【正文】 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”：。只有在非真實(shí)條件句中才使用虛擬語(yǔ)氣?？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(huà)人所說(shuō)的話(huà)并不是事實(shí)，而是一種假設(shè)、愿望、懷疑或推測(cè)。50．—Mum, can I go shopping with Gina?—Well, If I were you, I homework first. A．will do B．have to finish C．must finish D．would do【答案】D【解析】試題分析：句意：媽媽?zhuān)夷芎图热ベ?gòu)物嗎？——哦，如果我是你，我會(huì)首先完成作業(yè)。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?？键c(diǎn)：考查虛擬語(yǔ)氣。句意：如果我是你，我會(huì)給她帶一件小禮物。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”。考點(diǎn)：考查虛擬語(yǔ)態(tài)。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?？键c(diǎn)：考查虛擬語(yǔ)氣。46．If I______you, I_______go there at once.A．a(chǎn)m, would B．were, would C．were, will D．a(chǎn)m, will【答案】B【解析】試題分析：句意：如果我是你，我會(huì)馬上去那里。故選C。45．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)。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”。那會(huì)使他很酷。44．—Peter is going to Larry’s party. But he doesn’t know what to wear.—If I _______ him, I _______ wear a hat. It makes him cool.A．a(chǎn)m, will B．were, will C．were, would D．was, would【答案】C【解析】試題分析：句意：彼得打算參加勞拉的派對(duì)，但是他不知道穿什么?？疾樘摂M語(yǔ)氣。tomorrow 為將來(lái)的時(shí)間故用一般將來(lái)時(shí)態(tài)，所以選A。如果不明白這兩者的區(qū)別，就比較容易發(fā)錯(cuò)。點(diǎn)評(píng)：完成本題時(shí)注意區(qū)分虛擬語(yǔ)氣和if引導(dǎo)的條件狀語(yǔ)從句。所以本題選C。”“我”是不可能成為“你”，所以本句是一個(gè)虛擬語(yǔ)氣。 would D．a(chǎn)m。 will B．were。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。判斷是真實(shí)條件句還是非真實(shí)條件句。結(jié)合語(yǔ)境可知下文從句中是對(duì)現(xiàn)在情況的虛擬，故用一般過(guò)去時(shí)態(tài)，選B。40．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(lái)加入我們吧!——抱歉，但是我正忙著呢。表示與過(guò)去事實(shí)相反的虛擬條件句。如果我有時(shí)間，我當(dāng)然會(huì)去了。39．— 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。38．I you about it because I don’t believe you.A． wouldn’t rather tell B． would rather not to tellC． would rather not tell D． wouldn’t rather telling【答案】C【解析】試題分析：根據(jù)would rather +not+動(dòng)詞的原型，表示寧愿不做某事句意：因?yàn)槲也幌嘈拍?，所以我寧愿不告訴你這件事。所以用過(guò)去式were, would,故選C。37． If I ＿＿you . I＿＿study harder. A．a(chǎn)m , will B．was, would C．were, would D．were, will【答案】C【解析】試題分析：句意：如果我是你，我會(huì)更努力學(xué)習(xí)。所以描述的是過(guò)去的事情，故我過(guò)去很忙應(yīng)該用過(guò)去時(shí)。36． If it had been possible, I would have helped him, but I ______ too busy.A．had been 　 B．would be 　 C．were 　 D．was【答案】D【解析】試題分析：句意：如果可能的話(huà)，我肯定會(huì)幫助你的，但是我太忙了。故選C。35．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。所以選B。但你沒(méi)有?？键c(diǎn)：考查虛擬語(yǔ)氣。表示與現(xiàn)在事實(shí)相反的假設(shè)，虛擬條件句為If+主語(yǔ)+動(dòng)詞的過(guò)去式（be動(dòng)詞用were） ，主句為主語(yǔ)+should, would, could, might + 動(dòng)詞原形。33．I’m not free today, If I ____ time, I ____ and help him with you.A．have, will go B．had, would go C．have, would go D．had, will go【答案】B【解析】試題分析：句意：我今天沒(méi)空，如果我有時(shí)間，我就和你一起去幫助他。故選A。句意：如果我是你，我就穿襯衫帶領(lǐng)帶去參加聚會(huì)。考點(diǎn)：考查虛擬條件狀語(yǔ)從句。另外，would rather do sth than do sth是固定句型，表示“寧可……也不……”。31．If I you, I would rather at home and watch TV than to the party.A．was；stay, go B．a(chǎn)m；stay,