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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。通常有三種情況:①與過(guò)去事實(shí)相反。②與現(xiàn)在事實(shí)相反。③與將來(lái)事實(shí)可能相反。20. If I went to the moon, I ______ bring something unusual back to the earth.A.couldB.willC.wouldD.shall【答案】C【解析】試題分析:此題考查if引導(dǎo)的條件狀語(yǔ)從句的相關(guān)知識(shí)。根據(jù)語(yǔ)境可知此句的含義是如果我去月球,我會(huì)帶回一些不同尋常的東西。這個(gè)假設(shè)成立的幾率很小,故看為虛擬語(yǔ)氣。根據(jù)語(yǔ)法知識(shí)可知從句要用一般過(guò)去時(shí),主句要用過(guò)去將來(lái)時(shí),過(guò)去將來(lái)時(shí)的基本構(gòu)成would+動(dòng)詞原形,故選C??键c(diǎn):if引導(dǎo)的條件狀語(yǔ)從句點(diǎn)評(píng):if既可以引導(dǎo)賓語(yǔ)從句又可以引導(dǎo)狀語(yǔ)從句。if充當(dāng)賓語(yǔ)從句的連接詞時(shí),相當(dāng)于whether,詞義為“是否”,遵循賓語(yǔ)從句的時(shí)態(tài)規(guī)則,可根據(jù)語(yǔ)境選擇任何時(shí)態(tài);充當(dāng)從屬連詞,引導(dǎo)條件狀語(yǔ)從句時(shí),詞義為“如果”,若主句中的謂語(yǔ)動(dòng)詞用一般將來(lái)時(shí),則從句中的謂語(yǔ)動(dòng)詞通常用一般現(xiàn)在時(shí)表示將來(lái)。21.If I you, I the army.A.a(chǎn)m, would join B.were, would join C.a(chǎn)m, will join D.were, will join【答案】B【解析】試題分析:句意:如果我是你,故用過(guò)去時(shí)態(tài),.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”。22.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)。考查動(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。23.The workers insisted that they a free lunch every noon and the boss hadto do that.A.be given B.being given C.will be to give D.were given【答案】A【解析】句意:工人們堅(jiān)持要求他們每天中午都有免費(fèi)的午餐,老板必須這樣做。考查虛擬語(yǔ)氣。insist堅(jiān)持,要求,其后面的賓語(yǔ)從句要用虛擬語(yǔ)氣,跟虛擬式動(dòng)詞原形 或者“should + 動(dòng)詞原形” 。結(jié)合句意和語(yǔ)境可知選A。 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.If I __________you. I would buy a big house for my parents.A.be B.a(chǎn)m C.was D.were【答案】D【解析】試題分析:句意:如果我是你。我會(huì)買(mǎi)一個(gè)大房子給我的父母。這道題考查的是假設(shè),所以要用虛擬語(yǔ)氣,用過(guò)去時(shí)。故選D.考點(diǎn):考查虛擬語(yǔ)氣的用法。26.If I you, I invite him to go to see a movie.A.a(chǎn)m, would B.were, willC.were, would D.was, will【答案】C【解析】試題分析:句意:句意:如果我是你,我會(huì)邀請(qǐng)他去看電影。go to see a movie去看電影;invite sb to do邀請(qǐng)某人做某事;在表達(dá)與現(xiàn)在事實(shí)相反的虛擬語(yǔ)氣中,Be用were,主句用would。所以選C??键c(diǎn):考查虛擬語(yǔ)氣。27.— Come and join us, Betty!— I’m afraid I can’t. I’m too busy now. If I ______ time, I would certainly go.A.have B.have hadC.will have D.had【答案】D【解析】試題分析:句意:貝蒂,來(lái)加入我們吧!恐怕我不能。我現(xiàn)在太忙。如果我有時(shí)間,我當(dāng)然會(huì)去了。分析:考查if引導(dǎo)的虛擬語(yǔ)氣。表示與過(guò)去事實(shí)相反的虛擬條件句。其句子結(jié)構(gòu)為:從句:If + 主語(yǔ)+ had +過(guò)去完成式動(dòng)詞+ ……主句:主語(yǔ)+ would (should, could, might) + have +過(guò)去完成式動(dòng)詞+……故選 D考點(diǎn):考查虛擬語(yǔ)氣的用法。28.What_____you do if you had a million dollars ? A.would B.will C.did D.do【答案】A【解析】考查點(diǎn):虛擬語(yǔ)氣。解題思路:根據(jù)句意:如果你有一百萬(wàn)你將會(huì)干什么? “如果你有一百萬(wàn)”是對(duì)現(xiàn)在的一種假設(shè),與現(xiàn)在的事實(shí)相反。表示與現(xiàn)在事實(shí)相反的虛擬語(yǔ)氣的結(jié)構(gòu)是:主句用should/would/could/might+動(dòng)詞原形,從句用一般過(guò)去時(shí)態(tài)。故選A。29.—Swimming in the river for teenagers is very dangerous.—So it is. If I ________ them, I ________ a shower at home.A.a(chǎn)m。 would take B.were。 will takeC.was。 would take D.were。 would take【答案】D【解析】試題分析:—在河里游泳對(duì)青少年是非常危險(xiǎn)的?!拇_如此。如果我是他們,我會(huì)在家洗澡。if從句表假設(shè),與現(xiàn)在事實(shí)相反,be動(dòng)詞則用were ,無(wú)論第幾人稱做主語(yǔ)。主句常用would 跟動(dòng)詞原形。故選D。考點(diǎn):考查固定句式的用法。30.—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。31.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