中考复习专题情态动词
专题八情态动词
情态动词本身有一定意义，表允诺、愿望、义务、
命令和猜测。它必须和动词原形一起构成谓语。情态
动词没有人称和数的变化。把情态动词放在句首、句
尾用问号便构成疑问句；在其后加上not或never等否定词就构成否定句。
一、常见情态动词的用法
（一）can/ could的用法
1.表示具备某种“能力”，但不一定做事情，仅仅表
示有能力而已。could是can的过去时：Can you swim across the river?你能游过那条河吗？
2.表示“请求”（疑问句中）、“允许”。Could比Can 委婉；两者都指现在。回答一律用can, may或of course,否定用mustn’t。
3.表示“可能性”，都可以表示现在和将来，只是could 的语气更加不肯定。否定式表示“不可能”，如：They can’t/ couldn’t be doing that now.
（二）may/ might的用法
1.表示允许或请求允许，might语气更委婉。肯定回
答用may/ might/ can，否定回答用may n ot, can’t, mustn’t.
──May I turn on the TV?
──Yes, you may/ can.(No, you can’t/ mustn’t.)
2.表示可能性，“也许”。这时may和might表现在，只是might在语气上更不肯定一些。如：
You may/ might have some fever.表示可能性时，may/ might不用于疑问句，可用can/could或别的说法。如：Is it likely to rain?
3.祈使句中表示祝愿：May you succeed!
（三）must的用法
1.表示义务、命令或劝告，“必须”。You must tell me the truth.你必须和我说实话。在回答由must引起的问题时，否定回答用needn’t或don’t have to,表示“不必、没必要”；而mustn’t表示“不准许”的意思。
──Must the ladies wear dresses?
──No, they don’t have to / they needn’t. 2.表示推测，“肯定”。此时，must只用于肯定句。在
否定句或疑问句中，用can/ could：
There must be a mistake. Can / Could there be
a mistake?
（四）need和dare的用法
情态动词need“需要”和dare“敢”通常只用于否
定句和疑问句中。
You need not come so early. How dare you be so rude?但need和dare可作为实义动词，后跟动词不
定式，可用在所有句型中，注意此时他们的否定式和
疑问式与情态动词不同。
（五）shall和will的用法
1.shall用在第一、三人称作主语的疑问句中，来征
求意见。
Shall I go now? Shall we invite her, too?
2.shall用于所有人称，表示说话人的决心、保证、
许诺、威胁、警告、命令等强烈的感情，如：You shall have an answer by tomorrow. He shall suffer for this.
3.will可以表示“愿意、肯、会、固执”等意义，而
非将来，would则更婉转：I will pay for it. We’re going on a climbing trip. Come if you would.
4.will可以表示倾向、习惯，在否定句中可以表示“不肯、不能”等意思：
Oil and water will not mix. This machine won’t work.
5.would可以表示过去的习惯，类似used to：
He w ould come t o see me o n Sunday when he was here.
（六）should / ought to的用法
两者大多数情况下可以互换。Ought to的否定式为ought not to / oughtn’t to 。
1.表示道义上的责任，义务或要求，有时表示劝告，
“应该”，如：
You ought to / should pay more attention to what your teacher says.
2.表示对现在和将来的推测：This pen ought to/ should be yours.
3.“should/ ought to have+过去分词”表示对过去
的推测，“应该已经”。有时表示“本应该做而没有做”；“should not/ ought not to have+过去分词”表示“做了不应该做的事情”，是“本不该”的意思，因
而它们都含有责备的语气：He began two hours ago. He ought to have finished filling in the forms
now. You should not have asked him for help.
4.表示讲话人惊奇，失望，愤怒等感情：Why should
I believe you? What’s happened to that money? How should I know?
（七）had better表示“最好……”，后接动词原形，其否定式为had better not+ 动词原形would rather 意思是“宁愿”，表示选择。它有两种用法：
一是在肯定句中后边直接跟动词原形，其否定句是在would rather后加not，即：would rather not+动词原形；二是它后边可以接从句，该从句的谓语动词
用一般过去式表示虚拟语气。由于would rather表示选择，它后边可接than。
二、情态动词+ have+ done
（一）must have done
表示对过去的推测，意思是“一定已经，想必已经，
准是已经……”，只用于肯定句中。
The streets are wet. It must have rained.街道是湿的，准是下雨了。否定要用“can’t/ couldn’t+ have+过去分词”，意思是“不可能”：The pocket can’t have been lost there.
（二）may/ might have done
表示对过去的推测，意思是“也许已经……，可能已经……”。用于肯定或否定句中。疑问句中用can 或could.此外，“might have+过去分词”也表示“本来可以……但没有实现”的意思，含有责备的口气。
例如：He may have gone to bed. You might have
told me earlier.你本可以早点告诉我的。（埋怨责备）
（三）needn’t have done
“needn’t +have+过去分词”表示“本来不需要做”，“做了不必做或不需要做的事”，如：I needn’t have borrowed the money yesterday.注意didn’t need to do表示“没有必要做而实际上也没有做某事”。（四）：can/ could have done:用来谈过去的情况
1.在疑问句、否定句中，表示对过去的行为的怀疑和
不可能，这时它们没有时间上的差别，只是could的语气更弱一些：Who could have taken them? He can’t have taken it home.
2.could have done在肯定句中，表示“那时本来可以……；差点就要……”，有时用来进行婉转地批评：He could have told her, but he did not choose to. （五）should/ ought to have done
表示“过去应该做某事却没有做”；“should not/ ought not to have+过去分词”表示“做了不应该做
的事”。含有责备或遗憾的意思：You should have come here ten minutes earlier.
三、几组情态动词用法的区别
（一）can和be able to的区别。在一般将来时和现
在完成时中只能用be able to。can表示具备某种能力，但不一定做事；而be able to表示后天努力设
法去做，成功后说明有能力，如：He w as able to swim
across the river in fifteen minutes.(= He managed to swim across the river in fifteen minutes.)
（二）must与have to
must强调主观意志，必要性来自说话者的主观意志，“必须”。Have to强调客观因素，“不得不”。如：He must stop smoking.他必须戒烟。（说话人认为他必须）
You have to go and see the boss.你一定得去见见
老板。（客观因素）
注意：must not表示“绝对不可”；don’t have to （或haven’t got to）表示“不必，没必要”，两者意思极为不同。
（三）would与used to
would可表示反复发生的动作或某种倾向。Used to 表示过去的习惯动作或状态，强调现在已不存在。如：She used to work into the night.过去她常工作到
深夜。（现在不了）
She would work into the might.以前她常工作到深夜。（不表示现在不了）
【例题精析】
例1. Tom, you ______ leave all your clothes on
the floor like this!
A.wouldn’t
B.mustn’t
C.needn’t
D.may not
答案：B 。
例2. Where is my pen? I _____ it.
A.might lose
B. need have lost
C. must lose
D. must have lost
答案：D 。
专题测试
1.──Could I borrow your book?
──Yes, of course you ______ .
A. may
B. could
C. must
D. can
2. I wonder how he that _______ to his parents.
A. dare to say
B. dared say
C. dares to say
D. didn’t dare to say
3.──Shall I tell him about it?
──No, you ______ . I have told him already.
A. needn’t
B. wouldn’t
C. shouldn’t
D. mustn’t
4. I _______ have written to him because he phoned me later.
A. ought to
B. must
C. couldn’t
D. needn’t
5.──You can hardly swim, can you?
── _______ . But my mother said she would
teach me.
A. Yes, I can’t
B. No, I can’t
C. No, I can
D. Yes, I can
6.──Write to me when you get home.
── ______ .
A.I must
B.I should
C.I will
D.I can
7.─Where shall we meet tomorrow?
─Well.I ____come to your house if you like.
A. could
B. might
C. should
D. must
8. Don’t throw the bottles away. They _____ in the future.
A. may need
B. are needed
C. can be needing
D. might be needed
9. He was caught in the rain last night. That
_____ his cold.
A. must bring about
B. ought to
bring about
C. should have brought about
D. may have brought about
10.──I saw Jane in the street yesterday.
──You _______ her. He is still abroad.
A. mustn’t see
B. can’t have seen
C.mustn’t have seen
D.ought not to have seen
11.──You must phone us every week.
──Yes, I _____ .
A. must
B. have to
C. will
D. should
12. John, look at the time. _______ you play the piano at such a late hour?
A. Must
B. Can
C. May
D. Need
13. The line is busy. Someone _____ the telephone.
A. may be using
B. may have used
C. must
have been using D. must be using
14. English is a language that many p eople around the world ____ not speak perfectly but at least
_____ understand.
A. may, can
B. would, might
C. will, must
D. could, might
15.──What are you going to do for your holiday?
──I’m not sure. I _____ make a trip to the beach.
A. can
B. may
C. must
D.
should
16.──I wonder why Mr. Wang didn’t attend the lecture.
──He ______ another one.
A. could have
B. must have
C. might have had
D. should have had
17. He was taken away by the police. He ______
for a robber.
A. must be mistaken
B. was being
mistaken
C. must mistake
D. must have been mistaken
18.──Must I be at home at 6 ?
──No, you _____ .
A. mustn’t
B. can’t
C. needn’t
D. shouldn’t
19.──I wonder if I ______ smoke here.
──No, you ______ . Could you see the sign
“No Smoking”there?
A. can, needn’t
B. shall, won’t
C. must, can’t
D. may, mustn’t
20. Tom always did well in all his subjects, so
he ______ in the final exam.
A. mustn’t fail
B. couldn’t have failed
C. ought not to fail
D. mustn’t have failed
21.──I didn’t go to work yesterday afternoon because my car broke down.
──You ______ mine. I wasn’t using it.
A. might borrow
B. could have borrowed
C.
can have borrowed D. ought to borrow
22. A computer ________ think for itself, it must be told what to do.
A. can’t
B. couldn’t
C. may not
D. might not
23. I didn’t hear the phone. I ______ asleep.
A. must be
B. must have been
C. should be
D. should have been
24. We _______ last night, but we went to the
concert instead.
A. must have studied
B. might study
C. should have studied
D. would study
25. Tom ought not to ______ me your secret, but
he meant no harm.
A. have told
B. tell
C. be telling
D. having told
26.──I haven’t seen Mr. White for weeks.
──What _______ to him?
A. must have happened
B. may have
happened
C. can have happened
D. may h appen
27. The fire spread through the hotel very quickly but everyone ______ get out.
A. had to
B. would
C. could
D. was
able to
28.──Will you stay for lunch?
──Sorry, ______ . My brother is coming to
see me.
A. I mustn’t
B. I can’t
C. I needn’t
D. I won’t
29. I was really anxious about you. You ______
home without a word.
A. mustn’t leave
B. shouldn’t have left
C. couldn’t have left
D. needn’t leave
30.──I hear you’ve got a set of valuable
Australian coins. _____ I have a look?
──Yes, certainly.
A. Do
B. May
C. Shall
D. Should
专题九 情态动词
专题九情态动词 （一）中考备考指引 1.概念 情态动词是表示说话人的情绪、态度或语气的动词，本身有一定的词义，但不能单独作谓语，要和其他动词原形一起构成谓语部分。常见的情态动词有：can 能/may, might能够/will, would（表意愿）/need需要/dare敢/must必须/have to不得不/shall,should应该/ought to应该（表义务）…… 2.情态动词的语法特征 （1）不能表示正在发生或已经发生的事情，只表示期待或估计将要发生的事情。 （2）后接动词原形。 （3）没有人称和数的变化。 （4）没有非谓语动词形式，即没有不定时、分词等形式。 【注意】 ①must, can（could）, may（might），ought to只做情态动词。 ②need，dare既可作情态动词又可作实义动词。 ③shall（should）, will（would）既可作情态动词又可作助动词。 ④has/ have/ had to, used to, had better也具有情态动词的特征。 （二）考点精讲解析（使用及注意事项） 考点1 情态动词 （1）can和could 表示水平、可能性、怀疑或推测（限于否定句、疑问句或感叹句中）和允许。 【注意】 could用于一般疑问句中比can语气更委婉，属于现在的情况。 如：The radio is pretty loud. Could you please turn it down a bit? （2）may 和might 表示允许、推测（用于肯定句）、请求或规劝和祝愿。 （3）must和have to
①must表示义务或责任、很有把握的推测（用于肯定句）和禁止（mustn’t）。 ②must是说话人的主观看法，而have to则强调客观需要。 must只有一般现在时，have to有多种时态形式。 ③must的否定形式：mustn’t表示“不准” ④由must构成的一般疑问句，否定回答用needn’t或don’t have to（不必）。 如：—Must we hand in our exercise books now? —No, you needn’t. / No, you don’t have to. （4）should和ought to ①表示“应该”，ought to表示义务或责任，比should语气重。 ②表示劝告、建议和命令。should和ought to可通用，但在疑问句中常用should。 （5）shall和should ①表示允许或命令（常用于第二、第三人称）。 ②表示征求意见（常用于第一、第三人称的疑问句中）。 （6）will和would 表示意愿或决心、有礼貌的请求、习惯动作和预言。 （7）need 1）作情态动词时，用于否定句和疑问句中，在肯定句中用must，have to, ought to或should。 如：○1—Need I go with her? —Yes, you must./ No, you needn’t. ○2You needn’t worry about it because it’s not your fault. ○3We needn’t do it again, need we? 2）作实义动词时，后接to do，表示与主语的关系是主动的，若与主语的关系是被动的，则接doing或者to be done。 如：○1You don’t need to do it by yourself. ○2The table needs painting./ the table needs to be painted. （8）had better 表示“最好，应该”，后接动词原形，had通常缩写为’d；否定形式是：
中考英语专题练习-含情态动词的被动语态(含解析)
中考英语专题练习-含情态动词的被动语态（含解析） 一、单选题 1.-- When should I hand in my paper? -- Your paper must as soon as the bell . A. hand in; rings B. hand in; will ring C. be handed in; rings 2.Which things ______ by common people to protect the environment? A. can be B. can do C. can be done D. can be do 3.Children to watch thrillers. They may have a bad influence on children. A. shouldn't allow B. should allow C. shouldn't be allowed D. should be allowed 4.Your bedroom is so dirty, It should every day. A. clean B. is cleaned C. cleans D. be cleaned 5.Waste paper everywhere. It's our duty to keep the school clean. A. throws B. are thrown C. shouldn't be thrown 6.—It's difficult for village children to cross the river to school. —I think a bridge _________ over the river. A. should be built B. will build C. is built D. was built 7.Don't put off today's work for tomorrow. I mean, today's work______ today. A. may do B. must do C. may be done D. must be done 8.People who drink wine ____________ to drive after May Day. A. don't allow B. isn't allowed C. mustn't allow D. mustn't be allowed 9.It's difficult for the village children to cross the river to get to school. We think a bridge________ over the river A. was built B. should be built C. has been built D. is being built 10.Things should ________ here before you enter the library. A. keeps B. are kept C. be kept D. keep 11.The robot needs _______ once a month. And we will check it for you for free. A. to check B. checked C. checking D. to checking 12.The young mothers are told little kids can't ___________ alone at home. A. leave B. to leave C. left D. be left 13.The television ________. It doesn't work now. A. must be repaired B. was repairing C. must repair D. has repaired 14.Don't put off today's work till tomorrow. I mean, today's work today. A. must be done B. must do C. may be done 15.—Can I my hair colored, Mom? —No. As a student, you ________ do that. A. let; are allowed to B. got; should be allowed to C. get;may not D. get; shouldn't be allowed to
人教版中考英语专题训练 情态动词1
人教版中考英语专题训练情态动词1 一、初中英语情态动词 1．——You look pretty in green, Kate. ——Thank you. I like green. Green ______give me energy. A. can B. must C. should D. has to 【答案】A 【解析】【分析】句意:一一凯特，你穿看绿色的衣服很漂亮。一一谢谢，我喜欢绿色。绿 色给我能量。A.能，表示能力;B.must必须，强调主观愿望;C.应该，强调责任与义务;D.必须. 强调客观要求。绿色能给我力量，我喜欢。故选A。 2．All passengers ______ go through safety check before they take a plane. A. can B. may C. must D. could 【答案】 C 【解析】【分析】句意：所有乘客登机前必须接受安全检查。A. can能够，表示能力；B. may可以，表示许可；C. must必须；D. could可能，可以。登机前必须安检。故选C。 【点评】情态动词词义辨析。以及can、may、must、could四个词的词义和用法。 3．—Life is becoming convenient with the Internet. —That's true! Almost everything ______ be done online. A. must B. could C. should D. can't 【答案】 B 【解析】【分析】句意：——生活正随着网络变得方便。——那是真的。几乎所有的事情 可以在网上完成。A必须，B可以，C将，D不能。根据 Life is becoming convenient with the Internet. 生活正随着网络变得方便，可知应该是很多事情可以在网上完成，故选B。 【点评】考查情态动词。注意理解和掌握情态动词的不同用法。 4．Teenagers allowed to drive . A. should not be B. should be not C. not should be 【答案】A 【解析】【分析】句意：年轻人不应该被允许驾车。Should是情态动词，其否定表达一般 在在后面加副词not，故选A。 【点评】此题考查含有情态动词的被动语态的否定形式。平时注意记忆情态动词的记忆和 用法。 5．You be tired after walking for such a long time. Sit down and have a rest. A. can B. can't C. mustn't D. must 【答案】 D 【解析】【分析】句意：走了这么长时间你一定很累了。坐下休息一下吧。can能，能 够，can't不能，对事物进行否定推测；mustn't一定不是，禁止，must一定，对事物进行 肯定推测，根据after walking for such a long time，可以肯定你一定很累，所以是进行肯定
(完整)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. 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 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 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 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 1 He had better stay here, ___ he? A. doesn'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 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 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 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 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 out D. 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 be B. shouldn’t be C. mustn’t have been D. couldn’t have been 3. It’s nearly seven o’clock. Jack _______ be here at any moment. A. must B. Need C. should D. can 4. Johnny, you _______ play with the knife, you _______ hurt yourself.
《中考英语》初中英语语法知识—情态动词的专项训练解析附答案
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．―I can't stop smoking, Doctor. ―For your health, I'm afraid you . A．must B．can C．need D．have to 3．I hope you __________ to my birthday party. A．to come B．can come C．comes D．are come 4．—Is that Kate’s green bike? —It ____________be hers. She likes pink. A．can’t B．could C．mustn’t D．might 5．All passengers_____ go through safety check before they take a plane. A．may B．can C．must D．need 6．A: Is Jim coming by train? B: I’m not sure. He _______ drive his car. A．must B．may C．need D．should 7．—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 8．—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 9．—Sorry, Ms Wang. I left my homework at home. Must I hand it in today? —No, you_______ . You_______ bring it here tomorrow. A．mustn’t; should B．needn’t; must C．mustn’t; may D．needn’t; can 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．We _______ keep the new traffic law and learn how to protect ourselves. A．may B．should C．can 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．—I feel tired. —You ________ go to bed so late.
中考英语专题分类卷 专题十 情态动词
( )1. (2018．武汉)-Must you go? -Yes, I'm afraid I really ____ . A. may B. should C. must D. can ( )2.(2018 -呼和浩特)-The woman over there looks like our English teacher. -It ______ be her. She's having a meeting in Beijing now. A. may not B. mustn't C. shouldn't D. can't ( )3. (2018 .哈尔滨)- ______ I take photos here? -No, you mustn't. Don't you see the sign "NO PHOTOS'''? A. Would B. May C. Must ( )4. (2018 .青岛)This book ______ be Lucy's. Look !Her name is on it. A.can B. May C. Must D. might ( )5. (2018 .邰N)-Must I go home now? -No, you ______ . A. mustn't B. needn't C. shouldn't ( )6. (2018 .长沙)-Is the man over there Adam'? -It ______ be him. He has gone to Hong Kong on vacation. A. Must B. can't C; mustn't ( )7. (2018 .达州)-Look! The woman at the school gate ______ be our headmaster. -No, it ______ be her. She is holding a meeting in the office now.
初中英语情态动词讲解
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2012-2013学年初三下学期英语周末辅导试卷(第9周)专题九：非谓语动词情态动词
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中考英语-情态动词专题讲解与练习
中考英语-情态动词专题讲解与练习 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”，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。 （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 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。 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 favor?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。 (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 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
中考英语情态动词用法总结
情态动词 （一）情态动词概说 1．情态动词也是“辅助性”动词，用来表示说话人的语气或情态。情态动词所表示的情态有：请求、命令、允诺、可能、需要、敢于、愿望、义务、能力等。 2．情态动词本身有词义，但不能单独用作谓语，必须与动词一起构成谓语。没有人称和数的变化。如： 3．有些情态动词的过去时与其原形相同，有些与原形不同。 (1) 与原形相同的有： must --- must (2) 与原形不同的有： can --- could will --- would may --- might shall --- should need --- needed have to --- had to （二）情态动词的种类：（见下表） 情态动词的否定式为：情态动词+not （三）常用情态动词的用法： 1．can与could （1）表示体力或脑力方面的“能力”，也能表示根据客观条件能做某事的“能力”。当表示将来的能力时，一般用will be able to；当表示过去的能力时，一般用could。 Can you jump as far as he did I can’t catch up with Jim. I couldn’t speak well until I was five years. can与be able to二者都表示“能够”，区别是：can只有现在时和过去式，而be able to 可用于各种时态。如： I’ll be able to speak French in half a year. He hasn’t been able to finish it on time. （2）表示允许。 ①could比can更委婉，表示客气地请求或委婉地陈述意见，这种用法多用于陈述句和疑问句中。 You can go now. Could you go skating with me tomorrow
中考英语专题复习精讲精练专题九情态动词
专题九情态动词 考点透视与解读 【目标导航】 【名师讲堂】 （1）表示“能力、技能、功能”等”,可以和be able to转换。例如： He can play the guitar very well. ＝He is able to play the guitar very well.他吉他弹的很好。 She could speak French well when she was in college. =She was able to speak French well when she was in college.在上大学时，她会讲法语。 【注意】 Can表示能力的时候，虽然可以和be able to转换，但can只有一般式和过去式两种时态，而be able to可以用于各种时态。 （2）表示“允许、请求、要求、建议”等。例如： You can tell him the news.你可以告诉他那个消息。 Can I open the door for you ?我可以替你开门吗？ （3）用could代替can ，表示语气的婉转。例如：
Could you help me clean the room? 你能帮我打扫房间吗？ Could you go to the movie with me?你可以和我一起去看电影吗？ （4）表示怀疑、猜测，常用于否定句和一般疑问句中。如： He can’t be an English teacher.He knows little English.他不可能是老师，他几乎不懂英语。She is so young ,can she be your mother?她如此年轻，会是你妈妈吗？ （1）作“可以”解，用来表示请求或许可．如： May I borrow your eraser? 我可以借你的橡皮吗？ You may ride a bike to school .你可以骑自行车去上学。 （2）作“可能”解，用来表示猜测，但语气不如must强烈，多用于肯定句。 I don’t know the way to the train station.Jack may know.我不认识去火车站的路。杰克可能知道。 Mr Wang may be at home.王先生可能在家里。 【注意】 ①辨析maybe和may be maybe 是副词，意为“也许”，通常用于句首．may be 的实质是情态动词may后面碰巧跟上动词原形be ,意为“可能是”，用作表语，通常用于句中．请比较： Maybe his father is a policeman. ＝His father may be a policeman.他爸爸可能是个警察。 ②might是may的过去式，might本身也是一个情态动词，用于现在时中表示可能性比较小。如： 一Whose guitar is this? 一这个吉他是谁的？ 一It might belong to Alice.She plays the guitar. 一可能是艾丽丝的，她弹吉他。
2020年中考英语专题复习——情态动词 卷一(真题)
2020年中考英语专题复习——情态动词卷一（真题） 一、单选题（共30题；共60分） 1.David, you please sweep the floor and take out the trash? A. could B. may C. might D. must 2.—________ I have a word with you, Mr. Green? It won't take long. —Okay. A. Should B. May C. Need D. Must 3.—____I return the books this week？ —No, you ____. You can do that next week. A. Must; can't B. May; needn't C. Need; mustn't D. Must; needn't 4.Size and type do not matter — you ______ do almost anything if you never give up. A. should B. must C. need D. can 5.We should keep quiet in the library. We speak loudly. A. must B. mustn't C. can D. needn't 6.—Is that boy Scott？ —No, it be Scott. Scott is much taller. A. can B. can't C. mustn't 7.—Who is singing in the next room? —It ____be Lisa, but I'm not sure. A. must B. may C. need 8.—I take the magazine out of the reading room? — I'm sorry you . A. Could; couldn't B. Must; couldn't C. Will; can't D. May; can't 9.According to the notice, guests at this hotel __________use the sports center at no extra cost. A. can B. should C. must D. need 10.Dirty air and water are harmful. They ____ kill plants, and even people. A. can B. can't C. should D. shouldn't 11.—Mum, may I play computer games this evening? —No way, you __________finish your homework. A. can B. must C. may D. will 12.—Is that Tom over there? —It ____ be him. He is on the plane to Chengdu now. A. can't B. might not C. must 13.Ants are pretty small. You might think that they _________be rather weak. But what you might not know is that ants are actually very strong for their size. A. need B. can't C. must