(完整版)初中情态动词用法总结
专项：情态动词
一考点：情态动词的用法和辨析，情态动词表示推测和可能，由情态动词引导的一般疑问句的回答。
二类型：1 只是情态动词：can, could, may, might, must
2 可做情态动词，可做实义动词：need, dare
3 可做情态动词，可做助动词：will, would, shall, should
4 特殊：have to, ought to, used to
三特征：1 有一定的词义，但不能单独作谓语，必须与行为动词和系动词连用构成谓语。
2 无人称和数的变化。（have to 除外）
Eg: He has to stay here.
3 后接动词原形。
4 具有助动词作用，可构成否定，疑问或简短回答。
四用法：
1. can ①表示能力，“能，会”。Eg : Can you play basketball?
②表示怀疑，猜测，常用于否定句或疑问句。
Eg :Li hua can’t be in the classroom.
③表示请求，允许，多用于口语，译“可以”= may.
Eg: you can go now.
④can 开头的疑问句，肯定句，否定句用can或can’t.
2.could①can 的过去式，表示过去的能力。
Eg :I could swim when I was seven years old.
②could 开头的疑问句，肯定和否定回答用could, couldn’t如果could
表示现在的委婉，用can 回答。
Eg: Could I have a drink? Yes, you can.
3.may①表示推测，“可能，也许”，用于肯定句。
Eg: He may come tomorrow.
②表示请求，“许可,可以”。Eg: May I borrow your book?
注：表示请求，许可时，主语为第一人称的一般疑问句，否定回
答用mustn’t“不可以，禁止，不许”,不用may not“可能不”。
③表示祝愿。Eg :May you success.
4.might①表示“可以”，用于过去时中。
Eg: He told me I might smoke in the room.
②用于现在时，表示说话更委婉，礼貌。
Eg:He might be doing his lessons now.
5.must①表示“必须，应该”。
②表示推测，常用在肯定句中，表“一定”。
Eg:There is someone knocking at the door.It must be Jim.
③否定句中，mustn’t 表示禁止，“不允许”。
④以must 开头的疑问句，肯定句回答用must,否定回答用needn’t , 表示
“不需要，不必”=“don’t have to”.
⑤表示“偏偏”。Eg: Must you play the piano at this time.
6.need①情态动词：+do,用need 提问或回答，肯定句回答用must ,否定句回答
用needn’t. Eg: You needn’t come to school so early.
②实义动词：+to do ,用助动词提问和否定。
③+doing 表示被动。
④needn’t have done 表示没必要做某事但是做了。
Eg: I actually needn’t have bought so much wine.
7.dare①情态动词，多用于疑问句，否定句，条件句中。
Eg: I’m afraid you dare not to do such a thing.
注：I dare say 习惯说成“也许，我想”。
Eg: It will rain this afternoon, I dare say.
②实义动词：dare to do ,用于肯定句中，当用于否定句或疑问句时，to 可
以省略。Eg: This student doesn’t dare to raise any question in class. 8.shall①用于第一人称表示征求意见，询问。
Eg: Shall I open the window?
Shall we have lunch here?
②表示说话人的态度，“命令，警告，允诺，威胁”。
Eg: You shall finish your homework first.
③用于第三人称，在条约，规定，法令等文件中表示义务或规定，“应
该，必须”。（不常用）
9.should①表示义务，责任“应该”。Eg:We should obey traffic laws.
②作为shall 过去式，用于第一三人称，表示征求意见。Eg:Mr lee
asked if he should get his visa.
③表示“竟然”。
Eg: It’s unthinkable that the boy should sing such a beautiful song.
④表示说话人的特殊情感，如惊奇，愤怒，失望等。
Eg: How should I know?
⑤表示劝告，建议，“应该”。
Eg: You should listen to your teacher.
10.will①用于第二人称表示询问，请求，也可以表达现在的“意愿”。Eg: Will you
pass me the book?
②表示意愿，决定，允诺，用于各种人称。
Eg: I will try my best to help you.
③表示规律性的“注定会”。
Eg: People will die without air or water.
11.would①表示过去的意愿或委婉询问。
Eg: Would you tell me the way to the station?
12.have to①“必须，不得不”，强调客观需要，含有时态的变化。
Eg: I’ll have to ask Jim instead.
②区别：must 表示“必须，应该“，主观看法。
13.ought to ①表示职责，义务或要求，及人们应该去做的正确的事或好事。Eg:
Humans ought to stop polluting nature.
②比should 语气强，ought to 反映客观情况，should表示主观看
法。
③ought to have done 本应该做而没有做。
Eg: You are late. You ought to have arrived five minutes earlier. https://www.360docs.net/doc/6e17749296.html,ed to①表示“过去常常，过去是“，没有人称和数的变化，可以和过去的
时间状语连用。否定形式：usedn’t to 或didn’t use to ,疑问词将
use提前或Did…use to …?
Eg: He didn’t use to be so careless.
②区别would :带有主观性，并且现在做不做不知道。Used to :客观
性，和现在进行对比，过去常常，现在就不怎么做了。
Eg: He would phone me on Sunday.
Eg: I used to be very fond of music when I was young.
③区别：be used to doing （情态动词）习惯于…
Used to do （情态动词）过去是，过去常常…
Be used to do (过去式) 被用来做…
Eg: I am already used to noisy city life here.
My parents used to live in South America.
This machine is used to cut up waste paper.
15.其他：⑴had better do 最好做某事Eg: You had better stay at home.
否定：had better not do
⑵be able to与can 表示能力时用法相同，但前者有时态的变化，有
能力成功做某事。
Eg: We will be able to come back next week.
专题练习：
1( ) 1 John___ come to see us tonight, but he isn't very sure yet.
A. may
B. can
C. has to
D. must
( ) 2 They ___ do well in the exam.
A. can be able to
B. be able to
C. can able to
D. are able to
( ) 3 -May I take this book out?
-No, you___. A. can't B. may not C. needn't D. aren’t
( ) 4 You___ go and see a doctor at once because you're got a fever.
A. can
B. must
C. dare
D. would
( ) 5 -Can you speak Japanese?
-No, I____. A. mustn't B. can't C. needn't D. may not
2( ) 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 not
C. may; can't
D. may; mustn’t
( ) 2 -Shall I get one more cake for you, Dad?
-Thanks, but you___, I've had enough. A. may not B. must not C. can't D. needn’t ( ) 3 Even the top students in our class can't work out this problem, so it be very difficult. A. may B. must C. can D. need
( ) 4 He isn't at school. I think he ___ be ill. A. can B. shall C. must D. has to ( ) 5 ___ I take this one? A. May B. Will C. Are D. Do
3( ) 1 The children___ play football on the road. A. can't B. can C. mustn't D. must ( ) 2 You ___ be late for school again next time.
A. mustn't
B. needn't
C. don't have to
D. don't need to
( ) 3 -Must I do my homework at once?
-No, you___. A. needn't B. mustn't C. can't D. may not
4( ) 1 His arm is all right. He___ go and see the doctor.
A. has not to
B. don't have to
C. haven't to
D. doesn't have to
( ) 2 He had to give up the plan, ___ he? A. did B. didn't C. does D. doesn't
( ) 3 They had to walk here, ___ they? A. mustn't B. did C. didn't D. hadn't
5( ) 1 He had better stay here, ___ he? A. didn't B. don't C. hadn't D. isn't
( ) 2 You'd better___late next time. A. not to be B. not be C. won't be D. don't be ( ) 3 You'd better ___ your hair ___ once a month.
A. had; cut
B. had; cutted
C. have; cut
D. have; cutted
( ) 4 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 not
6( ) 1 -Shall we go and visit the History Museum next Sunday?
A. Here you are
B. Sorry, I can't
C. Yes, please
D. Let me try
( ) 2 -Why don't you ask Mike to go with us?
-Thanks, ___. A. I will B. I won't C. lean D. I may
( ) 3 -___ I take the newspaper away?
-No, you mustn't. You____read it only here.
A. Must; can
B. May; can
C. Need; must
D. Must; must
7( ) 1 Excuse me. ___ you please pass me that cup?
A. Do
B. Should
C. Would
D. Must
( ) 2 ___ you like to have another try?
A. Could
B. Will
C. Would
D. Do
( ) 3 -Would you like to go boating with us?
-Yes, ___.A. I'd like B. I want C. I'd like to D. I do
8( ) 1 You___ worry about 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. need
B. needn't
C. does
D. doesn't
( ) 3 -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
初中 情态动词讲解分析(全)
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初中英语情态动词详细用法归纳(含练习及答案)
初中英语情态动词详细用法归纳（含练习及答案） 1. can 的用法： （1）.表示能力、许可、可能性。表示能力时一般译为“能、会”，即有种能力，尤其是生来具备的能力.如：She can swim fast, but I can’t . 她能游得很快，但我不能。 I can see with my eyes. 我用眼睛看。could是can的过去式。表示过去的能力。 be able to do sth. 常常指经过努力，花费了时间和劳力之后才能做到某事。is/am/are able to do sth was/were able to do sth. （2）.表示许可，常在口语中。如：You can use my dictionary. 你可以用我的字典。 （3）.表示推测，可能性，意为“可能”，常用于否定句和疑问句中，此时can’t 译为“ 不可能”。如：Can the news be true? 这个消息会是真的吗？—Can it be our teacher?那个人有可能是我们老师吗？—No, it can’t be our teacher. He is on a visit to the Great Wall.不可能。咱们老师正在游览长城呢。 【例题】—I think Miss Gao must be in the library. She said she would go there. —No. She __be there, I have just been there. A.can’t B.mustn’t C.needn’t D.wouldn’t 【解析】根据下文“我刚去过那儿”可知，应为“ 不可能”，can’t 表示推测[答案] A could的用法： （1）.can的过去式，意为“ 能、会”，表示过去的能力。如：He could write poems when he was 10. 他十岁时就会写诗。 （2）. could在疑问句中，表示委婉的语气，此时could 没有过去式的意思。如:Could you give me a hand? 你能帮我个忙吗？—Could I use your pen? 我能用一下你的钢笔吗? —Yes, you can.可以。（用could问，不能用could答。） 2. may的用法： （1）.表示请求、许可，比can 正式，如：May I borrow your bike? 我可以借你的自行车吗？You may go home now. 现在你可以回家了。 【例题】—_______ I borrow your MP3? —Sure . Here you are. A. May B.Should C.Must D. Would 【解析】在此处表示请求，意为“ 做……可以吗”。答案：A (2) .表示推测，谈论可能性，意为“ 可能，或许”，一般用于肯定句中。如：It may rain tomorrow . 明天可能会下雨。She may be at home. 她可能在家呢. may not 翻译为“可能不” (3) .may的过去式为might ，表示推测时。可能性低于may。如：He is away from school. He might be sick. 他离开学校了，可能是他生病了。 (4) . 表示希望、祈求、祝愿，常可译为“祝愿”。通常是用may +主+V 例如：May you have a good time. 祝你过得愉快。May you be happy! 祝你幸福！May you succeed！祝你成功！ 3. must的用法： (1).must 表示主观看法，意为“必须、一定”。如：You must stay here until I come back.在我回来之前你必须呆在这儿。Must I finish my homework right now? 我必须现在交作业吗？(must引导的疑问句) 肯定回答：yes ,you must. 否定回答：No, you needn’t/ don’t have to (2) 其否定形式mustn’t表示“ 一定不要” “千万别” “禁止, 不许”. 如：You mustn’t play with fire. 你不许玩火。You mustn’t be late. 你一定不要迟到。 (3)must表示有把握的推测，用于肯定句,指百分百肯定。如: The light is on, so he must be at home now.灯亮着，他现在肯定在家。 （4）①must 和have to 都有”必须”的含义，但侧重点不同： must强调说话者主观(自己）的看法。 have to强调客观（外力作用）的需要，也可以翻译为“不得不”。
英语情态动词用法总结(完整)
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初中英语情态动词讲解练习和答案解析
情态动词 一、考点、热点回顾 【词汇辨析】 1.sometimes/ some times/sometime/ some time: sometimes: “有时”=at times. He is sometimes late for school. some times: “几次” I have been to Nanjing some times. sometime: “某一时刻” I bought it sometime last spring. We’ll meet again sometime next week. some time: “一段时间” We have to stay here for some time. 2. many/ much/ a few/ a little/ few/ little (1)many修饰可数名词，much修饰不可数名词；都表示许多。例如： 许多书许多牛奶 (2)a few和a little都表示"有一点儿"，侧重于肯定，相当于"some"，但 a few修饰可数名词， a little修饰不可数名词，例如： He has a few friends in London. ---Would you like some coffee? ---Yes, just a little. (3)few和little表示"几乎没有"，侧重否定。few后接可数名词，little后接不可数名词。例 如： He is a strange man. He has few words. Hurry up, there is little time left. 【固定搭配】加-ing be busy doing sth.忙于做…… eg: Mother is busy cooking. look forward to + doing sth. 期待做…… eg: Tom l ooks forward to seeing his father again. Thank you for (doing) sth. 为了…感谢你 eg: Thank you for your help. have fun doing sth愉快地做某事 eg: I had great fun playing in the water. =have a good time doing sth eg: I had a good time playing in the water. have problem/trouble/difficulty (in)doing sth.做某事有困难 eg: I have difficulty finishing my homework in 2 hours. 【情态动词】又叫情态助动词。它们具有以下特点： ⑴ 它们必须与其他动词连用，即：情态动词＋动词原形 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绝大多数情态动词没有人称和数的变化，即第三人称单数不加-s （以be和have 开头的情态动词短语除外）。 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。 【情态动词的基本用法】
最新英语语法情态动词归纳总结
最新英语语法情态动词归纳总结 一、单项选择情态动词 1．Mr. Smith is almost on time for everything. How ________ it be that he was late for the meeting? A．can B．should C．may D．must 【答案】A 【解析】 【详解】 考查情态动词辨析。句意：史密斯先生几乎任何事情都是准时的。他怎么可能开会迟到了？ A. can可能，可能性，表示可能性时，常用于否定句和疑问句中，且有时还带有“惊奇、不相信” 等感情色彩。B. should 应该； C. may也许，表示可能性时常用于肯定句中，不用于疑问句中。D.must常用于肯定句中表推测，“一定……”的意思；本题是强调句型的一个变式：强调其特殊疑问句how的形式。根据前句“斯密斯先生几乎是很准时”可推测出“怎么可能开会迟到呢？”。根据句意可知，用于疑问句中的“可能性”且有不相信的色彩，四个选项只有“can”符合题意。故选A 【点睛】 情态动词就是表示说话者对事情的一种看法，也就是一种语气。情态动词的用法一直是命题者常设置的考点和重点，平时要加强记忆。 2．--- Oh, my God! I just missed the last bus back home. --- That’s really bad. I’m sure you ______ it, but you just didn’t hurry up. A．had caught B．could have caught C．could catch D．can catch 【答案】B 【解析】 【详解】 考查情态动词+have done结构。句意：——哦,我的上帝!我刚好错过了回家的末班车。——这是非常糟糕的。我肯定你能赶上，但你就是不抓紧。could have done“本来能做而没有做”。故选B。 3．-- Did Jim come? -- I don’t know. He _______ while I was out. A．might have come B．might come C．must have come D．should have come 【答案】A 【解析】 【详解】 考查情态动词推测用法。句意：Jim来了吗？--我不知道，在我不在的时候，可能来过。根据前文I don’t kn ow.可知，说话者不知道Jim来没来，因此后文推测来过，但是语气很不确定，故可知选A。对过去情况的推测为情态动词+have done，must have done 一定做了某
初中英语情态动词详细用法归纳(含练习及答案)(直接打印版)
初中英语情态动词详细用法归纳（含练习及答案）（直接打印版） 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，另外情态动词没有人称和数的变化，情态动词后必须跟动词原形。 1. can 的用法： （1）.表示能力、许可、可能性。表示能力时一般译为―能、会‖，即有种能力，尤其是生来具备的能力，此时may 和must 均不可代替它。如：She can swim fast, but I can’t . 她能游得很快，但我不能。I can see with my eyes. 我用眼睛看。 （2）.表示许可，常在口语中。如：You can use my dictionary. 你可以用我的字典。 （3）.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‖。如：Can the news be true? 这个消息会是真的吗？—Can it be our teacher?那个人有可能是我们老师吗？—No, it can’t be our teacher. He is on a visit to the Great Wall.不可能。咱们老师正在游览长城呢。 【例题】—I think Miss Gao must be in the library. She said she would go there. —No. She __be there, I have just been there. A.can’t B.mustn’t C.needn’t D.wouldn’t 【解析】根据下文―我刚去过那儿‖可知，应为― 不可能‖，can’t 表示推测[答案] A 2. could的用法： （1）.can的过去式，意为― 能、会‖，表示过去的能力。如：He could write poems when he was 10. 他十岁时就会写诗。 （2）. could在疑问句中，表示委婉的语气，此时could 没有过去式的意思。如:Could you do me a favour? 你能帮我个忙吗？—Could I use your pen? 我能用一下你的钢笔吗? —Yes, you can.可以。（注意回答） 3. may的用法： （1）.表示请求、许可，比can 正式，如：May I borrow your bike? 我可以借你的自行车吗？You may go home now. 现在你可以回家了。 【例题】—_______ I borrow your MP3? —Sure . Here you are. A. May B.Should C.Must D. Would 【解析】在此处表示请求，意为― 做……可以吗‖。答案：A (2) .表示推测，谈论可能性，意为― 可能，或许‖，一般用于肯定句中。如：It may rain tomorrow . 明天可能会下雨。She may be at home. 她可能在家呢. (3) .may的过去式为might ，表示推测时。可能性低于may。如：He is away from school. He might be sick. 他离开学校了，可能是他生病了。 (4) . 表示希望、祈求、祝愿，常可译为“祝愿”。通常是用may +主+V 例如：May you have a good time. 祝你过得愉快。May you be happy! 祝你幸福！May you succeed！祝你成功！ 4. must的用法： (1).must 表示主观看法，意为―必须、一定‖。如：You must stay here until I come back.在我回来之前你必须呆在这儿。Must I hand in my homework right now? 我必须现在交作业吗？ (2) 其否定形式mustn’t表示― 一定不要‖ ―千万别‖ ―禁止, 不许‖. 如：You mustn’t play with fire. 你不许玩火。You mustn’t be late. 你一定不要迟到。 （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 .如：—Must I finish my homework?我现在必须完成作业吗？—No, you needn’t.不，你不必。 (4)must表示有把握的推测，用于肯定句。如: The light is on, so he must be at home now.灯亮着，他现在肯定在家。 注意其反意问句的构成形式： 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。如：She must have seen the film before，hasn’t she?(注意反意疑问句的后半部分)You must have met uncle Wang in the shop yesterday，didn’t you? (注意反意疑问句的后半部分)
2021年初中英语语法知识—情态动词的图文解析
一、选择题 1．One ______ easily lose his way when he visits or comes to a new place. A．may B．must C．need D．should 2．—Is that Kate’s green bike? —It ____________be hers. She likes pink. A．can’t B．could C．mustn’t D．might 3．—Can we walk across the road now? —No, we . We have to wait until the light turns green. A．couldn’t B．needn’t C．shouldn’t D．mustn’t 4．---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 t o 5．A: Is Jim coming by train? B: I’m not sure. He _______ drive his car. A．must B．may C．need D．should 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．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 8．—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 9．— Mom, I got a big box from express(快递). What is it? —I’m not sure. It ________be a present from your grandmother. A．should B．might C．must D．will 10．(2018·山东临沂) Could you please speak a little louder? I ______ hear you very well. A．can’t B．must n’t C．shouldn’t D．needn’t 11．-Could you help me with my English homework, Nancy? -Of course I____________. Glad to help. A．could B．can C．must D．do 12．My head teacher has made a set of rules to show what we students ________ and ________ not do in class. A．must; must B．will; will C．need; need D．might; might 13．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
初中英语情态动词讲解
情态动词 （一）情态动词的定义: 情态动词表示说话人对某一动作或状态的态度。 （二）情态动词的特点 1. 情态动词有一定的词义。 2. 情态动词不能单独做谓语，它必须和其他动词的原形一起构成谓语。 3. 情态动词没有人称，数的变化。 （三）情态动词的结构和意义 1.情态动词的基本句型 ?肯定句：主语+情态动词+动词原形+...... ?否定句：主语+情态动词+not+动词原形+...... ?疑问句：情态动词+主语+动词原形+...... 2. 情态动词的意义 must“必须”；can/could“能，会”；may/might “可以”；should“应该”； would“愿，要”；have to“不得不”；need“需要” （四）情态动词的基本用法 1.can (could主要指过去时间) 1）表示人或物本身所具有的能力，意为“能，能够，会” : Two eyes can see more than one. / I can swim very well. 2）表示可能（理论上或是逻辑判断上） He can’t (couldn’t) have enough money for a new car. 3）表示允许： Can I have a look at your new pen? He asked whether he could take the book out of the reading-room. 4）表示对现在动作或状态的猜测，主要用于否定句和疑问句中或感叹句中: He can’t (couldn’t) be over sixty.他不可能超过六十岁。 5）could表示比can更委婉客气的提出问题或陈述看法，指的是现在时间。 Can (Could) you lend me a hand? 帮我一把好吗？ 2. may (might) 1）表允许，询问或说明一件事可不可以做，might指过去时间；但在疑问句中might也可指现在时间，语气比may更委婉。 May (Might) I ask for a photo of your baby? 我可以要一张你宝宝的照片吗？ 在回答以may引起的问句时，肯定回答是一般可仍用may,或Yes, please. / Certainly./Sure./Of course. ； 否定回答根据说话人的语气由强到弱分别选用: must not(mustn’t)（禁止）/ had better not（最好别）/ may not（不行） 2) may表可能,但所表示的可能性不如can所表示的那样肯定。might可以指过去时间，也可以指现在时间，但语气更加不肯定。 He may be at home. 他可能在家。 They might be having a meeting, but I’m not sure.他们有可能在开会，不过我不肯定。 3. must（have to表示客观需要） 1）表示“必须”（主观看法）时，用于肯定句或疑问句；用于否定句时表示“禁止”。 We must do everything step by step. 我们一切都必须循序渐进地做。 You must get home before 9:00. 2）表示揣测。意为“想必、准是、一定”等，只用于肯定句。 He must be ill. He looks so pale. 他准是病了。他的脸色苍白。 3)must的疑问句，肯定回答用must，否定回答用needn’t或don’t have to。 4. should 1）表责任或义务，意为“应该”，用于各种人称。
初中情态动词用法总结
专项：情态动词 一考点：情态动词的用法和辨析，情态动词表示推测和可能，由情态动词引导的一般疑问句的回答。 二类型：1 只是情态动词：can, could, may, might, must 2 可做情态动词，可做实义动词：need, dare 3 可做情态动词，可做助动词：will, would, shall, should 4 特殊：have to, ought to, used to 三特征：1 有一定的词义，但不能单独作谓语，必须与行为动词和系动词连用构成谓语。 2 无人称和数的变化。（have to 除外） Eg: He has to stay here. 3 后接动词原形。 4 具有助动词作用，可构成否定，疑问或简短回答。 四用法： 1. can ①表示能力，“能，会”。Eg : Can you play basketball? ②表示怀疑，猜测，常用于否定句或疑问句。 Eg :Li hua can’t be in the classroom. ③表示请求，允许，多用于口语，译“可以”= may. Eg: you can go now. ④can 开头的疑问句，肯定句，否定句用can或can’t. 2.could①can 的过去式，表示过去的能力。 Eg :I could swim when I was seven years old. ②could 开头的疑问句，肯定和否定回答用could, couldn’t如果could 表示现在的委婉，用can 回答。 Eg: Could I have a drink? Yes, you can. 3.may①表示推测，“可能，也许”，用于肯定句。 Eg: He may come tomorrow. ②表示请求，“许可,可以”。Eg: May I borrow your book? 注：表示请求，许可时，主语为第一人称的一般疑问句，否定回
新初中英语语法知识—情态动词的全集汇编及解析(2)
一、选择题 1．You should________ the teacher________being late for school. A．apology to, about B．apologize to, for C．apologies to, for D．apologize to, on 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．— Do you think it is safe to shop online? — I think so. On Taobao, customers return goods with no questions asked，but they ______ pay delivery costs. A．can’t; can B．must; must C．can; have to D．mustn’t; can 4．—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．The designer has tried every possible way to make the robot light, so you _____ worry about its weight. A．must B．may C．can’t D．needn’t 6．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 7．---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 8．A: Is Jim coming by train? B: I’m not sure. He _______ drive his car. A．must B．may C．need D．should 9．—Doesn’t Frank like staying at home and looking after his little sister? —_______, but he ________ because both of his parents work. A．Yes; has to B．No; has to C．Yes; doesn’t have to D．No; doesn’t have to 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．The milk tastes bad. You’d better_______. A．throw it away B．to throw it away C．throw them away D．to throw them away 12．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．He like coffee. I see him drink a cup at times.
初中英语情态动词用法归纳
初中英语情态动词用法归纳 话题：动词情态教育学习 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，另外情态动词没有人称和数的变化，情态动词后必须跟动词原形。考点一：can，may，must 等情态动词在陈述句中的用法：1. can的用法：（1）.表示能力、许可、可能性。表示能力时一般译为“能、会”，即有种能力，尤其是生来具备的能力，此时may和must均不可代替它。如：She can swim fast, but I can’t .她能游得很快，但我不能。I can see with my eyes.我用眼睛看。（2）.表示许可，常在口语中。如：You can use my dictionary.你可以用我的字典。（3）.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”。如：Can the news be true?这个消息会是真的吗？—Can it be our teacher?那个人有可能是我们老师吗？—No, it can’t be our teacher. He is on a visit to the Great Wall.不可能。咱们老师正在游览长城呢。【例题】—I think Miss Gao must be in the library. She said she would go there.—No. She __be there, I have just been there. A.can’t
B.mustn’t C.needn’t D.wouldn’t【解析】根据下文“我刚去过那儿”可知，应为“不可能”，can’t表示推测[答案] A2. could 的用法：（1）.can的过去式，意为“能、会”，表示过去的能力。如：He could write poems when he was 10.他十岁时就会写诗。（2）. could在疑问句中，表示委婉的语气，此时could 没有过去式的意思。如:Could you do me a favour?你能帮我个忙吗？—Could I use your pen?我能用一下你的钢笔吗?—Yes, you can.可以。（注意回答）3. may的用法：（1）.表示请求、许可，比can正式，如：May I borrow your bike?我可以借你的自行车吗？You may go home now.现在你可以回家了。【例题】—_______ I borrow your MP3?—Sure . Here you are.A. May B.Should C.Must D. Would【解析】在此处表示请求，意为“做……可以吗”。答案：A(2) .表示推测，谈论可能性，意为“可能，或许”，一般用于肯定句中。如：It may rain tomorrow .明天可能会下雨。She may be at home.她可能在家呢.(3) .may的过去式为might，表示推测时。可能性低于may。如：He is away from school. He might be sick.他离开学校了，可能是他生病了。(4) .表示希望、祈求、祝愿，常可译为“祝愿”。通常是用may +主+V例如：May you have a good time.祝你过得愉快。May you be happy!祝你幸福！May you succeed！祝你成功！4. must的用法：(1).must表示主观看法，意为“必须、一定”。如：You must stay here until I come back.
初中英语情态动词用法归纳
初中英语情态动词用法归纳 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，另外情态动词没有人称和数的变化，情态动词后必须跟动词原形。 考点一：can，may，must 等情态动词在陈述句中的用法： 1. can 的用法： (1).表示能力、许可、可能性。表示能力时一般译为“能、会”，即有种能力，尤其是生来具备的能力，此时may和must均不可代替它。如：She can swim fast, but lean 她能游.得很快，但我不能。I can see with my eyes我用眼睛看。 (2).表示许可，常在口语中。如：You can use my dictionary. 你可以用我的字典。 (3).表示推测，意为可能”常用于否定句和疑问句中，此时can'译为不可能”女口：Can the news be true?这个消息会是真的吗？一Can it be our teacher那个人有可能是我们老师吗？一No, it can' t be our teacher. He is on a visit to the GreatlW不可能。咱们老师正在游览长城呢。 【例题】一I think Miss Gao must be in the library. She said she would go ther—No. She __be there, I have just been there. A.can ' t B.mustn ' t C.needn ' t D.wouldn 't 【解析】根据下文我刚去过那儿”可知，应为不可能” can'表示推测［答案］A 2. could 的用法： (1).can的过去式，意为能、会”表示过去的能力。女口：He could write poems when he was 10. 他十岁时就会写诗。 (2). could在疑问句中，表示委婉的语气，此时could没有过去式的意思。如:Could you do me a favour?你能帮我个忙吗？一Could I use your pen?我能用一下你的钢笔吗？一Yes, you can可以。(注意回答) 3. may 的用法： (1) .表示请求、许可，比can正式，如：May I borrow your bike?我可以借你的自行车吗？You may go home now现在你可以回家了。 【例题】一______ I borrow your MP3?- Sure . Here you are. A. May B.Should C.Must D. Would 【解析】在此处表示请求，意为做……可以吗”答案：A (2) .表示推测，谈论可能性，意为“可能，或许”，一般用于肯定句中。如：It may rain tomorrow .
初中英语语法知识—情态动词的全集汇编及解析(1)
一、选择题 1．—Could you please hang out with me this afternoon? —______. I have to make a plan for Clean-Up Day. A．Sorry, I couldn’t B．Sorry, I can’t C．Sure, I can D．Sure, I could 2．Since you are very tired, you ______ finish the work today. A．needn’t B．may not C．mustn’t D．can’t 3．―I can't stop smoking, Doctor. ―For your health, I'm afraid you . A．must B．can C．need D．have to 4．I hope you __________ to my birthday party. A．to come B．can come C．comes D．are come 5．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 6．—I can't stop smoking, doctor. —For your health, I'm afraid you ________. A．must B．can C．may D．need 7．—Hi, Lucy, may I sit here? —No, ________. The seats are for teachers and parents. A．you needn't B．you aren't C．you mustn't D．you don't 8．You __ drive your car so fast. It's very dangerous. A．wouldn't B．shouldn't C．couldn't D．mightn't 9．—Doesn’t Frank like staying at home and looking after his little sister? —_______, but he ________ because both of his parents work. A．Yes; has to B．No; has to C．Yes; doesn’t have to D．No; doesn’t have to 10．—Must I finish my homework this evening? —No,you ________.You have a three﹣day holiday. A．won't B．mustn't C．needn't 11．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 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．It’s raining all day, so I ________ st ay at home. A．can’t B．has to C．have to 14．—I feel tired. —You ________ go to bed so late.