1998.1) A .would you mind B. would you please C. will you like to D. will you please to 2) Research findings show we spend about two hours dreaming every night , no matter what we ____ during the day.(1999.1) A. should have done B. would have done C. may have done D. must have done 3)It was very kind of you to do the washing-up,but you____ it.(1998.6) A. mustn't have done B. wouldn't have done C. mightn't have done D. didn't have to do 4) If you don't like to swim, you ___ stay at home.(1995.1) A. should as well B. may as well C. can as well D. would as well 5) You ____ him so closely;you should have kept your distance.(2000.6) A. shouldn't follow B. mustn't follow C. couldn't have been following D. shouldn't have been following 6) You ___her in her office last Friday; she's been out of town for two weeks.(1996.1) A. needn't have seen B. must have seen C. might have seen D. can't have seen 7) The room is in a terrible mess; it ____ cleaned.(1996.6) A. can't have been B. shouldn't have been C. mustn't have been D. wouldn't have been 参考答案 1) B 2) C 3) D 4) B 5) D 6) C 7) A 2．情态动词的测试要点从以上例题可以看出，四级语法对情态动词的测试大体有以下几点。 1）情态动词的基本用法，如①④⑤。 2）情态动词+ 动词的完成形式的用法，如③⑥。 3）情态动词的推测性用法,如⑦。

(完整版)必修三unit2语法讲解情态动词用法

必修三unit2语法讲解情态动词用法（二）、ought to的用法 1. ought to应该”与should相比较ought to语气重,偏重责任、义务、道德、法律”等方面，意为应该” ①We ought to stop polluti ng n ature.我们应该停止污染大自然。 2. ought to表示较大的可能性。 ①Mary ought to be here soon.玛丽应该很快就来了。［点津］用ought to表示推断时，语气较肯定，通常指的是一种合乎逻辑的可能性（与should表推断时相似）,有时可译为很可能；准是”语气比must要弱）。 3. ought to的否定形式为ought not to或ought n't to,其一般疑问句形式是将ought置于主语前。 ①We ought not to start so late.我们不该这么晚动身。 4. 在反意疑问句中,常省掉to用ought n't或should n't。 ① He ought to take back what he has said, ought n' t/should n't he? 他应该收回他说的话，是吗？ 1 —1.写出下面句中黑体部分的意义 ① To keep fit, weought to lear n more about our body. _____ ① Youought not to do such a thing. _______ ① Itought to be a close game. _______ 1 —2.用ought完成句子 ①（尔不该责备他。You __________ （scold ）him. ①我明天该动身吗？一_______________ （_leave ［tomorrow? 是的，你应该。一Yes, you ought to ①我们现在应该走，是吗？We ought to go now, ______________ _? 二、have to, don't have to 与must n't 的用法 1. have to（口语中常用have got to）表示客观需要做的事情，意为必须；不得不”有时态、人称和数的变化，其否定式和疑问式应由助动词do构成。 ① My brother was very ill, so I had to call the doctor in the middle of the ni ght. 我弟弟病了，我不得不半夜里把医生请来。

初中英语语法知识—情态动词的全集汇编及答案(3)

一、选择题 1．— Must I go home? — No, you ________. A．can’t B．mustn’t C．don’t D．needn’t 2．-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．A: Is Jim coming by train? B: I’m not sure. He _______ drive his car. A．must B．may C．need D．should 4．From March 23rd, 2013, anyone under the age of 14 ________ go into Disneyland alone. A．couldn’t B．mustn’t C．needn’t D．mightn’t 5．—______ you please tell me something about the life in Canada or America?—Sorry, I______. I don’t know either. I’m from Australia. A．Could; couldn’t B．Can; couldn’t C．Could; can’t D．Can; mustn’t 6．—Jenny, we buy Mom presents. We can clean the house from top to bottom.—Good idea! It’s a special present for Mother’s Day. A．can’t B．mustn’t C．shouldn’t D．needn’t 7．— May I have some wine? — No, you . You have to drive home later. A．shouldn't B．needn't C．mustn't D．may not 8．—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 9．Since the road is muddy,it ________last night, ________? A．must be rained; wasn’t it B．must have rained; didn’t it C．must rained; didn’t it D．must have rained; wasn’t it 10．—Have you heard about the temperature of the earth will rise to 59℃ in 2020?—Don’t worry! The news _______ be true. A．must not B．may not C．needn’t D．will not 11．-_________ you help me with my homework? -Of course if I __________. A．Could; could B．Can't; can C．Could; can D．Can; could 12．—Must we finish the work right now? —No, you ________. You can do it tomorrow. A．needn’t B．shouldn’t C．mustn’t D．can’t 13．— Will Jim come to Yangzhou for a holiday? — He ________come, it depends on how much homework he will have.

小学英语情态动词完整版

小学英语情态动词 HEN system office room 【HEN16H-HENS2AHENS8Q8-HENH1688】

小学英语教案——情态动词情态动词本身有各种意义，但不能单独作谓语，只能和主要动词一起构成谓语，表示说话人的语气和情态，这样的动词称为情态动词。情态动词没有人称和数的变化。常用的情态动词有can, could, may, might, will, would, should, must, need, dare等。一、can, could的用法 1. can的用法（1）表示能力、许可、可能性。如：Can you speak English 你会讲英语吗？ Can you play the piano 你会弹钢琴吗？ She can swim fast, but I can’t. 她能游得快，但我不能。 I can see with my eyes. 我用眼睛看。（2）表示请求或者许可。如：Can I help you 我能帮助你吗？You can’t play baske tball. 你不能玩篮球。 Can you...“请你……好吗？”表示说话人的请求；Can I...“我可以……吗？”用来征求对方是否允许自己做某事。如在句末加上 please一词就显得更有礼貌了。例如： Can you help me, please 请你帮助我好吗？ You can use my dictionary. 你可以用我的字典。（3）表示推测，意为“可能”，常用与否定句和疑问句中，此时can’t译为“不可能”。如：Can the news be true 这个消息会是真的吗？ The moon can’t always be full. 月亮不可能常圆。 2. could的用法

高中英语语法总结大全之情态动词

高中英语语法总结大全之情态动词情态动词的语法特征 1）情态动词不能表示正在发生或已经发生的事情，只表示期待或估计某事的发生。 2）情态动词除ought 和have 外，后面只能接不带to 的不定式。 3）情态动词没有人称，数的变化，即情态动词第三人称单数不加-s。 4）情态动词没有非谓语形式，即没有不定式，分词，等形式。比较can 和be able to 1）can，could 表示能力；可能(过去时用could), 只用于现在式和过去式(could)。be able to可以用于各种时态。 They will be able to tell you the news soon. 他很快就能告诉你消息了。 2）只用be able to a. 位于助动词后。 b. 情态动词后。 c. 表示过去某时刻动作时。 d. 用于句首表示条件。 e. 表示成功地做了某事时，只能用was/were able to，不能用could。 He was able to flee Europe before the war broke out. = He managed to flee Europe before the war broke out. 注意：could不表示时态 1）提出委婉的请求，（注意在回答中不可用could）。 --- Could I have the television on? --- Y es, you can. / No, you can't. 2）在否定，疑问句中表示推测或怀疑。 He couldn't be a bad man. 他不大可能是坏人。比较may和might 1）表示允许或请求；表示没有把握的推测；may 放在句首，表示祝愿。 May God bless you!

小学英语情态动词知识点及练习

情态动词【知识要点】: 情态动词（Modal verbs）本身有一定的词义，表示语气的单词。但是不能独立作谓语，只能和动词原形一起构成谓语。情态动词用在行为动词前，表示说话人对这一动作或状态的看法或主观设想。情态动词虽然数量不多，但用途广泛，主要有下列： can (could), may (might), must, need, ought to, dare (dared), shall (should), will (would) must not. 情态动词无人称和数的变化，情态动词后面跟的动词须用原形，否定式构成是在情态动词后面加 "not"。疑问形式是将情态动词提至主语前。个别情态动词有现在式和过去式两种形式，过去式用来表达更加客气，委婉的语气，时态性不强，可用于过去，现在或将来。情态动词属非及物动词，故没有被动语态。

【典型例题】: 【专题一】:can和could的用法【例1】Can you lift this heavy box?(体力) 【解析】表示能力(体力、知识、技能) 【练习】 1.Mary speak three languages.(知识) 2. you skate?(技能) 此时可用be able to代替。Can只有一般现在时和一般过去式;而be able to 则有更多的时态。 I’ll not be able to come this afternoon. 当表示“经过努力才得以做成功某事”时应用be able to,不能用Can。【例2】 -----Can I go now? ----- Yes, you can. / No, you can’t. 【解析】表示请求和允许。此时可与may互换。在疑问句中还可用could,might 代替,不是过去式,只是语气更委婉,不能用于肯定句和答语中。【练习】 ---- I come to see you tomorrow? ---- Yes, you . ----No, you /I’m afraid not. 【例3】Can this be true? 【解析】表示推测(惊讶、怀疑、不相信的态度),用于疑问句、否定句和感叹句中。【练习】 This be done by him. How this be true? 【专题二】may和might的用法：【例1】----M ight/ May I smoke in this room? ---- No, you mus tn’t. 【解析】表示请求和允许。might比may语气更委婉,而不是过去式。否定回答时可用can’t或mustn’t,表示“不可以,禁止”。用May I...?征徇对方许可时比较正式和客气,而用Can I...?在口语中更常见。【练习】 ---- I take this book out of the room? ---- Yes, you . No, you 【例2】May you succeed! 【解析】用于祈使句,表示祝愿。

情态动词语法讲解

Modal Verbs 情态动词有can (could), may (might), must (must), have to, shall (should), will (would), need (need), dare (dared), ought to 等。情态动词无人称和数的变化。它不能单独使用，必须跟其后的动词原形构成谓语。情态动词的具体用法如下：一、can, could 1、表示能力。 a. Can you speak English? b. Can you finish this work tonight? c. Man cannot live without air. Note:

(1) can表示能力时，可用be able to 代替。 a. I’ll not be able to come this afternoon. (2) 当我们要表示“某件事情已经成功”时，应用was/ were able to , 不能用could a. He saw well and he was able to swim to the river when the flood happened. b. He was able to go to the party yesterday evening and he enjoyed himself very much. 2、表示客观可能性

a. People who live near airports can have their hearing harmed. b. The boy can sometimes be very naughty. （表示某人或某物一时的情况，“有时会。。。”） c. The invention can be improve d. d. Even experts can make mistakes. e. He can’t be in Beijing now because I saw him a moment ago. f. He had a lot of work to do last night, so he couldn’t have gone to see a film. Note: 在肯定句中用can表示可能性时，其含义是理论上的可能性，不表示

英语语法总结：情态动词的使用

英语语法总结：情态动词的使用情态动词的使用 1）情态动词can（能够），must（必须），may（可以）结构：主语+can/must/may+动词原型 He can make the tea. Sally can air the room. We can speak English. ★变疑问句将情态动词移到句首 Can he make the tea? Can Sally air the room? Can we speak English? ★变否定句在情态动词后面加not

He cannot make the tea. Sally cannot air the room. We cannot speak English. ★肯定回答及否定回答 Yes, he can. / No, he cannot. Yes, she can. /?No, she cannot. Yes, we can. / No, we cannot. ★特殊疑问句：（必背） What can you do? 注意：情态动词的句子没有第三人称单数的变化，不要在情态动词或动词后面加s。

2）must/have to的区别 must 表示必须，是主观上觉得应该做，have to是不得不，是由于客观条件逼迫的必要要做 must 只能用在表示现在和将来的句子里，而have to do可以用在任何时态 3）must, may, might表示猜测： ·must do 表示对现在事实的猜测 ·must have done表示对过去事实的猜测 ·must have been doing 表示对过去正在进行的事实的猜测 ·may/might do, may/might have done表示没有任何事实依据的猜测，might的可能性更小。 4）can't/couldn't 表示不可能

小学情态动词总复习

小学情态动词总复习 -CAL-FENGHAI-(2020YEAR-YICAI)_JINGBIAN

情态动词一、情态动词的定义：情态动词有词义，但它不能单独作谓语，它必须和其他动词一起构成谓语。情态动词没有人称和数的变化；它的后面必须跟动词原形。三．用法特点 ⑴它们必须与其他动词连用，即：肯定：情态动词＋动词原形：He can swim. 否定：情态动词+not+动词原形：He can not(can’t)swim. 一般疑问句：把情态动词提前：Can he swim?Yes,he can./No,he can’t. 表示说话人对所述动作的看法，如需要、可能、意愿或怀疑等。 ⑵情态动词没有人称和数的变化，即第三人称单数不加-s，有些情态动词有时态的变化 ⑶在意义上，情态动词具有“多义性”。例：can既可表示能力，又可表示可能、允许等意义。四、情态动词的用法及主要句型： 1、Can I help you —— Yes, please. / No, thanks. 2、Can + 主语 + 动词原形 Yes, ～ can. No, ～can’t. 3、Can I borrow（借用） your book-

---Yes,of course. 4、Can I write on the book ------No, you can’t\mustn’t. 5、Could \Can you help me- --- Yes,of course.\Certainly.\ Sure. 6、Could \Can you tell me the way to the zoo? 7、May I come in ----- Come in, please. 8、May I sit here----- Yes, please.\Sorry, please don’t. 9、May I have some Coke---- Yes, of course. 10、May/ Could / Can I speak to Tom -----Speaking. Who’s calling 11、should 、shouldn’t 表示劝告： 1) He should get up early. 2) She shouldn’t play computer game too much. 12、Should +主语 +动词原形 Yes, ～ should.\ No, ～shouldn’t. 13、表示建议“你愿意…吗” Would you like to go shopping with me -----Yes, I’d love to. /I’d love to. But I’m busy now. 14、就餐用语Would you like something to eat\drink ----Yes, I’d like… 15、shall用于第一人称(I, we), 可以表示“将”和表示建议“……好吗” 1) Where shall we have dinner? 2) Shall we go fishing -----All right. \OK. \Good idea. 16、Must + 主语 + 动词原形 ---Yes,～ must.\No, ～needn’t. 情态动词练习一．按照要求改写句子 1. I can run fast.

英语情态动词的用法大全附解析

英语情态动词的用法大全附解析一、初中英语情态动词 1．—We've got everything ready for the picnic. —Do you mean I __________ bring anything with me? A. can't B. mustn't C. couldn't D. needn't 【答案】 D 【解析】【分析】句意：—我们已经为野餐准备好了一切。—你的意思是我不必带任何东西吗？A. can't 不能；B. mustn't 表示禁止，一定不要；C. couldn't不能，表示过去时态；D. needn't不必。结合句意，故选D。【点评】本题考查情态动词的用法。 2．—How amazing this robot is! —Wow, it has video cameras in its eyes, so it “see” and interact with pe ople. A. may B. can C. must D. should 【答案】 B 【解析】【分析】句意：—这个机器人多么惊人啊！—哇，在它的眼睛里有摄像机，因此它能看见和人打交道。A. may 可以，可能；表示许可，B. can 能；表示能力，C. must 必须；D. should应该；根据it has video cameras in its eyes,可知是有能力看见，故选B。【点评】考查情态动词辨析。熟记情态动词的含义和用法。 3．—Where is George? —He _______ be here just now. His coffee is still warm. A. need B. can't C. must D. shouldn't 【答案】 C 【解析】【分析】句意：——乔治在哪里？——他刚才一定在这里，他的咖啡还是热的。A. need需要； B. can't 不能，不可能（表示推测）； C. must 必须，一定（表示推测）； D. shouldn't不应该；根据His coffee is still warm.可知表示肯定推测一定在这儿；故答案为C。【点评】考查情态动词。掌握情态动词表推测时的意义和用法。 4．— Sorry, I forgot to take money with me. Maybe I can't buy the book you like. — Mum, you ______ worry about it. We can pay by Alipay （支付宝）. A. can't B. needn't C. mustn't D. shouldn't 【答案】 B 【解析】【分析】句意：——对不起，我忘记带钱了。也许我不能买你喜欢的书。——妈妈，你不用担心。我们可以用支付宝支付。A. can't不能，指不允许或否定推测；B. needn't 不需，指没必要；C. mustn't不能，表禁止；D. shouldn't不应该，表建议。根据句意语境，本句是说妈妈不需要担心，故答案为B。【点评】考查情态动词。理解句意并掌握情态动词的意义和用法区别。

初中英语语法情态动词用法大全

情态动词有can (could), may (might), must, have to, shall (should, will (would), dare (dared), need (needed), ought to等。情态动词无人称和数的变化；不能单独使用，必须与其后的动词原形构成谓语。情态动词句和疑问句中表示请求，允许，意为“能够” could 是can 的过去式，意为“能、会”，表示过去的水平在疑问句中表示委婉请求 may 表示请求、许可，意为“能够”表示推测，常用于肯定句中，意为“可能、也许” might 是may的过去式,表推测，常用于肯定句中，意为“可能、也许”must 表示主观看法，意为“必须、应该”表有把握的推测，用语肯定句dare 表示敢于，主要用于否定句和疑问句中 should 意为“应该”，表示要求和命令表示劝告、建议 had better 意为“最好”，表示建议 used to意为“过去常常，表示过去的动作、行为考点一情态动词知识清单情态动词有具体的词义，但也同助动词一样，需要与其他词语一起构成句子的谓语，另外情态动词没哟人称和数的变化，情态动词后必须跟动词原形。 1. can 的用法（1）表示水平、许可、可能性。表示水平时一般译为“能、会”，即有种水平，尤其是生来具备的水平，此时may 和must 均不可代替它。（2）表示可能、能够。如：I can finish it in an hour. （3）表示许可，常在口语中。如：You can use my dictionary. （4）表示推测，意为“可能”，常用于否定句和疑问句中，此时can’t 译为“不可能”。 2.could的用法（1）can的过去式，意为“能、会”，表示过去的水平。（2）could 在疑问句中，表示委婉的语气，此时没有过去式的意思。 3.may的用法（1）表示请求、许可，比can 正式，（2）表示推测，谈论可能性，意为“可能，或许”，一般用于肯定句中。（3）may的过去式为might ，表示推测时。可能性低于may 。 4. must的用法（1）must 表示主观看法，意为“必须、一定”。（2）其否定形式mustn’t表示“一定不要”“千万别”“禁止, 不许”.（3）对must引导的疑问句，肯定回答为must，否定回答为needn’t或don’t have to . （4）must 表示有把握的推测，用于肯定句。当must 表示肯定的判断、推测时，其反意疑问句要用实际问句的助动词来构成。 She must have finished writing, hasn’t she? 5. need的用法（1）need 表示需要、必须，主要用于否定句和疑问句中，其否定形式为needn’t，意为“没有必要，不必”。用need 提问时，肯定回答为must，否定回答为needn’t。如：----Need I stay here any longer? ----Yes, you must .-----No. you needn’t . (2) need 还能够作实义动词，此时有人称、数和时态的变化，后边多接动词不定式。 6. dare 的用法dare意为“敢、敢于”,用法近似于need，有两种词性：（1）dare 作为情态动词，多用于否定句、疑问句或条件句中，无第三人称单数形式，只有一般现在时和一般过去时。（2）dare 作为实义动词，此时有人称、数即时态的变化。注意：在口语中，dare 的各种形式常与不带to 的不定式连用。Do you dare tell her what I said? 7. shall 的用法（1）shall 表示征求对方意见（多用于第一、三人称）， Shall we go out for a walk? （2）表示决心、警告、命令（多用于第二、三人称）， No one shall bring your beepers or mobile phones in the exam. 8. should的用法（1） should 意为“应该”，可表示劝告、建议、义务、责任等。We should protect the environment. （2） should (would)like to do sth. 表示“想要、愿意做某事”，常用于口语中。Would you like to go with me? 你想和我一起去吗？（3）Should have done 表示对过去动作的责备、批评。 You should have finished your homework. 9. will 的用法 will表示意愿、意志、打算，可用于多种人称。 I will help you if I’m free this afternoon. 10. had better 的用法 had better 意为“最好”，没有人称的变化，后面接不带to 的不定式，其否定形式为：had better not。 We had better go now. You had better not give the book to him. 考点二含有情态动词的疑问句 1. 由can、may、must构成的疑问句（1）句式：Can/ May/ Must…+ 主语+动词原形+….？如：Can you repair the car? Could he be a good student? May I borrow your ruler?Must we clean the room now? （2）对may 引出的问句，能够有下列回答方式：Yes, of course. Yes, certainly.Sure.No, you mustn’t.No, you can’t. （3）对must引出的疑问句，回答为：Yes, …must.No,…needn’t/don’t have to. 2. will，would，shall 的用法（1）will 在一般疑问句中表示客气的“请求、劝说”。would 是will 的过去式，语气更加客气、委婉。Would you show me your picture book? Will you please give me a call? （2）对will/ would you…的回答方式有以下几种：Yes, I will. (No, I won’t.)Sure . (I’m sorry , I can’t.)All right.Certainly. (No, thank you .) Yes, please. （3）shall引出的疑问句用于第一人称，表示征求对方意见或客气的请求。其回答方式有以下几种：Yes, please.All right. No, thank you. 考点三不同情态动词的否定意义也不同 1. （1）can’t可译为“不会”，如：I can’t play basketball. 我不会打篮球。（2）当句子表推测时，用can’t表达不可能，He can’t be ill. He is playing chess with Tom.（3）can’t还可用来回答“ May I …?”这样的问句。May I come in ?No, you mustn’t. / can’t.（4）can’t还可用于固定习语中。She can’t help crying. 2.may 的否定式为may not ，译成“可能不”，He may not be at home. 3.（1）mustn’t表示不许，不可。He mustn’t leave his room.

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