【正文】 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”。4．If I _____ you, I _____ late for school this morning.A．were, wouldn’t be B．were, wouldn’t C．was, won’t be D．a(chǎn)m, will【答案】A【解析】試題分析；句意：如果我是你，今天早晨我上學(xué)就不會(huì)遲到。故選A。句意：如果我是你，我會(huì)加入軍隊(duì)。2．The air pollution is worse and worse. The government suggests that people ____ to work by subway or by bus.A．go B．goes C．going D．to go【答案】A【解析】【詳解】句意：空氣污染越來(lái)越糟糕。will C．were。故選A。 will C．had。 will B．is。根據(jù)If I you，這是一個(gè)虛擬語(yǔ)氣，此句虛擬語(yǔ)氣表示一種不能實(shí)現(xiàn)的假設(shè)，即與現(xiàn)在事實(shí)相反，謂語(yǔ)動(dòng)詞用過(guò)去式；該語(yǔ)法主要用于if條件狀語(yǔ)從句，本句“如果我是你”，be動(dòng)詞用were，后面主句用過(guò)去將來(lái)時(shí)would＋動(dòng)詞原形，故答案選C。10．If I ________ invited tonight, I would go to the dinner party.A．was C．a(chǎn)m11．—A student in my class said to me, “if I ______our math teacher, I_____ make math learning easier and more interesting instead of giving the kids much homework to do every day.”A．were, would B．a(chǎn)m, will C．was, would D．were, will【答案】A【解析】試題分析：句意：我班里的一個(gè)學(xué)生對(duì)我說(shuō)：如果我是數(shù)學(xué)老師，我會(huì)使數(shù)學(xué)學(xué)習(xí)更簡(jiǎn)單有趣，而不是每天給學(xué)生許多作業(yè)去做。13． What if I have to go there and know nothing about it? If I______ you, I would try to find some information about it on the Internet.A．a(chǎn)m B．was C．will be D．were【答案】D【解析】試題分析：句意：——倘若我必須去那兒而且對(duì)那里一無(wú)所知，該怎么辦？——如果我是你，我會(huì)在網(wǎng)上查找一些有關(guān)那里的信息。 will take B．was?？键c(diǎn)：if引導(dǎo)的虛擬條件句。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”：18． 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。我一直以為你是一個(gè)謹(jǐn)慎的司機(jī)。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)。結(jié)合語(yǔ)境可知下文中表示與現(xiàn)在相反的事實(shí)，故條件狀語(yǔ)從句中用一般故去時(shí)態(tài)，選C。25．What can I do with so much money?If I _______ you, I _______ give it away to charity.A．a(chǎn)m, will B．a(chǎn)m, would C．were, would D．was, would【答案】C 【解析】 試題分析：考查虛擬語(yǔ)氣。26．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，我就給他買一輛自行車。分析：考查if引導(dǎo)的虛擬語(yǔ)氣。 drinking B．a(chǎn)m。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。32．If I you, I’d keep quiet and listen carefully in class.A．a(chǎn)m B．will be C．were【答案】C【解析】試題分析： 與現(xiàn)在事實(shí)相反：條件從句用動(dòng)詞過(guò)去式，主句用would/could/should/might+動(dòng)詞原形；與過(guò)去事實(shí)相反：條件從句用had done，主句用would/could/should/might+have done；與將來(lái)事實(shí)相反：條件從句用動(dòng)詞過(guò)去式/should+動(dòng)詞原形/were to do，主句用would/could/should/might+動(dòng)詞原形?？键c(diǎn): 考查虛擬語(yǔ)氣的用法。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。 will take B．was。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。40． —I’m going to Larry’s party. But I don’t know what to wear.—If I ___ you, I _______ wear a dress.A．a(chǎn)m?？键c(diǎn)：本題考查虛擬語(yǔ)氣。我建議你多吃點(diǎn)蔬菜。那會(huì)使他很酷。本題考查的是虛擬條件句中主句和從句的時(shí)態(tài)問(wèn)題。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”。此句為虛擬語(yǔ)氣，與現(xiàn)在事實(shí)相反，虛擬語(yǔ)氣的條件從句的謂語(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”，故選C。