透析中考英語語法情態(tài)動詞考點

1、透析中考英語語法情態(tài)動詞考點【情態(tài)動詞命題趨勢與預測】根據(jù)對情態(tài)動詞部分在全國各地中考試題的分析可知，今后該部分將是重點考查點之一。其考查重點為：1、情態(tài)動詞在一般疑問句中的問與答2、情態(tài)動詞表示猜測的用法3、will與shall的用法4、dare與need的用法【考點詮釋】一、考查情態(tài)動詞的基本用法 一些情態(tài)動詞的常用的意義往往為高考考查的焦點，考生須準確理解其含義并根據(jù)句子意思選擇正確的情態(tài)動詞。1must和have to兩者都表示“必須”的意思，但must含有說話人主觀上的看法、態(tài)度；have to則表示客觀上的需要。【考例】-Must we finish giving out the

2、posters today?-Yes, we _. It can't be put off any longer. 太原市A. can B. may C. must答案C。解析 此題考查情態(tài)動詞的用法?；卮鹩蒻ust引起的一般疑問句，其肯定答語要用must，不能用can或may。故選C。-I didn't pass the math test. I think I have spent too much time playing computer games recently.-I agree. You _ play like that any more. 河南省A. need

3、n't B. mustn't C. may not D. wouldn't答案B。解析 此處選mustn't。表示“一定不能”“千萬不能”，用較強的語氣來提醒對方不能再玩游戲了。When traffic lights are red. We _stop and wait. 南京市A. may B. can C. must D. might.答案C。解析 考查情態(tài)動詞，must必須，表示禁止。一I really like playing computer games! 一I'm afraid you _stop，for your study and you

4、r health. 07宜昌市 A. am B. will Cmay Dmust答案D。解析 答語意思為“為了你的學習和健康，恐怕你必須停止玩電腦游戲”，所以must最恰當。2can和could兩者都可用來表能力，意為“能夠，會”；可用來表示許可(常用在口語中)或表示懷疑、驚異、不相信等態(tài)度(常用于否定句、疑問句或感嘆句中)?！究祭?Could I borrow your dictionary?-Of course you _.陜西省A. can B. must C. should D. will答案A。解析 上文的could并不表示過去，而只是一種委婉的說法，所以答語用can更禮貌些。-L

5、isten! Is Tom singing in the classroom?-No. It _be Tom. He has gone to Paris. 長沙市A. may not B. needn't C. can't答案C。解析 因為湯姆不在這里，所以不可能是他。一Mary，_you speak Chinese?一Yes，only a little 北京市A must B need C may Dcan答案D。解析 考查情態(tài)動詞，“瑪麗，你會說英語嗎?“是的，會一點”。故選D。can表示能夠。3shall和should shall用于第一、三人稱疑問句表示征求對方意：見；

6、用于第二、三人稱肯定句或否定句表示說話人給予對方的“禁止、命令、警告、允諾或威脅等”。 should用來表示建議、責任、義務時，可譯為“應該，應當”，此時可用ought to替換；可用來表示驚訝、憂慮、贊嘆等不滿情緒(用在疑問句中)；還可用來委婉地陳述自己的意見?！究祭縎chools _allow students at least one hour a day for sports. 安徽省A. would B. might C. should D. could答案C。解析 此處用情態(tài)動詞should的用法。should表示“應當應該”的含義比其他三個詞更強些。 4had better和w

7、ould rather “had better+動詞原形”意為“最好做”，否定句式為had better not?！皐ould rather+動詞原形”意為“寧可，寧愿”，否定句式為would rather not?！究祭?Bob，may I _your MP4?一SureBut you'd better not _it to others福州市A lend；lend B lend；borrow C borrow；borrow Dborrow；lend答案D。解析本題考查動詞borrow和lend的區(qū)別.borrow和lend是一組反義詞，都是“借”的意思，但相對句子主語來說，bor

8、row意為“借人”；lend意為“借出”。由語境可判斷前者是借入，用borrow后者是借出，用lend。-What about playing football this afternoon, Sam? -I would rather _ at home than football. It's too hot outside. 南京A. stay; playing B. stay; playC. to stay; to play D. to stay; playing答案：A。解析本題考查了would rather的固定短語的應用。譯文為:薩姆，今天下午出去打球怎么樣？和踢足球相比，我

9、寧愿呆在家里，外面太熱。Would rather do A than do B和做B比起來，寧愿做A。 5used to “used to+動詞原形”表示“過去常常做某事”或表示過去的一種慣常狀態(tài)?！究祭縃e used to _ in the sun, but now he is used to at night. 蘭州A. read, read B. reading, read C. read, reading D. reading, reading答案：C。解析考查固定結構的用法。Used 后接動詞不定時，be used to 后接動名詞。故選C。6need和dareYou _do it

10、 if you really don't want to. 昆明市A. needn't B. mustn't C. can't D. couldn't答案A。解析 考查情態(tài)動詞。本題應由句意人手破解。如果你不想做的話，你“沒有必要”做它，所以正確答案為A項。-May I do the rest of the work tomorrow? -Yea, of course. You _finish it today. 成都市A. must B. mustn't C. needn't答案C。解析思路分析：根據(jù)句意可知，neednt不必。二、考查

11、情態(tài)動詞表推測的用法1對現(xiàn)在或?qū)淼耐茰y用“情態(tài)動詞+動詞原形”?？隙ǖ耐茰y一般用must，should，may (might)或can(could)，其中，must的語氣最強。意為“肯定”、“準是”、“想必是”；should的語氣次之，意為“很可能”、“應該”，指按常理推測；may(migt)，can(could)的語氣最弱，意為“有時會”、“也許”、“可能”。否定推測分為兩種情況：語氣不很肯定時，常用maymightcould not，意為“可能不”、“也許不”；否定語氣較強時，則用can't，意為“根本不可能”、“一定不能”，表示驚異、懷疑的感情色彩?！究祭縔ou _be ti

12、red after working for eight hours without a rest. 廣東省A. can B. may C. must D. need答案C。解析 本題考查情態(tài)動詞must，can，may，need的區(qū)別。本題由題意人手，“你工作了八個小時沒有休息肯定很累?！鼻閼B(tài)動詞must在此表示肯定的推測。一Look at the boy running on the groundIs it Davis? It _be himI saw him go to the teacher's office just now黃岡市A must B can't Ccoul

13、d Dmight答案B。解析 考查情態(tài)動詞。表推測時否定句中用can't。表示“不可能”，因為他已經(jīng)去了老師的辦公室?！菊Z法回顧】1 情態(tài)動詞的語法特征1） 情態(tài)動詞不能表示正在發(fā)生或已經(jīng)發(fā)生的事情，只表示期待或估計某事的發(fā)生。2） 情態(tài)動詞除ought 和have 外，后面只能接不帶to 的不定式。3） 情態(tài)動詞沒有人稱，數(shù)的變化，即情態(tài)動詞第三人稱單數(shù)不加-s。4）情態(tài)動詞沒有非謂語形式，即沒有不定式，分詞，等形式。常見的情態(tài)動詞有：can (could) ,may (might), must ,shall (should), will (would), dare (dared)

14、, need等,另外,have to、had better也當作情態(tài)動詞使用。情態(tài)動詞后面必須加動詞的原形。 can 和be able to 1）can/could 表示能力；可能 （過去時用could）, 只用于現(xiàn)在式和過去式（could）。be able to可以用于各種時態(tài)。例如：They will be able to tell you the news soon. 他很快就能告訴你消息了。2）只用be able to的情況： a. 位于助動詞后。b. 情態(tài)動詞后。c. 表示過去某時刻動作時。 d. 用于句首表示條件。e. 表示成功地做了某事時，用was/were able to，不能

15、用could。例如：He was able to flee Europe before the war broke out. = He managed to flee Europe before the war broke out.他在戰(zhàn)爭爆發(fā)之前逃離歐洲。注意：could有時不表示時態(tài)1）提出委婉的請求，（注意在回答中不可用could）。例如：- Could I have the television on? 我能看電視嗎？- Yes, you can. / No, you can't. 可以/不可以。2）在否定句、疑問句中表示推測或懷疑。例如：He couldn't be

16、a bad man. 他不大可能是壞人。may和might 1） 表示允許或請求；表示沒有把握的推測；may 放在句首，表示祝愿。例如：May God bless you! 愿上帝保佑你！He might be at home. 他可能在家。注意：might 表示推測時，不表示時態(tài)，只是可能性比may 小。2） 成語：may/might as well，后面接不帶to 的不定式，意為"不妨"。例如：If that is the case, we may as well try.如果情況確實如此，我們不妨試一試。have to和must 1）兩詞都是'必須'的

17、意思，have to 表示客觀的需要，must 表示說話人主觀上的看法，既主觀上的必要。例如：My brother was very ill, so I had to call the doctor in the middle of the night.弟弟病得很厲害，我只得半夜里把醫(yī)生請來。（客觀上需要做這件事）He said that they must work hard. 他說他們必須努力工作。（主觀上要做這件事） 2）have to有人稱、數(shù)、時態(tài)的變化，而must只有一種形式。但must 可用于間接引語中表示過去的必要或義務。例如：He had to look after his

18、sister yesterday. 他昨晚只得照顧他姐姐。3） 否定結構中：don't have to表示"不必"，mustn't表示"禁止"。例如：You don't have to tell him about it.你不一定要把此事告訴他。You mustn't tell him about it.你不得把這件事告訴他。 must表示推測 1） must用在肯定句中表示較有把握的推測，意為"一定"。2） must表對現(xiàn)在的狀態(tài)或現(xiàn)在正發(fā)生的事情的推測時，must 后面通常接系動詞be 的原形或行為

19、動詞的進行式。例如： You have worked hard all day. You must be tired. 你辛苦干一整天，一定累了。（對現(xiàn)在情況的推測判斷）He must be working in his office. 他一定在辦公室工作呢。比較：He must be staying there. 他現(xiàn)在肯定在那里。He must stay there. 他必須呆在那。3） must 表示對已發(fā)生的事情的推測時，must 要接完成式。例如：I didn't hear the phone. I must have been asleep.我剛才沒有聽到電話，我想必是睡著

20、了。4） must表示對過去某時正發(fā)生的事情的推測，must 后面要接不定式的完成進行式。例如：-Why didn't you answer my phone call? 為何不接我的電話？-Well, I must have been sleeping, so I didn't hear it.唉，肯定在睡覺，所以沒有聽見。5） 否定推測用can't。例如：If Tom didn't leave here until five o'clock, he can't be home yet.如果湯姆五點才離開這兒，他此時一定還未到家。表示推測的用法

21、 can, could, may, might, must 皆可表示推測，其用法如下：1）情態(tài)動詞+動詞原形，表示對現(xiàn)在或?qū)淼那闆r的推測，此時動詞通常為系動詞。例如：I don't know where she is, she may be in Wuhan. 我不知道她在哪兒，可能在武漢。2）情態(tài)動詞+動詞現(xiàn)在進行時，表示對現(xiàn)在或?qū)碚谶M行的情況進行推測。例如：At this moment, our teacher must be correcting our exam papers. 這時，想必我們老師正在批改試卷。should 和ought to 除了上述的用法，兩者還可表示

22、"想必一定，按理應該"的意思。例如：I ought to be able to live on my salary. 靠我的薪水，想必也能維持了。It ought to be ready now. 想必現(xiàn)在準備好了吧。They should be there by now, I think. 現(xiàn)在他們該到那兒了。The poems should be out in a month at most. 詩集估計最多還有一個月就要出版了。had better表示"最好"，相當于一個助動詞，它只有一種形式，它后面要跟動詞原形。例如：It is pretty co

23、ld. You'd better put on my coat. 天相當冷。你最好穿上我的外套。She'd better not play with the dog. 她最好不要玩耍那條狗。would rather表示"寧愿" would rather dowould rather not dowould rather than 寧愿而不愿。還有would sooner, had rather, had sooner都表示"寧愿"、"寧可"的意思。例如：If I have a choice, I had sooner

24、not continue my studies at this school. 如果有選擇的余地，我寧可輟學離開這個學校。I would rather stay here than go home. = I would stay here rather than go home. 我寧愿呆在這兒，而不愿回家。will和would 注意：1）would like；would like to do = want to 想要，為固定搭配。例如：Would you like to go with me? 想和我一塊去嗎？2）Will you?Would you like? 表示肯定含義的請求勸說時，疑

25、問句中一般用some, 而不是any。例如：Would you like some cake? 吃點蛋糕吧。3）否定結構中用will，一般不用would, won't you是一種委婉語氣。Won't you sit down? 你不坐下嗎？情態(tài)動詞的回答方式問句肯定回答否定回答Need you?Yes, I must.No, I needn'tMust you?No, I don't have to.帶to 的情態(tài)動詞 帶to 的情態(tài)動詞有四個：ought to, have to, used to, be to, 如加上have got to （=must）,

26、 be able to，為六個。它們的疑問、否定形式應予以注意：Do they have to pay their bill before the end of the month? 他們必須在月底前付帳單嗎？She didn't use to play tennis before she was fourteen.在她十四歲前，她不會打網(wǎng)球。You ought not to have told her all about it.你不應該告訴他所有這件事。Ought he to see a heart specialist at once.?ought to 本身作為情態(tài)動詞使用。其他

27、的詞作為實義動詞使用，變疑問，否定時，須有do 等助動詞協(xié)助。need和dare 這兩詞既可做實義動詞用，又可做情態(tài)動詞用。作為情態(tài)動詞，兩者都只能用于疑問句，否定句和條件句。need 作實義動詞時后面的不定式必須帶to，而dare作實義動詞用時, 后面的to 時?？梢员皇÷?。1） 實義動詞：need（需要, 要求） need + n. / to do sth2） 情態(tài)動詞：need，只用原形need后加do，否定形式為need not。例如：Need you go yet? 你要走了嗎？Yes, I must. / No, I needn't.是的，我要走了/不，不急著走。【語法過關

28、】1  _ I fill in the check-in form right now, sir? No, you neednt. You can complete it this afternoon. A. May B. Can C. Would  D. Must2 Could I go to the movie this weekend，Dad?一Yes，you_But you have to come back before nineAshall Bmust Cneed Dcan3You play with fire, Tom. It&#

29、39;s dangerous. A. needn't B. may not C. mustn't D. wouldn't4As we know, fish _die out of  water.   A. may   B. is going to  C. can  D. will5 Shall I book some seats for the concert?_. Ive already done that. A. Yes, you mayB. No, you mustnt C. No, you n

30、eedntD. Id rather not6I think Miss Gao must be in the library. She said she would go there. No, she _ be there. I've just seen her there. A. can't B. mustn't C. needn't D. wouldn't7You _ worry about him. He will get well soon. A. needn't B. can't C. mustn't D. may not

31、8Schools _allow students at least one hour a day for sportsAwould Bmight Cshould Dcould9You _ open the door before the train gets into the station. A. don't have toB. mustn'tC. needn'tD. may not10I was told to be here before eight. Oh ,you . Im sorry for not telling you that we have changed the plan. AmustBcant CmayDneednt11May I take this book out of the reading room? .Please read it here. ACertainly BNo, you neednt CNo, you mustnt12Whos that woman with Ann?Im not sure