【正文】 19. can’t be working 16. May14. must be talking12. shall 10. Ought must8. Can。6. needn’t5. shall4. should3. mustn’t2. mayThe light is out. They _______________________ (not work) now.20.He had known the matter before you told him, so you _____________________ (not tell) it to him.18.They _____________________ (miss) the plane, or perhaps they have been prevented from ing for some reason.16.You _____________________ (see) the film, haven’t you?14.You ____________ be tired after the long trip, aren’t you?12.As a girl, she ____________ get up at six every day.10.__________ this book be yours?She ____________. I’ve already borrowed one.7.It has been announced that candidates_____________ remain in their seats until all the papers have been collected.6.Tom, you ___________ not leave all your clothes on the floor like this!4.I should have been there, but I ____________ find the time.2.答案　had Bob walked farther(或if Bob had walked farther)實(shí)戰(zhàn)演練與答案解析填入情態(tài)動(dòng)詞的恰當(dāng)形式或根據(jù)括號(hào)所提供的詞填入情態(tài)動(dòng)詞恰當(dāng)?shù)慕Y(jié)構(gòu)。答案　should20．What would have happened ________(walk)，as far as up to the river bank.解析　因?yàn)橹骶涞闹^語(yǔ)動(dòng)詞用了would have happened，所以從句的謂語(yǔ)動(dòng)詞要用過(guò)去完成時(shí)。答案　had not fallen19．You can39。答案　may18．It is hard for me to imagine what I would be doing today if I ________(fall)in love，at the age of seven，with the Melinda Cox Library in my hometown.解析　根據(jù)句意和I would be doing可以判斷這是虛擬語(yǔ)氣。t17．—Is John ing by train.—He should，but he ________ likes driving his car.解析　e，go，leave，start等趨向動(dòng)詞的進(jìn)行時(shí)表示將來(lái)時(shí)，所以答語(yǔ)是對(duì)這一將來(lái)動(dòng)作做出的推斷。t是其否定形式。答案　would not have won16．There ________ be any difficulty about passing the road test since you have practised a lot in the driving school.解析　根據(jù)經(jīng)驗(yàn)或慣例對(duì)某一情況進(jìn)行推測(cè)，用should或ought to，常譯成“按理應(yīng)該……”或“可能會(huì)……”。s the office！So you ________ know eating is not allowed here.—Oh，sorry.解析　從前后文可知，此處是一種很肯定的推測(cè)。should用在if或even if引導(dǎo)的表示條件的從句中，表示一件事聽(tīng)起來(lái)可能性很小，但也不是完全沒(méi)有可能，相當(dāng)于“萬(wàn)一”的意思，從句謂語(yǔ)由should加動(dòng)詞原形構(gòu)成，主句不一定用虛擬語(yǔ)氣。此處用can表示可以、能夠。答案　shouldn39。m not feeling well in the ________(eat)so much fried chicken just now.解析　just now是表示過(guò)去的時(shí)間狀語(yǔ)。t have attended10．He hesitated for a moment before kicking the ball，otherwise he ________(score)a goal.解析　根據(jù)otherwise可以判斷出要用虛擬語(yǔ)氣表示過(guò)去發(fā)生的事要用would have scored。所提供的情境My sister met him at the Grand表示他不可能參加講座。t(couldn39。答案　might8． is on time for ________ it be that he was late for the opening ceremony.解析　can表示可能性的推測(cè)，常用于疑問(wèn)句或否定句中。m not ________ go to the concert instead.解析　根據(jù)I39。答案　can7．—Are you ing to Jeff39。答案　needn39。t，因?yàn)閙ustn39。t或No，you don39。答案　shouldn39。答案　ought to have4．I was really anxious about ________(leave)home without a word.解析　該空含你本不應(yīng)該一句話不說(shuō)就離開(kāi)家但實(shí)際已這么做之意，所以應(yīng)填shouldn39。s ________ e，but why didn39。說(shuō)話人希望他受到表?yè)P(yáng)，而will表示的是句子的主語(yǔ)的意愿，那樣意思就是“他愿意受到表?yè)P(yáng)”，顯然不對(duì)。 1用適當(dāng)?shù)那閼B(tài)動(dòng)詞或虛擬語(yǔ)氣填空1．He ________(bee)fatter but he eats too little.解析　根據(jù)語(yǔ)意知道我們可以在but he eats too little前加上一個(gè)省去的條件狀語(yǔ)從句if he ate much，由此可知是與現(xiàn)在時(shí)相反所以主句用would bee。答案　would have e 黃金口訣虛擬用在名從中，should do結(jié)構(gòu)要記清；一個(gè)堅(jiān)持兩命令，三個(gè)建議四要求；It做主后有形，奇怪重要自然行；Wish之后有賓從，虛擬時(shí)態(tài)退一層；As if/if only/would rather，時(shí)態(tài)也要退一層；It39。句意：我不知道他們一直在等我，要不然我肯定會(huì)迅速點(diǎn)兒。t know that they were waiting for me.解析　考查虛擬語(yǔ)氣。根據(jù)語(yǔ)境可知空格處所表達(dá)的意思與過(guò)去事實(shí)相反，需用“should/would/could/might＋have＋過(guò)去分詞”結(jié)構(gòu)。as if意為“好像”，分析句意可知as if后面的句子須使用虛擬語(yǔ)氣，并且所述情況是對(duì)現(xiàn)在事實(shí)的假設(shè)，因此使用一般過(guò)去時(shí)。答案　were to live【典例23】 Don39。根據(jù)wouldn39。t want to move to New York because she thinks if she ________(live)there，she wouldn39。My idea is that we(should)think it over before accepting 。(2)用于主語(yǔ)從句中It is desired / suggested/ necessary /important / strange / natural＋that從句，從句中的謂語(yǔ)動(dòng)詞用“should＋動(dòng)詞原形”，should可省略。賓語(yǔ)從句中的虛擬語(yǔ)氣結(jié)構(gòu)為“should＋動(dòng)詞原形”，should可以省略。 答案　came 虛擬語(yǔ)氣在名詞性從句中的運(yùn)用(1)用于賓語(yǔ)從句中wish后面的賓語(yǔ)從句一般用虛擬語(yǔ)氣，表示一種不可能實(shí)現(xiàn)的愿望。 答案　not be cancelled22．I would rather they ________(e)tomorrow. 解析　would rather后的賓語(yǔ)從句中表示對(duì)將來(lái)的愿望時(shí)，要用過(guò)去時(shí)。advice的同位語(yǔ)從句用虛擬語(yǔ)氣。句意：有人建議應(yīng)當(dāng)舉辦一些活動(dòng)來(lái)慶祝改革開(kāi)放第30周年。s suggested that some activities ________(hold)to celebrate the 30th anniversary of the Reform and Opening up. 解析　考查主語(yǔ)從句的虛擬語(yǔ)氣。s(high/about)time that...”句型，從句謂語(yǔ)應(yīng)用過(guò)去式或“should＋動(dòng)詞原形”。s high time that he ________(do)something instead of just talking.(2012?遼寧) 解析　句意：Jack總愛(ài)夸夸其談，他該做點(diǎn)事了，而不是僅僅空談。 答案　weren39。wish后跟that從句，從句部分采用虛擬語(yǔ)氣，與現(xiàn)在事實(shí)相反的用一般過(guò)去時(shí)，與過(guò)去事實(shí)相反的用過(guò)去完成時(shí)。s going to be pletely ruined.—I wish they ________(be)always late.(2011?北京) 解析　句意：——孩子們都到哪里去了？這