備戰(zhàn)2020年高考英語(yǔ)考點(diǎn)一遍過(guò)考點(diǎn)19情態(tài)動(dòng)詞(含解析)

1、學(xué)必求其心得，業(yè)必貴于專(zhuān)精1考點(diǎn) 19 情態(tài)動(dòng)詞高考頻度：1【命題解讀】高考研究者發(fā)現(xiàn)，英語(yǔ)中常用的情態(tài)動(dòng)詞主要有 can,could may, might，must，will，would，shall, should,ought to, dare, need, used to, had better等。在學(xué)習(xí)情態(tài)動(dòng)詞時(shí)應(yīng)注意以下幾點(diǎn)：同一情態(tài)動(dòng)詞表 示不同的意義的情況；情態(tài)動(dòng)詞后跟各種形式的用法；尤其要注意 情態(tài)動(dòng)詞+完成式是高考中的重點(diǎn)所在.【命題預(yù)測(cè)】情態(tài)動(dòng)詞是各地高考試題中的必考項(xiàng)目，每年高考單獨(dú)命題區(qū) 的單項(xiàng)填空必有一道考查情態(tài)動(dòng)詞的項(xiàng)目。新課標(biāo)卷主要在語(yǔ)法填 空和短文改錯(cuò)中考查?？键c(diǎn)

2、依次是：推測(cè)（可能性）T請(qǐng)求/允許必 要性T特殊用法。試題的立意不偏不怪，但有效信息越來(lái)越隱蔽，語(yǔ) 境越來(lái)越真實(shí)，考查角度越來(lái)越細(xì)致，這些因素在很大程度上增加 了試題的難度。【復(fù)習(xí)建議】1.真實(shí)的語(yǔ)境中對(duì)情態(tài)動(dòng)詞的理解和把握；2. 掌握情態(tài)動(dòng)詞表示推測(cè)和可能性的用法；3. 掌握情態(tài)動(dòng)詞表達(dá)情感、態(tài)度、語(yǔ)氣等方面的用法?？枷蛞?can, could 與 be able to 的用法1 表示能力，意為能，會(huì)2學(xué)必求其心得，業(yè)必貴于專(zhuān)精? Many people can use the computer許多人會(huì)用電腦.? If you have a good sleepyou will be abl

3、e to work out this problem. 如果你好好睡一覺(jué)，你將能夠解出這道題.? I could have worked out the problem but I was too nervous我本來(lái)可以解決這個(gè)問(wèn)題，但我太緊張了 .2. can/could 表示驚訝，常用在否定句和疑問(wèn)句中。? How can you treat me like that?你怎么能那樣對(duì)我？3. can/could 表示禮貌地請(qǐng)求別人做某事，意為能，可以“。? Can I have a word with you It won t take long （表示請(qǐng)求）我可 以和你談?wù)剢?？不?huì)花很

4、多時(shí)間的.【易混辨析】can 和 be able to 用法上的區(qū)別1. can 只有兩種時(shí)態(tài)，即 can 和 could 而 be able to 有多種時(shí)態(tài)， 女口was/were able to will/shall be able to, have/has been able to 等。Ill be able to drive the car in a week.Through his dilige nt work， the dea mute has bee n able tc read andwrite in a sig n Ian guage.2. 表示過(guò)去通過(guò)努力終于做成了某事要

5、用be able tq 而不能用學(xué)必求其心得，業(yè)必貴于專(zhuān)精3canoI was able to swim to the bank after the boat turned over.can 和 be able to 都可以表示能力。can 泛指一般的能力；4be able to 則主要指具體做到了某件事的能力，其形式主要是靠 be 發(fā)生變化，所以形式比 can 多。3. can 能表猜測(cè),be able to 不能.can 的這種用法主要用于疑問(wèn)句 和否定句。其肯定形式是 must beSomebody is knocking at the door. Who can it be?It ca

6、n t be our teacher who is knocking at the door4。can 可以表允許，與 may 可以互換，此時(shí)不能用 be able to 代替。-Can / May I sit here?Yes, please.口虎側(cè)劃斬1。（2018 北京卷單項(xiàng)填空）In today s information age, the loss c data_ cause serious problems for a compa nyA. n eedB。 shouldC。 canD。must【參考答案】C【答案解析】考查情態(tài)動(dòng)詞。句意：在今天的信息時(shí)代，數(shù)據(jù)的丟 失有時(shí)會(huì)對(duì)一個(gè)公

7、司造成嚴(yán)重的問(wèn)題。數(shù)據(jù)丟失造成嚴(yán)重問(wèn)題是客 觀上會(huì)發(fā)生的情況，即“客觀可能性”，故該空應(yīng)用情態(tài)動(dòng)詞 can.C 選項(xiàng)正確。其余情態(tài)動(dòng)詞均沒(méi)有該用法。need 需要；should 應(yīng)該，竟然；must 必須，肯定.2. （2017 -北京卷單項(xiàng)填空）Samuej the tallest boy in our class學(xué)必求其心得，業(yè)必貴于專(zhuān)精5學(xué)必求其心得，業(yè)必貴于專(zhuān)精_ easily reach the books on the top shelfA. mustB. shouldC.canD。 need【參考答案】C【答案解析】考查情態(tài)動(dòng)詞.can 表示能力，意為能夠。故答案 為 C。句意:

8、塞繆爾一-我們班個(gè)子最高的男孩-能夠輕松地夠到架 子頂層上的書(shū)。考向二 may 與 might 的用法1表示請(qǐng)求、 允許時(shí)， might比 may的語(yǔ)氣更委婉一些， 否定回答 時(shí)要用 mustn t，表示不可以禁止阻止”之意。? May I play basketball this after noo?No， you mustn t。今天下午我可以打籃球嗎？不，不行2.Hmay/might as well +動(dòng)詞原形意為最好，倒不如 ,may/ might wel+動(dòng)詞原形，意為H很可能“。? He may/ might well stay in Beijing now他現(xiàn)在很可能呆在北京.?

9、 If you think the price of beef is too high，you might as well buy some pork。It depends on you如果你認(rèn)為牛肉太貴的話，你不妨買(mǎi)些豬肉你自己決定.學(xué)必求其心得，業(yè)必貴于專(zhuān)精6誤警示might為may 的過(guò)去式，但也可以代替 may 語(yǔ)氣較為 婉轉(zhuǎn)客氣或更加不肯定。He might not come today.今天他也許不來(lái)了。（語(yǔ)氣不肯定）You might also get a headache whe n you worktoo hard.當(dāng)你工作太努力時(shí)，你也可能患頭痛.You _ feel al

10、l the training a waste of time but rm a hundredpercent sure later you II be grateful you did itA。shouldB. needC。shallD. may【參考答案】D【答案解析】句意：你可能覺(jué)得所有的訓(xùn)練都是浪費(fèi)時(shí)間，但是我有 100%的把握你以后會(huì)感激它的。should 應(yīng)該；need 需要；shall 將會(huì)； may （不確定）可能。所以選 D?？枷蛉?must 與 need 的用法1. must 用于否定句，表示禁止，表示說(shuō)話者的命令或指令，語(yǔ)氣比較強(qiáng)烈.? You mustn t play w

11、ith the knife or you may hurt yourse。你千萬(wàn)不 要玩學(xué)必求其心得，業(yè)必貴于專(zhuān)精7刀，否則會(huì)傷到自己。2. must 表示必要性，意為必須” ? Progress must lead to a better life anda better way of doing things.發(fā)展一定會(huì)促成一種更好的生活，更好的做事情的方法。3. must 表示偏執(zhí)、固執(zhí)，意為”非得，偏要“。If you must go, at least wait until the storm is over如果你非要走的話，至少等到暴風(fēng)雨結(jié)束。must 開(kāi)頭的疑問(wèn)句，其否定回答通常

12、用 don t havto 或 needn t。而不用 mustn .tMust I finish my homework first? 我必須先完成作 業(yè)嗎？-No， you dont have to/ needn不，你不必。can 和 must 在表推測(cè)時(shí)，can 一般用于否定句中， 而 must 常用于肯定句中。It can not be Li Lei.那個(gè)人不可能是李磊。It must be Li Lei。那個(gè)人肯定是李磊。【易混辨析】must 禾口 have to1。表示必須、必要。學(xué)必求其心得，業(yè)必貴于專(zhuān)精8在回答引出的問(wèn)句時(shí)，如果是否定的，不能用 mustn t（禁 止，不準(zhǔn)），

13、而用 needn t/don t have to （不必）.-Must we hand in our exercise books today?Yes, you must.-No , you don t have to / you needn t.2。 must 是說(shuō)話人的主觀看法，而 have to 則強(qiáng)調(diào)客觀需要。 must 只有一般現(xiàn)在時(shí)，have to 有更多的時(shí)態(tài)形式。The play isn t interesting I really must go nowI had to work whe n I was your age3。 表示推測(cè)、可能性，只用于肯定的陳述句.You re

14、 Toms good friend, so you must know what he likes bestoYour mother must be wait ing for you now4。need 的用法:(1)情態(tài)動(dòng)詞，需要，有必要，一般用于否定句或疑問(wèn)句中。You n eedn t come here this after noon 你今天下午不必來(lái)。(2)行為動(dòng)詞，需要，有必要，可以用于各種句式中.You don t n eed to go now.你不必現(xiàn)在就走。I need to have a rest 我需要休息一下。學(xué)必求其心得，業(yè)必貴于專(zhuān)精9Do we need to f

15、in ish all the work today? 我們今天需要完成所有 的工作嗎？【巧學(xué)妙記】學(xué)必求其心得，業(yè)必貴于專(zhuān)精衣 4 （、a #、叭 4 #、興 4 、a*曲 4#、赴h（、興#、叭 4 #、靈h（、a #、貳、4 #、亂 4 壬、a #、倉(cāng)、4 #、靈 4 衣氏#、叭 4 #、敘 4 杳、興#、去 4 #、衣、10need 的用法助記口訣實(shí)義動(dòng)詞表需要， 后接名、 代、 不定式 need后接動(dòng)名詞，主動(dòng)形式表被動(dòng)。情態(tài)動(dòng)詞表需要，沒(méi)有人稱(chēng)、數(shù)之變。其后直接加動(dòng)原，多用疑問(wèn)與否定?！疽谆毂嫖觥縟are 禾口 need1。dare 作情態(tài)動(dòng)詞用時(shí)，常用于疑問(wèn)句、否定句和條件從句中，

16、 過(guò)去式形式為 daredHow dare you say rm un fair?He daren t speak English before such a crowd dare he?If we dared not go there that day, we could nt get the beautiful flowerso2。 n eed 作情態(tài)動(dòng)詞用時(shí)，常用于疑問(wèn)句、否定句。在肯定句中一般用 must, have to， ought to, should 代替.You needn t come soearlyNeed I finish the work todayYes, you

17、must/ No， you needn t。3。 dare 和 need 作實(shí)義動(dòng)詞用時(shí)，有人稱(chēng)、時(shí)態(tài)和數(shù)的變化. 在肯定句中，dare 后面常接帶 to 的不定式。在疑問(wèn)句和否定句 中，dare 后面可接帶 to 或不帶 to 的不定式。而 need 后面只能 接帶 to 的不定式。I dare to swim across this river學(xué)必求其心得，業(yè)必貴于專(zhuān)精11He doesn t dare (to) answer.He n eeds to finish his homework today1。一 Cant you stay a little longerIt (setting

18、 lateo I really_ go now, My daughteris homealo nebA .mayB .ca nC . mustD .dare【參考答案】C【答案解析】句意：一一你不能再多待會(huì)兒?jiǎn)?？?-很晚了，我必須 得走了。我女兒一個(gè)人在家。A. may 可能，可以，也許；can 能，會(huì)； Comust必須必然要，必定會(huì)；Dodare 敢，膽敢。結(jié)合句意，故選 Co2. You_ be careful with the camera It costs!AomustB. mayCocanD.will【參考答案】A【答案解析】考查情態(tài)動(dòng)詞。根據(jù)下文的 it costs 可知,照相

19、機(jī)很昂貴，可推斷此處是說(shuō)， 你一定要非常小心對(duì)待照相機(jī).故選 Aomay 可能；can 能夠，有時(shí)會(huì)；will 會(huì)，愿意?？枷蛩?will 與 would 的用法1 表示請(qǐng)求、建議等，would 比 will 委婉客氣.12學(xué)必求其心得，業(yè)必貴于專(zhuān)精? Would you mind opening the window for me?請(qǐng)你給我打開(kāi)窗戶好嗎？2. will 和 would 表示意志、愿望和決心.? I will never talk to him again我再也不愿意和他說(shuō)話了。3. will 可以表示一種習(xí)慣性的動(dòng)作，有”總是或”總要”之意Fish will die with

20、out wate。沒(méi)有水，魚(yú)會(huì)死去。1. （2018新課標(biāo) II 卷短文改錯(cuò)） As 匹 kid, I loved to watchacarto ons, but no matter how many times I asked topare nts would not to let me【參考答案】刪除 let 前的 to【答案解析】would 后跟動(dòng)詞原形，故把 to 刪除。考向五 shall, should 與 ought to 的用法1. shall 用于第一、第三人稱(chēng)疑問(wèn)句中，表示說(shuō)話人征求對(duì)方的意見(jiàn) 和向?qū)Ψ秸?qǐng)示。? Shall we begi n our new less on

21、today?我們今天開(kāi)始上新課好嗎？2. shall 用于第二、第三人稱(chēng)陳述句中，表示說(shuō)話人給對(duì)方的命令、警告、允諾或威脅You shall be puni shed for what you have done.watchi ngthem, mywatch13學(xué)必求其心得，業(yè)必貴于專(zhuān)精你必須為你的所作所為受到懲罰。3. should 表示義務(wù)、職責(zé)等，意為”應(yīng)該“。? You should be strict with yourself as an officer.作為一名官員，你應(yīng)該嚴(yán)格要求自己.4. ought to 表示應(yīng)該。? You ought not to be late for

22、 such an important meeting這么重要的會(huì)議你不應(yīng)該遲到的.5. shall 還可表示法律、規(guī)定和條例中規(guī)定的”應(yīng)該“。Whoever drives through a red light shall be fined at least 20uan不論誰(shuí) 駕車(chē)闖紅燈，罰款至少 200 元。【易混辨析】should, ought to1。 should, ought to 表示應(yīng)該，ought to 表示義務(wù)或責(zé)任， 比 should 語(yǔ)氣重。I should help her because she is in trouble.You ought to take care

23、 of the baby.2。 表示勸告、建議和命令.should ought to 可通用，但在疑問(wèn)句中常用 shouldoYou should / ought to go to class right awayShould I ope n the win dow?143。表示推測(cè)，should ought to 客觀推測(cè)），must （主觀推測(cè)）。He must be home by now （斷定他已到家）He ought to/should be home by now （不太肯定）學(xué)必求其心得，業(yè)必貴于專(zhuān)精This is where the oil must be.（直爽）This

24、is where the oil ought to/should be.（含蓄）考向六情態(tài)動(dòng)詞表推測(cè)的用法1. can 用于肯定句中表示客觀的可能性，意為有時(shí)會(huì)；用于疑問(wèn)句中可以表示推測(cè)，意為可能，有時(shí)表示一種驚訝的語(yǔ)氣；用于否定句中也可以表示推測(cè)，cant 意為不可能，語(yǔ)氣很強(qiáng)烈。? As we all know an experieneed teacher can make mistakes.眾所周知，一位有經(jīng)驗(yàn)的老師也會(huì)犯錯(cuò)。? He cant have left His coat is here.他不可能已經(jīng)走了。他的外套還在這里。? Mr Bush is on time for ev

25、erything. How can it be that he was late for themeet ing?布什先生做什么事情都很準(zhǔn)時(shí)，他怎么可能開(kāi)會(huì)遲到 呢？2. may/might 用于肯定句中可以用來(lái)表示不十分肯定的推測(cè)， 意為 有可能“；用于否定句中也可以表示推測(cè)，may not 意為”可能不“， 表示一種不太確定的語(yǔ)氣。? What are you doing this Saturday-Im not sure butjmight go to the Rolli ng Stones concert15-本周六你打算干什么？-還說(shuō)不定，但我可能會(huì)去滾石音樂(lè)會(huì)。3. must 表示

26、推測(cè)時(shí)只能用于肯定句中，意為一定，必定，表示十分肯定的語(yǔ)氣（在疑問(wèn)句中或否定句中要用ca n/could）。學(xué)必求其心得，業(yè)必貴于專(zhuān)精? Some one must have used my umbrella yesterday. I found itJ 處 找不到他們，他們可能到什么地方去呢？4. could have done是虛擬語(yǔ)氣， 表示對(duì)過(guò)去事情的假設(shè)， 意思是本來(lái)能夠做某事 而沒(méi)有做。? He could have passed the exam, but he was too careles 本來(lái)他學(xué)必求其心得，業(yè)必貴于專(zhuān)精能夠通過(guò)考試，但是他太粗心。5。 may have d

27、one 表示對(duì)發(fā)生過(guò)的事情的推測(cè)，意思是可能已經(jīng)或也許已 經(jīng)，用于肯定句中。? -What has happened to Georg？e 喬治發(fā)生了什么事？ I don tknow. He may have got lost。 我不知道 ,他可能迷路 了。6。 might have done表示對(duì)過(guò)去事情的推測(cè)，might 與 may 意思相同，但可能性更小。多用于虛擬語(yǔ)氣結(jié)構(gòu)中。? She might have achieved greater progre， ss if you had given her morechances如果你多給她點(diǎn)機(jī)會(huì)，她可能已經(jīng)取得了更大的成績(jī)。7. wou

28、ld have done虛擬語(yǔ)氣，表示對(duì)過(guò)去事情的假設(shè)，意思是本來(lái)會(huì)O? I would have told you all about the boys story, but you dmeO我本來(lái)會(huì)告訴你這個(gè)小男孩的故事，但是你沒(méi)有問(wèn)我 .8 . s h ould have done意 思 是 本 來(lái) 應(yīng) 該 做 某 事 , 而 實(shí) 際 沒(méi) 做 . shouldn18t+have+done表示本來(lái)不應(yīng)該做某事，而實(shí)際做了 含有 指責(zé)對(duì)方或自責(zé)的含義。? Tom，you are too lazyOThe work should have been finishedyesterdaOy 湯姆，

29、你太懶惰了，這項(xiàng)工作本來(lái)應(yīng)該昨天就做完的 .? Look， Tom is crying. I shouldn t have been so harsh on hi學(xué)必求其心得，業(yè)必貴于專(zhuān)精看，湯姆哭了，我本不應(yīng)該對(duì)他如此嚴(yán)厲的.9. ought to have don表示過(guò)去應(yīng)該做而實(shí)際并沒(méi)有做，譯成理應(yīng)做.，往往表示遺憾.與should have don用法基本一樣。? I ought to have go ne home last Sun da 我理應(yīng)上星期日回家。? You ought not to have given him more help你不應(yīng)該幫助他那 么多。10. need

30、 have done表示本來(lái)需要做某事而實(shí)際沒(méi)有做。needn t have done則表示本來(lái)不需要做某事而實(shí)際做了? I needn t have bought so much win only five people came. 我本來(lái)沒(méi)有必要買(mǎi)這么多酒，只來(lái)了五個(gè)人。? He need have hurried to the station. In that cas， he wouldn t havemissed the train 他本來(lái)需要快點(diǎn)去車(chē)站的，那樣的話 他就不 會(huì)誤了火車(chē).Sorry， Mum! I failed the job in terview aga in.19-

31、Oh， its too bad. Youhave made full preparati ons.A。 mustBocanC. wouldDoshould【參考答案】D學(xué)必求其心得，業(yè)必貴于專(zhuān)精【答案解析】考查情態(tài)動(dòng)詞+have done 結(jié)構(gòu)。句意：- 對(duì)不起，媽媽?zhuān)颐嬖囉质×恕Ｒ?噢，那太糟糕了，你應(yīng)該做好充分準(zhǔn)備的。A.must 必須；B。can 可以；C.would 將會(huì);D。should 應(yīng)該。can have done表示對(duì)過(guò)去行為的懷疑，用于疑問(wèn)句，譯成可能做過(guò).嗎？； could have done 表示對(duì)過(guò)去事情的假設(shè)，意思是本來(lái)能夠做 某事而沒(méi)有做；must have

32、done表示對(duì)過(guò)去事情的肯定推測(cè)，譯 成“ 一定做過(guò)某事，該結(jié)構(gòu)只用于肯定句；should have done的意思是本來(lái)應(yīng)該做某事，而實(shí)際沒(méi)做。故選 D。G 檢測(cè)訓(xùn)練4題組一一基礎(chǔ)過(guò)關(guān)I. 用適當(dāng)?shù)那閼B(tài)動(dòng)詞填空1。_Can you help me? I n ever un dersta ndthis.2。 _you tell me what time it is, please?3。_Henry walk whe n he was one year old4。_ We are going for a walk.you like tojoi n us?5。 Tom, you_ leave yo

33、ur clothes on the floor like this.206。 The road is wet It_ have rained last ni ght7。 He has waited outside for half an hour _ he come in8。_ These flowers have diedYou_ have watered them9。 _she be ten years old n ext mon th?10。 I_ have hurt your feeli ngs but it was not my inten ti on.學(xué)必求其心得，業(yè)必貴于專(zhuān)精I(xiàn)I

34、 。 單項(xiàng)填空1. You_ give me a lift. I want to walk home for exerciseA.needntB。 couldntC.cantD 。mustnt2.Remember that in some countrie，s you _ take flowersof a certain colou，r because theyre unlucky.A。 could notB。 needntC。 may notD.mustnt3. Being young generations in Chin，a _ they take up allof the challe

35、nges and opportunities that this countryoffers？ Absolutely。A。 mustn tB. mightntC。shouldntD. couldn t4。 -_yo u interrupt now? Cantyou see Im on thephone?Sorry, sir，but it s an emergency。21A。 CanB. ShouldC。 MustD。 Would5. It is said that people _ reduce the risk of catching someserious diseases by exe

36、rcising.A。 mustB。 canC。 wouldD 。need6. I was very surprised that that little child _ have said such22學(xué)必求其心得，業(yè)必貴于專(zhuān)精rude words to his parents.A. mightB。 couldshould7. My phone _can t find it anywhere。A 。 can B.m D.would8。 You _accepted checksA。could nt have take nC.shouldnt have taken9. Without your h

37、elp，we _thank you enough。A.cant finishCocant have finishedfinished10. -Bob didnt pass this exam.What a pity！He _A. should study hardC. would have studied hardCowouldD.have been stolen while I was taking a bus. ICoshouldso much cash with yo，u you know - that shopB.wouldnht ave takenD.neednt have take

38、n ourtask on timeoI cannotB.couldnt finishD.couldnt haveBoshould have studied hardD. could have studiedhard2324學(xué)必求其心得，業(yè)必貴于專(zhuān)精題組二能力提升用適當(dāng)?shù)那閼B(tài)動(dòng)詞完成下面短文Miss Fang could nt read for very long without gett ing a headache Hermother told her that she _1_go to the Health Serviceand seea doctor。You should see a d

39、octor as soon as possible she said You _2_n eedglassesWhen Miss Fang had free time, she went to the Health Service. Theappointment clerk said that the doctor _3_see her at 30。Miss Fang replied that she would not be able to be there at 3: 30because she had a class the nThe doctor _4_take you at about

40、 ten to four,the appo in tme nt clerk suggested_5_I put you down for ten to four , or would you rather cometomorrow ?Miss Fang thought she _6 (not) waste any more time The teacher shouldnt be un happy if she asked for permissi on to leave the class a little early, ashe was always so kind to every on

41、e. And she replied think I _7_make it atten to fouMiss Fang went to the class She asked her teacher _8_I leave at 3:45 today? I _9_have an eye exam in ati on. As expected,the teacher said Yes, of course you _10_.25題組三體驗(yàn)真題26學(xué)必求其心得，業(yè)必貴于專(zhuān)精1。 （ 2017 天津）My room is a mess but I_clea n it before Igo out to

42、nighto I can do it in the morning.A. dare ntB。shouldn tC. n eed n tD. must nt2。 （2016 -天津）It was really annoying I_ get access to the databank you had recomme ndedA. would ntB. could ntC. should ntDoneedn t3.（2016-浙江）Georgetoo far .His coffee is still warm .A。 must have goneB. might have goneCocant

43、have goneD. neednt have gone4o（ 2015 ?重慶）Yoube Carol. You have nt chaafter all these years.AomustBocanCowillDoshall產(chǎn)答案解析題組一基礎(chǔ)過(guò)關(guān)Io用適當(dāng)?shù)那閼B(tài)動(dòng)詞填空1ocan 2. Could/Can3ocould4. Would275omustn t學(xué)必求其心得，業(yè)必貴于專(zhuān)精10。 mayII. 單項(xiàng)填空1. A 【解析】考查情態(tài)動(dòng)詞。句意：你不必讓我搭便車(chē) .為了鍛煉 我想走回家.n eedn t 不必；could nt（過(guò)去）不能；can t 不能； mustn t 禁止。故選 A.2。 D 【解析】考查情態(tài)動(dòng)詞。句意 :記住在一些國(guó)家，你不能帶某些顏色的花，因?yàn)樗鼈兪遣恍疫\(yùn)的。這里表示禁止用 mustn t。could not 不能（表示能力）；needn t 不必；may not 可能不 .故選 D.3。 C 【解析】考查情態(tài)動(dòng)詞。句意：作為中國(guó)的年輕一代,難道他們