【文章內(nèi)容簡(jiǎn)介】 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．If I not so busy ,I with you .A．was , would go B．were , would goC．was , should go D．were , will go【答案】B【解析】句意“如果我不忙，我就跟你去”。本題考查對(duì)將來(lái)的虛擬語(yǔ)氣。即“if+過(guò)去時(shí)，主語(yǔ)+should/would/could/might do”結(jié)構(gòu)。故選B。點(diǎn)睛：虛擬情況從句主句對(duì)現(xiàn)在的虛擬過(guò)去式（be一般用were）should/would/could/might+do對(duì)過(guò)去的虛擬had+過(guò)去分詞should/would/could/might+have done對(duì)將來(lái)的虛擬過(guò)去式（be一般用were）should/would/could/might+doshould+動(dòng)詞原形were+to do25．— What would you do if you _______ a million dollars?— I would give it to charity.A．have B．had C．will have D．would have【答案】B【解析】試題分析：句意:如果你有一百萬(wàn)美元你會(huì)做什么？我會(huì)把它捐給慈善事業(yè)。have 有；had 過(guò)去式；will have 一般將來(lái)時(shí)；would have 過(guò)去將來(lái)時(shí)。根據(jù)句意可知，這里表示的是一個(gè)假設(shè)的問(wèn)題，在if引導(dǎo)的條件狀語(yǔ)從句中應(yīng)該用虛擬語(yǔ)氣，動(dòng)詞用過(guò)去式，故選B?？键c(diǎn)：考查虛擬語(yǔ)氣。26．—I like drinking wine. But people who drink wine aren’t allowed to drive.—If I you, I would give up wine.A．was。 to drink B．a(chǎn)m。 drinking C．were。 drink D．were。 drinking【答案】D【解析】試題分析：句意：我喜歡喝酒。但是喝酒的人不允許開車。如果我是你，我將會(huì)放棄喝酒。分析：表示與現(xiàn)在事實(shí)相反的情況。 其虛擬語(yǔ)氣的結(jié)構(gòu)為：從句：if + 主語(yǔ)+ 動(dòng)詞的過(guò)去式（be用were） + ……主句：主語(yǔ)+ would （should, could , might） + 動(dòng)詞原形 + ……例如：If I were you, I would read it again. 如果我是你的話，我再讀一遍。（事實(shí)上我不是你），故選 D考點(diǎn)：考查虛擬語(yǔ)氣及動(dòng)詞短語(yǔ)的用法。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?？键c(diǎn)：考查固定句式的用法。30．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，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。31．—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。32． 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