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。所以描述的是過去的事情,故我過去很忙應(yīng)該用過去時(shí)。50. 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,我肯定會(huì)幫助你的,但是我太忙了。句子用到了虛擬語(yǔ)氣,系動(dòng)詞be要用were;will要用過去式would,結(jié)合題意故選B??键c(diǎn):考查虛擬語(yǔ)氣。與現(xiàn)在事實(shí)相反的虛擬語(yǔ)氣中,系動(dòng)詞一律用were。本句是if條件句,對(duì)現(xiàn)在的虛擬,用If sb were/did..., sb would/could/should/might do;根據(jù)句意結(jié)構(gòu)和語(yǔ)境,故選B。47.– Do you feel tired? No, I don’t. If I were tired, I ______a rest.A.had B.would have C.will have D.have【答案】B【解析】【詳解】句意:——你感覺累嗎?——不累,如果我累了,我會(huì)休息。46.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)。虛擬語(yǔ)氣是不可能發(fā)生的,是一種假設(shè)情況;而if引導(dǎo)的條件狀語(yǔ)從句,是有可能發(fā)生的??键c(diǎn):本題考查虛擬語(yǔ)氣。對(duì)于虛擬語(yǔ)氣,從句應(yīng)該用過去式(be動(dòng)詞,不論是第幾人稱,都用were),主句用would do。 would【答案】C【解析】試題分析:根據(jù)題干,本句的意思應(yīng)是“如果我是你,我將穿一件裙子。 willC.were。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)用過去式(be通常用were),主句謂語(yǔ)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(yǔ)用過去完成時(shí)(had+過去分詞),主句謂語(yǔ)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(yǔ)用過去式(be通常用were),主句謂語(yǔ)用“should (would, could, might)+動(dòng)詞原形”:45. —I’m going to Larry’s party. But I don’t know what to wear.—If I ___ you, I _______ wear a dress.A.a(chǎn)m。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)。如果我有時(shí)間,我會(huì)去的。考點(diǎn):考查虛擬語(yǔ)氣。通過對(duì)這句話的理解我們可以知道這是一個(gè)幾乎不可能實(shí)現(xiàn)的愿望,故在wish 后面的賓語(yǔ)從句中應(yīng)用虛擬語(yǔ)氣,所以用過去時(shí)態(tài)。選B。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)用過去式(be通常用were),主句謂語(yǔ)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(yǔ)用過去完成時(shí)(had+過去分詞),主句謂語(yǔ)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(yǔ)用過去式(be通常用were),主句謂語(yǔ)用“should (would, could, might)+動(dòng)詞原形”:句意:如果我是你,我會(huì)學(xué)習(xí)更努力。只有在非真實(shí)條件句中才使用虛擬語(yǔ)氣。42.If I were you, I ________ study harderA.had B.would C.did D . do 【答案】B【解析】試題分析:虛擬語(yǔ)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)。故選C。虛擬語(yǔ)氣用來表示說話人的主觀愿望或假想,而不表示客觀存在的事實(shí),所說的是一個(gè)條件,不一定是事實(shí),或與事實(shí)相反??键c(diǎn):考查虛擬語(yǔ)氣。條件狀語(yǔ)從句動(dòng)詞過去式(be動(dòng)詞無(wú)論人稱和數(shù)都用were),主句Would/should/could/ Might+動(dòng)詞原形。d buy her sister the expensive car.A.was B.were C.is D.be【答案】B【解析】試題分析:句意:假如他哥哥是百萬(wàn)富翁,他會(huì)為她妹妹買這輛昂貴的汽車??键c(diǎn):考查虛擬語(yǔ)氣。如果我有時(shí)間,我一定會(huì)去的。39.— Come and join us, Ben!— I’m afraid I can’t. I’m too busy now. If I ________ time, I would certainly go.A.had B.will have C.have had D.have【答案】A【解析】試題分析:試題解析:句意:本,來加入我們吧!——恐怕我不能。句意“如果不下雨,班主任和同學(xué)明天將要去杭州天堂公園。with連接幾個(gè)主語(yǔ)時(shí),與第一個(gè)保持一致。 won’t rain D.a(chǎn)re going to。 isn’t rainy B.a(chǎn)re going to??键c(diǎn):考查虛擬語(yǔ)氣??键c(diǎn):考查虛擬語(yǔ)氣的用法37.If I______ you, I would take a small present..A.a(chǎn)m B.was C.were D.a(chǎn)re【答案】C【解析】試題分析:句意:如果我我你,我會(huì)那個(gè)小的禮物。虛擬語(yǔ)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)??键c(diǎn): 考查虛擬語(yǔ)氣的用法。如: I were you, I would join the army. she had time, she should go with you.。35.If it were Sunday today, I________ go to school.A.shan’t B.would not C.can’t D.won’t【答案】B【解析】試題分析:句意:如果今天是星期天,我將不去上學(xué)。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)??键c(diǎn):考查虛擬語(yǔ)氣。33.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(yíng)一家大型工廠。根據(jù)句意可知,該句使用了虛擬語(yǔ)氣,if引導(dǎo)的從句使用一般過去時(shí),用were;give up后面接動(dòng)詞的現(xiàn)在分詞。 drink D.was。 drinking B.a(chǎn)m。考點(diǎn):考查虛擬語(yǔ)氣。在if從句中用一般過去時(shí),主句中用would+動(dòng)詞的原形。 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。 will C.will be。31.If I a bird, I _ fly in the blue sky.A.was。故選D。if從句表假設(shè),與現(xiàn)在事實(shí)相反,be動(dòng)詞則用w