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be通常用were),主句謂語(yǔ)用“should (would, could, might)+動(dòng)詞原形”。21. If I ____Alice, I _____them the truth.A. was , would tell B. were ,would tell C. am, will tell D.is , will tell【答案】B【解析】試題分析:本題的含義是如果我是你,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??键c(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。22.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。考點(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(huà)人所說(shuō)的話(huà)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”:23. 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C24.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25.Yesterday, the storm delayed us. _______ the storm, we would have been here in time.A.But for B.If it were not for C.But that D.Unless【答案】A【解析】【詳解】句意:昨天暴風(fēng)雨耽擱了我們。要不是有暴風(fēng)雨,我們會(huì)及時(shí)趕到這里的??疾檫B詞。But for要不是+短語(yǔ);If it were not for要不是(用于對(duì)現(xiàn)在的虛擬);But that要不是+從句;Unless除非,后接條件狀語(yǔ)從句;根據(jù)句中是“the storm”,是名詞,所以排除C;根據(jù)“would have been ”,是對(duì)過(guò)去的虛擬排除選項(xiàng)B;分析句子“___ the storm, we would have been here in time.”有暴風(fēng)雨,我們會(huì)及時(shí)趕到這里的,應(yīng)該是“要不是”,故選A。26.—Mum, can I go shopping with Gina?—Well, If I were you, I homework first. A.will do B.have to finish C.must finish D.would do【答案】D【解析】試題分析:句意:媽媽?zhuān)夷芎图热ベ?gòu)物嗎?——哦,如果我是你,我會(huì)首先完成作業(yè)。結(jié)合語(yǔ)境可知主句表示的是對(duì)現(xiàn)在的虛擬,故用過(guò)去將來(lái)時(shí)態(tài),選D??键c(diǎn):虛擬語(yǔ)氣點(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(huà)人所說(shuō)的話(huà)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”:27.What would you do if you _____ the traffic accident?I would ______.A.see,do my housework first B.saw。buy some fruit right awayC.see。call at 110 at once D.saw。call the police right away【答案】D【解析】考查虛擬語(yǔ)氣和情境交際的用法。問(wèn)句使用了虛擬語(yǔ)氣,從句中應(yīng)使用一般過(guò)去時(shí);根據(jù)traffic accident,應(yīng)及時(shí)報(bào)警。28.If I a bird, I _ fly in the blue sky.A.was。 would B.a(chǎn)m。 will C.will be。 will D.were。 would【答案】D【解析】試題分析:句意:如果我是一只鳥(niǎo),我就能在藍(lán)色的天空中飛翔。根據(jù)句意可知,這里表示的是跟事實(shí)不符的情況,是不可能實(shí)現(xiàn)的事情,因此這里應(yīng)該用虛擬語(yǔ)氣。在if從句中用一般過(guò)去時(shí),主句中用would+動(dòng)詞的原形。故選D??键c(diǎn):考查虛擬語(yǔ)氣。29.—I like drinking wine. But people who drink wine aren’t allowed to drive.—If I you, I would give up wine.A.were。 drinking B.a(chǎn)m。 drinkingC.were。 drink D.was。to drink【答案】A【解析】考查虛擬語(yǔ)氣和非謂語(yǔ)動(dòng)詞的用法。根據(jù)句意可知,該句使用了虛擬語(yǔ)氣,if引導(dǎo)的從句使用一般過(guò)去時(shí),用were;give up后面接動(dòng)詞的現(xiàn)在分詞。故選A。30. 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