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“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。故選C。故選B。18.I don’t know if he _______tomorrow.A. Will e B.es C.came D.has e【答案】A【解析】考查時(shí)態(tài)。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”。call the police right away【答案】D【解析】考查虛擬語氣和情境交際的用法??键c(diǎn):考查虛擬語氣。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” 。考查虛擬語氣。分析句子及選項(xiàng)“You ___ through that red light, for you ____ an accident.”,你 開車闖紅燈,因?yàn)槟? 事故的,可知是對(duì)過去的虛擬,應(yīng)用情態(tài)動(dòng)詞+have done。 might have causedC.couldn’t have driven。suggest表示“建議”時(shí),后接從句用that sb should do,should可省。 otherwise, I am sure, it _______ a more serious accident.A.would be B.were C.would have been D.had been【答案】C【解析】【詳解】句意:幸運(yùn)的是,事故發(fā)生時(shí)他沒有開快車;否則,我相信,這將是一個(gè)更嚴(yán)重的事故。主句(結(jié)果句) should /would/ could/ might +動(dòng)詞原形??键c(diǎn):考查虛擬語氣。這道題考查的是假設(shè),所以要用虛擬語氣,用過去時(shí)。由整個(gè)題干可知,現(xiàn)實(shí)情況與事實(shí)相反,是非真實(shí)的情況,是虛擬語氣,虛擬語氣中be都用were,故選B。根據(jù)句意故選D。表示對(duì)現(xiàn)在的虛擬,if引導(dǎo)的從句用一般過去時(shí),語句用would do ,故選C項(xiàng)。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??键c(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。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”:3. 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)。 will take【答案】C【解析】試題分析:句意:如果我是你,我會(huì)接受這份工作。2.If I you, I the job.A.a(chǎn)m。從句if +過去式,主句would +動(dòng)詞原形,表明與將來相反的虛擬語氣,故答案選C.考點(diǎn):考查虛擬語氣。 would take D.a(chǎn)re??键c(diǎn):if引導(dǎo)的條件狀語從句點(diǎn)評(píng):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。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。if I were 如果我是…,were