【正文】 對過去的虛擬If+主語+had +動(dòng)詞過去分詞,主語+would / should / might / could have + 動(dòng)詞過去分詞。48．If I _____you. I would wear jeans to the party.A．a(chǎn)m 【答案】C【解析】試題分析：句意:如果我是你，我就穿牛仔褲去宴會(huì)。點(diǎn)評(píng)：完成本題時(shí)注意區(qū)分虛擬語氣和if引導(dǎo)的條件狀語從句。 will B．were。44．Come and join us. I’m sorry, but I’m busy. If I ________ time, I would go.A．have B． hadC． will have D． have had【答案】B【解析】試題分析：句意:來加入我們吧!——抱歉，但是我正忙著呢。通過句子意思，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，不能使用虛擬語氣；假設(shè)的條件不能實(shí)現(xiàn)則是非真實(shí)條件句。41．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。結(jié)合語境可知條件狀語從句中描述的是與現(xiàn)在相反的事實(shí)，故條件狀語從句中用一般過去時(shí)態(tài)，故答案為A。 doesn’t rain【答案】A【解析】考查主謂一致和if從句。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，條件從句的謂語用過去式（be通常用were），主句謂語用“should （would, could, might）+動(dòng)詞原形” 與過去事實(shí)相反 若與過去事實(shí)相反，條件從句的謂語用過去完成時(shí)（had+過去分詞），主句謂語用“should （would, could, might）+have+過去分詞”與將來事實(shí)相反 若與將來事實(shí)相反，條件從句的謂語用過去式（be通常用were），主句謂語用“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。考點(diǎn)：考查虛擬語氣的用法。故選A。故選D?？键c(diǎn)：考查固定句式的用法。 will takeC．was。表示與過去事實(shí)相反的虛擬條件句。buy some fruit right awayC．see。 考點(diǎn)：考查虛擬語氣。結(jié)合語境可知下文中表示與現(xiàn)在相反的事實(shí)，故條件狀語從句中用一般故去時(shí)態(tài)，選C。insist堅(jiān)持，要求，其后面的賓語從句要用虛擬語氣，跟虛擬式動(dòng)詞原形 或者“should + 動(dòng)詞原形” 。第一空，虛擬語氣，與現(xiàn)在相反，用過去時(shí)。判斷是真實(shí)條件句還是非真實(shí)條件句。 will take B．was。 would take【答案】D【解析】試題分析：if虛擬語氣中，對現(xiàn)在的情況進(jìn)行虛擬，從句謂語動(dòng)詞均用一般過去時(shí)（be動(dòng)詞用were）,主句用would/should/could/might+：如果我再年輕十歲，我會(huì)參加鋼琴課程并去上音樂大學(xué)?！绻沂悄?，我會(huì)穿一件襯衫加一條領(lǐng)帶。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那里一無所知，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。11．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。此處考查虛擬語氣?？疾榍閼B(tài)動(dòng)詞。如果她這樣做了，她將保持苗條和健康。4．— 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:如果你有一百萬美元你會(huì)做什么？我會(huì)把它捐給慈善事業(yè)。政府建議人們乘地鐵或者乘公交車去上班。從句謂語動(dòng)詞用過去完成時(shí)，主句謂語動(dòng)詞用should/would/could/might+have done。3． 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?？疾樘摂M語氣。 might have causedC．couldn’t have driven?？疾檫B詞。 10． If my mother ___ I get a grade of 50 in English exam, she would be angry.A．knows　 　 B．knew　　　 C．has known　　　　D．would know【答案】B【解析】試題分析：句意：如果我的母親知道我英語考試成績是50分，她會(huì)生氣的。本題考查虛擬語氣，if 從句中用一般過去時(shí)，主句中用would +動(dòng)詞原形，表示與現(xiàn)在的事實(shí)相反。用if引導(dǎo)的虛擬條件句，虛擬現(xiàn)在時(shí)表示與現(xiàn)在事實(shí)相反的假設(shè)，其if 從句的謂語形式用動(dòng)詞的過去式（be 一般用were），主句用would/ should/ could/ might +動(dòng)詞原形，例如：If I were in your position I would marry 。 will take B．was。②與現(xiàn)在事實(shí)相反。選C。考點(diǎn)：if引導(dǎo)的虛擬條件句。根據(jù)句意，故選A。通過句子意思，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，不能使用虛擬語氣；假設(shè)的條件不能實(shí)現(xiàn)則是非真實(shí)條件句。點(diǎn)睛：虛擬情況從句主句對現(xiàn)在的虛擬過去式（be一般用were）should/would/could/might+do對過去的虛擬had+過去分詞should/would/could/might+have done對將來的虛擬過去式（be一般用were）should/would/could/might+doshould+動(dòng)詞原形were+to do25．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：考查虛擬語氣。26．I you about it because I don’t believe you.A． wouldn’t rather tell B． would rather not t