【文章內(nèi)容簡(jiǎn)介】 ld/could/might +do。，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。，從句謂語動(dòng)詞用should+動(dòng)詞/did/were to do，主句謂語動(dòng)詞用should/would/could/might +do。21． If I went to the moon, I ______ bring something unusual back to the earth.A．couldB．willC．wouldD．shall【答案】C【解析】試題分析：此題考查if引導(dǎo)的條件狀語從句的相關(guān)知識(shí)。根據(jù)語境可知此句的含義是如果我去月球，我會(huì)帶回一些不同尋常的東西。這個(gè)假設(shè)成立的幾率很小，故看為虛擬語氣。根據(jù)語法知識(shí)可知從句要用一般過去時(shí)，主句要用過去將來時(shí)，過去將來時(shí)的基本構(gòu)成would+動(dòng)詞原形，故選C。考點(diǎn)：if引導(dǎo)的條件狀語從句點(diǎn)評(píng)：if既可以引導(dǎo)賓語從句又可以引導(dǎo)狀語從句。if充當(dāng)賓語從句的連接詞時(shí)，相當(dāng)于whether，詞義為“是否”，遵循賓語從句的時(shí)態(tài)規(guī)則，可根據(jù)語境選擇任何時(shí)態(tài)；充當(dāng)從屬連詞，引導(dǎo)條件狀語從句時(shí)，詞義為“如果”，若主句中的謂語動(dòng)詞用一般將來時(shí)，則從句中的謂語動(dòng)詞通常用一般現(xiàn)在時(shí)表示將來。22．You should_______ watched TV. There is so much work to do,A．not have B．have not C．not D．not having【答案】A【解析】句意“你本不應(yīng)該看足球比賽，你有許多的工作要做”。本題考查虛擬語氣，shouldn39。t have done本不該做……卻做了。根據(jù)句意，故選A。23．The workers insisted that they a free lunch every noon and the boss hadto do that.A．be given B．being given C．will be to give D．were given【答案】A【解析】句意：工人們堅(jiān)持要求他們每天中午都有免費(fèi)的午餐，老板必須這樣做?？疾樘摂M語氣。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” 。結(jié)合句意和語境可知選A。 24．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)將來的虛擬語氣。即“if+過去時(shí)，主語+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)在的虛擬過去式（be一般用were）should/would/could/might+do對(duì)過去的虛擬had+過去分詞should/would/could/might+have done對(duì)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．Yesterday, the storm delayed us. _______ the storm, we would have been here in time.A．But for B．If it were not for C．But that D．Unless【答案】A【解析】【詳解】句意：昨天暴風(fēng)雨耽擱了我們。要不是有暴風(fēng)雨，我們會(huì)及時(shí)趕到這里的?？疾檫B詞。But for要不是+短語；If it were not for要不是（用于對(duì)現(xiàn)在的虛擬）；But that要不是+從句；Unless除非,后接條件狀語從句；根據(jù)句中是“the storm”，是名詞，所以排除C；根據(jù)“would have been ”，是對(duì)過去的虛擬排除選項(xiàng)B；分析句子“___ the storm, we would have been here in time.”有暴風(fēng)雨，我們會(huì)及時(shí)趕到這里的，應(yīng)該是“要不是”，故選A。26．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。Have a . pity 表示同情某人結(jié)合句意，故選C考點(diǎn)：考查固定用法。27．If I a boss, I would manage a big factory.A．a(chǎn)re B．wasC．were D．be【答案】C【解析】試題分析：句意：如果我是老板，我會(huì)經(jīng)營一家大型工廠。由句意可知，此句是虛擬語氣，if引導(dǎo)的從句應(yīng)該用過去式的形式，其中第一人稱用were，故答案為C?？键c(diǎn)：考查虛擬語氣。28． 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)，他就能通過考試了。must have got through 一定通過；could get through 可能通過；would get through 會(huì)通過；would have got through 會(huì)通過。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，是虛擬語氣的用法，從句中用的是過去完成時(shí)，這時(shí)主句用would +have +過去分詞。故選D?？键c(diǎn)：考查虛擬語氣。29． — I don’t know what to do.— If I you, I buy a guidebook.A．a(chǎn)m。 will B．a(chǎn)m。 would C．were。 will D．were。 would【答案】D【解析】試題分析：句意：我不知道做什么？如果我是你，我就會(huì)買一本指南。虛擬語氣是一種特殊的動(dòng)詞形式，用來表示說話人所說的話并不是事實(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”。根據(jù)句意，可知是與現(xiàn)在的事實(shí)相反，故選D考點(diǎn)：考查虛擬語氣的用法。30．If I you, I would rather at home and watch TV than to the party.A．was；stay, go B．a(chǎn)m；stay, go C．were；to stay, go D．were；stay, go【答案】D【解析】試題分析：句意為：如果我是你，我寧愿在家看電視也不去參加聚會(huì)。根據(jù)語境，這是一個(gè)與現(xiàn)在事實(shí)相反的虛擬條件句，主句用would/should+動(dòng)詞原形，從句用一般過去時(shí)（be動(dòng)詞用were）。另外，would rather do sth than do sth是固定句型，表示“寧可……也不……”。故選D?？键c(diǎn)：考查虛擬條件狀語從句。31．If I _______ you, I would give some flowers to her.A．a(chǎn)m B．a(chǎn)re C．was