【文章內(nèi)容簡(jiǎn)介】 我將告訴他們真相，本題if引導(dǎo)的是一個(gè)虛擬的條件句，在虛擬句中，be用were，主句通常用過(guò)去的一種，will應(yīng)該用would，故本題選B。考點(diǎn)：if引導(dǎo)的虛擬條件句。點(diǎn)評(píng)：在英文中條件句有兩種，一種是真實(shí)的條件句，if后遇到將來(lái)時(shí)用一般現(xiàn)在時(shí)，一種是虛擬的條件句，if后用過(guò)去時(shí)，be用were，在英文的實(shí)際使用中應(yīng)該注意它們的區(qū)別。19．What would you do if you ____ a million dollars?I’d give it to the charityA．win B．won C．will win D．is to win【答案】B【解析】試題分析：句意：如果你贏了一百萬(wàn)美元，你要做什么？——我會(huì)把它捐給慈善機(jī)構(gòu)。結(jié)合語(yǔ)境可知條件從句中描述的是與將來(lái)相反的事實(shí)，故用一般過(guò)去時(shí)態(tài)，選B?？键c(diǎn)：if引導(dǎo)的條件狀語(yǔ)從句點(diǎn)評(píng)：虛擬語(yǔ)氣是一種特殊的動(dòng)詞形式，用來(lái)表示說(shuō)話人所說(shuō)的話并不是事實(shí)，而是一種假設(shè)、愿望、懷疑或推測(cè)。判斷是真實(shí)條件句還是非真實(shí)條件句。只有在非真實(shí)條件句中才使用虛擬語(yǔ)氣。通過(guò)句子意思，看假設(shè)的條件是否能夠?qū)崿F(xiàn)，能夠?qū)崿F(xiàn)是真實(shí)條件句，不能使用虛擬語(yǔ)氣；假設(shè)的條件不能實(shí)現(xiàn)則是非真實(shí)條件句。與現(xiàn)在事實(shí)相反 若與現(xiàn)在事實(shí)相反，條件從句的謂語(yǔ)用過(guò)去式（be通常用were），主句謂語(yǔ)用“should （would, could, might）+動(dòng)詞原形” 與過(guò)去事實(shí)相反 若與過(guò)去事實(shí)相反，條件從句的謂語(yǔ)用過(guò)去完成時(shí)（had+過(guò)去分詞），主句謂語(yǔ)用“should （would, could, might）+have+過(guò)去分詞”與將來(lái)事實(shí)相反 若與將來(lái)事實(shí)相反，條件從句的謂語(yǔ)用過(guò)去式（be通常用were），主句謂語(yǔ)用“should （would, could, might）+動(dòng)詞原形”：20． If I_______ one million dollars, I would give it to medical research. If I _______ you, I would give it to charity.A．will have, am B．would have, was C．had, were D．have, is【答案】C【解析】考察虛擬語(yǔ)氣。第一空，虛擬語(yǔ)氣，與現(xiàn)在相反，用過(guò)去時(shí)。第二空，虛擬語(yǔ)氣，與現(xiàn)在相反，用過(guò)去時(shí)，be動(dòng)詞用were。故選C21．I don’t understand how you got a ticket. I always you a careful driver.A．think。 are B．a(chǎn)m thinking。 areC．thought。 were D．think。 were【答案】C【解析】【詳解】句意：我不明白你是怎么得到罰單的。我一直以為你是一個(gè)謹(jǐn)慎的司機(jī)?？疾閯?dòng)詞時(shí)態(tài)辨析題。本句是虛擬語(yǔ)氣，與過(guò)去事實(shí)相反，需用一般過(guò)去時(shí)；根據(jù)句意結(jié)構(gòu)，可知選C。22．You should_______ watched TV. There is so much work to do,A．not have B．have not C．not D．not having【答案】A【解析】句意“你本不應(yīng)該看足球比賽，你有許多的工作要做”。本題考查虛擬語(yǔ)氣，shouldn39。t have done本不該做……卻做了。根據(jù)句意，故選A。23．Mr. White _____ at 8:30 for the meeting, but he didn39。t show up.A．should have arrived B．should arriveC．should have had arrived D．should be arriving【答案】A【解析】試題分析：句意：懷特先生本來(lái)應(yīng)該在8：30到會(huì)，但他卻沒(méi)有出現(xiàn)。should have done：本來(lái)應(yīng)該做某事而實(shí)際上沒(méi)做。故選A考點(diǎn)：情態(tài)動(dòng)詞24．If I _______ you, I would say another student could do it better.A．was B．were C．were D．a(chǎn)re【答案】B【解析】【詳解】句意：如果我是你，我會(huì)說(shuō)另一個(gè)學(xué)生可以把它做得更好。考查虛擬語(yǔ)氣。根據(jù)句意可知“現(xiàn)在事實(shí)”相反，此句是虛擬語(yǔ)氣，be動(dòng)詞使用were；故選A。25． Tom is always making so many mistakes in his English exercises! Yeah. If he ________ more careful, he ________ fewer mistakes.A．was。 will make B．is。 would make C．were。 will make D．were。 would make【答案】D【解析】試題分析：句意：湯姆總是在英語(yǔ)練習(xí)中犯那么多的錯(cuò)誤！—如果他能更細(xì)心一些，他就會(huì)犯更少的錯(cuò)誤。表示與現(xiàn)在事實(shí)相反的假設(shè)，If+主語(yǔ)+動(dòng)詞過(guò)去式（be動(dòng)詞用were），主語(yǔ)+would/should/might/could+動(dòng)詞原形。根據(jù)題意及句型，故選D?？键c(diǎn)：考查虛擬語(yǔ)氣的用法。26． What would you do if you won a million yuan? __________.A．I shall give it to charities B．I will buy snacks C．I won’t put it in the bank D．I’d give it to medical research【答案】D 【解析】 試題分析：考查虛擬語(yǔ)氣。句意：如果你有一百萬(wàn)，你會(huì)做什么？ 我會(huì)把它捐給醫(yī)學(xué)研究。根據(jù)上文提到 What would you do if you won a million yuan 這是對(duì)現(xiàn)在的虛擬，所以回答時(shí)用would do ，故選D項(xiàng)。 考點(diǎn)：考查虛擬語(yǔ)氣。27．If I a boss, I would manage a big factory.A．a(chǎn)re B．wasC．were D．be【答案】C【解析】試題分析：句意：如果我是老板，我會(huì)經(jīng)營(yíng)一家大型工廠。由句意可知，此句是虛擬語(yǔ)氣，if引導(dǎo)的從句應(yīng)該用過(guò)去式的形式，其中第一人稱用were，故答案為C?？键c(diǎn)：考查虛擬語(yǔ)氣。28． Had he studied harder, he_______ the exams.A．must have got through B．could get throughC．would get through D．would have got through【答案】D【解析】試題分析：句意:如果他學(xué)習(xí)再努力一點(diǎn)，他就能通過(guò)考試了。must have got through 一定通過(guò)；could get through 可能通過(guò)；would get through 會(huì)通過(guò)；would have got through 會(huì)通過(guò)。這句話中Had he studied 是一種省略倒裝的形式，相當(dāng)于If he had studied harder，是虛擬語(yǔ)氣的用法，從句中用的是過(guò)去完成時(shí)，這時(shí)主句用would +have +過(guò)去分詞。故選D?？键c(diǎn)：考查虛擬語(yǔ)氣。29． — I don’t know what to do.— If I you, I buy a guidebook.A．a(chǎn)m。 will B．a(chǎn)m。 would C．were。 will D．were。 would【答案】D【解析】試題分析：句意：我不知道做什么？如果我是你，我就會(huì)買一本指南。虛擬語(yǔ)氣是一種特殊的動(dòng)詞形式，用