【文章內(nèi)容簡(jiǎn)介】
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。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”。19. If I ____Alice, I _____them the truth.A. was , would tell B. were ,would tell C. am, will tell D.is , will tell【答案】B【解析】試題分析:本題的含義是如果我是你,我將告訴他們真相,本題if引導(dǎo)的是一個(gè)虛擬的條件句,在虛擬句中,be用were,主句通常用過去的一種,will應(yīng)該用would,故本題選B??键c(diǎn):if引導(dǎo)的虛擬條件句。點(diǎn)評(píng):在英文中條件句有兩種,一種是真實(shí)的條件句,if后遇到將來時(shí)用一般現(xiàn)在時(shí),一種是虛擬的條件句,if后用過去時(shí),be用were,在英文的實(shí)際使用中應(yīng)該注意它們的區(qū)別。20.I don’t understand how you got a ticket. I always you a careful driver.A.think。 are B.a(chǎn)m thinking。 areC.thought。 were D.think。 were【答案】C【解析】【詳解】句意:我不明白你是怎么得到罰單的。我一直以為你是一個(gè)謹(jǐn)慎的司機(jī)??疾閯?dòng)詞時(shí)態(tài)辨析題。本句是虛擬語氣,與過去事實(shí)相反,需用一般過去時(shí);根據(jù)句意結(jié)構(gòu),可知選C。21.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。22. Come and join us, Jim! I’m sorry I can’t . If I _______ time, I would certainly go.A.will have B.have had C.had D.had had 【答案】C【解析】試題分析: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)。判斷是真實(shí)條件句還是非真實(shí)條件句。只有在非真實(shí)條件句中才使用虛擬語氣。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。(1)、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” (2)、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”(3)、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”:句意:吉姆,來加入我們吧!抱歉,我不能。如果我有時(shí)間,我肯定會(huì)去的。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。考點(diǎn):考查虛擬語氣23.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 do24.If I _______ you, I would say another student could do it better.A.was B.were C.were D.a(chǎn)re【答案】B【解析】【詳解】句意:如果我是你,我會(huì)說另一個(gè)學(xué)生可以把它做得更好??疾樘摂M語氣。根據(jù)句意可知“現(xiàn)在事實(shí)”相反,此句是虛擬語氣,be動(dòng)詞使用were;故選A。25. If I _______ you , I _______ do that .A.was , would B.were 。 wouldn’tC.a(chǎn)m , won’t D.were , won’t【答案】D【解析】試題分析:句意:如果我是你,我不會(huì)那樣做。本句是與現(xiàn)在事實(shí)相反的虛擬條件句,從句謂語用動(dòng)詞用過去式(be動(dòng)詞一般用were);主句用should(would,could,might)+ 動(dòng)詞原形。故選D??键c(diǎn):虛擬條件句。26.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。虛擬語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。表示與現(xiàn)在事實(shí)相反,條件從句用一般過去時(shí),be動(dòng)詞習(xí)慣用were,主句用should、could、would + 原形動(dòng)詞。故選C。考點(diǎn):考查虛擬語氣。27.—Swimming in the river for teenagers is very dangerous.—So it is. If I ________ them, I ________ a shower at home.A.a(chǎn)m。 would take B.were。 will takeC.was。 would take D.were。 would take【答案】D【解析】試題分析:—在河里游泳對(duì)青少年是非常危險(xiǎn)的?!拇_如此。如果我是他們,我會(huì)在家洗澡。if從句表假設(shè),與現(xiàn)在事實(shí)相反,be動(dòng)詞則用were ,無論第幾人稱做主語。主句常用would 跟動(dòng)詞原形。故選D。考點(diǎn):考查固定句式的用法。28.—I like drinking wine. But people who drink wine aren’t allowed to drive.—If I you, I would give up wine.A.were。 drinking B.a(chǎn)m。 drinkingC.were。 drink D.was。to drink【答案】A【解析】考查虛擬語氣和非謂語動(dòng)詞的用法。根據(jù)句意可