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D.would do【答案】D【解析】試題分析:句意:媽媽,我能和吉娜去購(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”:25.If I you, I would not do such a silly thing.A.a(chǎn)m B.was C.were【答案】C【解析】試題分析:句意:如果我是你我就不會(huì)做那樣的傻事。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)。其主要有三種結(jié)構(gòu):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”該句描述的與現(xiàn)在事實(shí)想反,故選C??键c(diǎn):考查虛擬語(yǔ)氣的用法26.If it were Sunday today, I________ go to school.A.shan’t B.would not C.can’t D.won’t【答案】B【解析】試題分析:句意:如果今天是星期天,我將不去上學(xué)。虛擬語(yǔ)氣用于條件狀語(yǔ)從句中,可以表示與現(xiàn)在事實(shí)相反的假設(shè),條件狀語(yǔ)從句中的謂語(yǔ)動(dòng)詞用“過(guò)去式(be動(dòng)詞用were)”,而主句中的謂語(yǔ)動(dòng)詞用“would / should/ could / might + 動(dòng)詞原形”。如: I were you, I would join the army. she had time, she should go with you.。由句意可知選B??键c(diǎn): 考查虛擬語(yǔ)氣的用法。27.Sir, you should__________ at the red light.But you didn’t.A.stop B.have stopped C.not have stopped D.stopped【答案】B【解析】試題分析:句意:先生,你應(yīng)該在紅燈亮?xí)r停下來(lái)。但你沒(méi)有。這里用虛擬語(yǔ)氣,用情態(tài)動(dòng)詞should + have + 過(guò)去分詞,這是對(duì)過(guò)去的一種虛擬。所以選B??键c(diǎn):考查虛擬語(yǔ)氣。28.If I _______ you, I would give some flowers to her.A.a(chǎn)m B.a(chǎn)re C.was D.were【答案】D【解析】試題分析:句意:如果我是你,我會(huì)送她一些花。這是由if引導(dǎo)的一個(gè)虛擬語(yǔ)氣句子,表示與現(xiàn)在事實(shí)相反的情況,其句型為“ if+ 主語(yǔ) + 動(dòng)詞的過(guò)去式( be 動(dòng)詞用 were ),主語(yǔ) +would / could / might / should + 動(dòng)詞原形”。故選D。考點(diǎn):考查虛擬語(yǔ)氣的用法。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. If I you,I buy a bike for him.A.was,would B.was,could C.were,would D.were,could【答案】C【解析】試題分析:句意:如果我是你,我會(huì)給他買一輛自行車。buy sth for sb給某人買某物;本句用的是虛擬語(yǔ)氣,表示與現(xiàn)在的事實(shí)相反,在虛擬語(yǔ)氣中不能用was,而用were,因此選C??键c(diǎn):考查虛擬語(yǔ)氣的用法。