【正文】 她本可以坐9點的火車去的，坐火車舒服得多，安全得多。willed man. A．would be B．would have been C．must be D．must have been 【解析】 D　考查情態(tài)動詞。20．[2010陜西卷] —May I take this book out of the reading room? —No，you________. You read it in here. A．mightn39。江西卷] I have told you the truth. ________ I keep repeating it? A．Must B．Can C．May D．Will 【解析】 A　考查情態(tài)動詞的用法。24．[2010can39。27．[2010重慶卷] You ________ park here! It39。29．[2010t C．couldn39。青島市模擬)—May I tell this to my close friend?—No， let anybody else know about it.A．needn’t B．shouldn’tC．mustn’t D．can’t解析：　由“決不可以讓其他任何人知道”可知選C，mustn’t 表示“不允許，不可以”，語氣強烈。句意為：由于不必去商店或者擁擠的購物中心，網(wǎng)上購物能夠節(jié)省大量時間。濟寧市第一次聯(lián)考)—Did you punish him for losing your digital camera?—Yes，but I don’t think I________.A．should do that B．need to have done soC．ought have done that D．should have done so解析：　考查情態(tài)動詞的用法。句意為：盡管合肥十一月的時候常常很暖和，但有時候可能會很冷?！娴膯?？她一定很努力了。這里選B項表示允諾?！欢ㄒ呀?jīng)啟程了，他是一個守信的人。這里考查的是對過去情況的假設(shè)，從句用had done，主句用would/could/might have done。從句用了與過去相反的虛擬語氣，但主句與現(xiàn)在情況相反，故選A項。合肥二模)—Did you make it at last?— for your help，it________a serious loss.A．would cause B．must have causedC．would have caused D．may cause解析：　考查虛擬語氣。wish 后的賓語從句用虛擬語氣，此處表示與過去事實相反，意思是：我希望我(過去)更努力地學習英語了。答案：　D17．(2011答案：　D15．(2011吉林長春畢業(yè)班第一次調(diào)研)—Has Tim started？He said he would join in the party.— is a man of his word.A．could have left B．must have leftC．can’t e D．won’t be ing解析：　根據(jù)He is a man of his ，因此推測他肯定已經(jīng)啟程了。答案：　C12．(2011浙江嘉興摸底)—Mary’s score on the test is the highest in her class.—Really？She ________have studied very hard.A．may B．ought toC．must D．should解析：　may have done可能已經(jīng)……；ought to have done 本應(yīng)該……；must have done一定曾……，一定已經(jīng)……；should have done 本應(yīng)該……。合肥第二次教學檢測)It ________be really cold in Novermber in Hefei though we usually have warm and sunny days.A．should B．willC．must D．can解析：　考查情態(tài)動詞?！?，真的嗎？那題目一定不難。答案：　C4．(2011might have done 表示對過去一種不太肯定的推測。ll give me horrible dreams. A．shouldn39。由句意“這里是緊急出口”，可知此處不允許停車，所以用mustn39。t have done 本沒有必要做某事，實際上做了。句意為：教師們建議：為了孩子們的安全，父母不應(yīng)讓12歲以下的孩子騎自行車去學校。t B．needn39。t worry. You ________have it by Friday. A．could B．shall C．must D．may【解析】 B　本題考查情態(tài)動詞。t。句意為：你沒有必要買禮物，但如果你想買的話，你也可以買。根據(jù)Had I known提示，可知此句是虛擬語氣，且與過去事實相反，故主句謂語用would have done的形式。18．[2010s much more fortable and safer to travel by train. A．could have taken B．should take C．must have taken D．can take 【解析】 A　考查情態(tài)動詞的用法。s hard to believe that such a greedy man________ donate so much to Project Hope. A．may B．need C．can D．shall 【解析】 C　考查情態(tài)動詞的特殊用法。11．When the ship sailed out from Thailand, the 16 sailors on board ______ that only half of them would return again. A．will never think B．can never think C．needn39。在一般疑問句或特殊疑問句中表推測時常用can或could，推測發(fā)生過的事情時情態(tài)動詞后要接完成式，只能選B。 took B．have taken。”2． [20091．—Everyone in my class passed the exam. —Oh，really？It ________ difficult. A．can39。5． 【誤】 The fire spread through the hotel quickly, but everyone could get out. 【正】 The fire spread through the hotel quickly, but everyone was able to get out. 【解析】 表示在過去成功地做到了某事，肯定句中通常用was/were able to do sth.。2． 【誤】 I didn39。如： May you succeed！祝你成功！ Long live the People39。s high time we got up/should get up. 我們早該起床了。4． 虛擬語氣在狀語從句中的用法 在as if/though引導的狀語從句中，謂語動詞用過去式表示與現(xiàn)在相反的情況；用過去完成式，表示與過去相反的情況等。s required that every student be on time for school. 要求每個學生準時到校。(將來) I wish that he had not made so much fuss about it. 我希望他不要把事情搞大了。t do it much better like this. 如果他不聽我的建議，他就不會干得這么好了。1． 虛擬語氣在條件句中的用法 　if從句主句與現(xiàn)在事實相反if＋主語＋動詞過去式主語＋should/would/could/might＋動詞原形與過去事實相反If ＋主語＋had＋過去分詞主語＋should/would/could/might＋ have＋ 過去分詞與將來事實相反(1) if＋主語＋動詞過去式主語＋should/would/could/ might＋動詞原形(2)if＋主語＋were to＋動詞原形(3) if＋主語＋should＋動詞原形If it were to rain tomorrow, I should not drive my car. 如果明天下雨的話，我就不開車了。t/couldn39。would更委婉 表示某種傾向或習慣性動作 ①Fish will die without water. ②Every time she was in trouble，she would turn to him for help. (would指過去某一段時間的情況，常與表示過去的時間狀語連用，意為“總是，總會”，后面只能接動作性的動詞。t dare (to) go out alone at night. (在否定句中to有時可省略) 情態(tài)動詞意義 例句 備注 shall 表示征詢意見。t.①need可以作實義動詞，用于各種句式。如：They had to speed up, for the weather turned terrible. ②Must I/we…？的否定回答不能用mustn39。如：Because he practised hard, he was able to pass the driving test. 情態(tài)動詞意義 例句 備注 can/could允許(有時可與may互換) Can/May I have a look at your photos？ can與could、may與might不表時態(tài)差異，只是語氣上的差別，could/might比can/may更委婉。一般句末有時間狀語，或有語境暗示。t have discovered the truth. ①對現(xiàn)在的行為或狀態(tài)的推測：must/may/might/can/could＋do ②對過去的行為或狀態(tài)的推測：must/may/might/can/could have done may/might(might可能性小于may)可能可能性較小，尤其might最不肯定肯定句、否定句(可能不)can/could (could可能性小于can)可能情態(tài)動詞在近五年高考中主要考查四點：情態(tài)動詞表示推測和可能性的用法；情態(tài)動詞與虛擬語氣；情態(tài)動詞表達“情感、態(tài)度、語氣等”；情態(tài)動詞表示 “必要性”等方面的用法。如