【正文】
中用一般故去時態(tài),選C。(1)、與現(xiàn)在事實相反 若與現(xiàn)在事實相反,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)+動詞原形” (2)、與過去事實相反 若與過去事實相反,條件從句的謂語用過去完成時(had+過去分詞),主句謂語用“should (would, could, might)+have+過去分詞”(3)、與將來事實相反 若與將來事實相反,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)+動詞原形”:句意:吉姆,來加入我們吧!抱歉,我不能。只有在非真實條件句中才使用虛擬語氣。23. 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詞形式,用來表示說話人所說的話并不是事實,而是一種假設(shè)、愿望、懷疑或推測??疾閯釉~時態(tài)辨析題。 were【答案】C【解析】【詳解】句意:我不明白你是怎么得到罰單的。 areC.thought。故選C22.I don’t understand how you got a ticket. I always you a careful driver.A.think。第一空,虛擬語氣,與現(xiàn)在相反,用過去時。點評:在英文中條件句有兩種,一種是真實的條件句,if后遇到將來時用一般現(xiàn)在時,一種是虛擬的條件句,if后用過去時,be用were,在英文的實際使用中應(yīng)該注意它們的區(qū)別。20. 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。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)是真實條件句,不能使用虛擬語氣;假設(shè)的條件不能實現(xiàn)則是非真實條件句。判斷是真實條件句還是非真實條件句??键c:if引導(dǎo)的條件狀語從句點評:虛擬語氣是一種特殊的動詞形式,用來表示說話人所說的話并不是事實,而是一種假設(shè)、愿望、懷疑或推測。結(jié)合語境可知本句描述的是與現(xiàn)狀相反的事實,故從句用過去時態(tài),主句用過去將來時態(tài)。 would take D.a(chǎn)re。 will take B.was。if充當(dāng)賓語從句的連接詞時,相當(dāng)于whether,詞義為“是否”,遵循賓語從句的時態(tài)規(guī)則,可根據(jù)語境選擇任何時態(tài);充當(dāng)從屬連詞,引導(dǎo)條件狀語從句時,詞義為“如果”,若主句中的謂語動詞用一般將來時,則從句中的謂語動詞通常用一般現(xiàn)在時表示將來。根據(jù)語法知識可知從句要用一般過去時,主句要用過去將來時,過去將來時的基本構(gòu)成would+動詞原形,故選C。根據(jù)語境可知此句的含義是如果我去月球,我會帶回一些不同尋常的東西。③與將來事實可能相反。通常有三種情況:①與過去事實相反。用來表示說話人所說的話并不是事實,而是一種假設(shè)、愿望、懷疑或推測。 would take【答案】D【解析】試題分析:if虛擬語氣中,對現(xiàn)在的情況進行虛擬,從句謂語動詞均用一般過去時(be動詞用were),主句用would/should/could/might+:如果我再年輕十歲,我會參加鋼琴課程并去上音樂大學(xué)。 took C.were。16.If I ________ ten years younger, I _________ piano lessons and go to a music college.A.a(chǎn)m。根據(jù)題意及句型,故選D。 would make【答案】D【解析】試題分析:句意:湯姆總是在英語練習(xí)中犯那么多的錯誤!—如果他能更細心一些,他就會犯更少的錯誤。 would make C.were。15. Tom is always making so many mistakes in his English exercises! Yeah. If he ________ more careful, he ________ fewer mistakes.A.was。句中用虛擬語氣,系動詞用were,故選C??键c:考查虛擬語氣。其主要有三種結(jié)構(gòu):與現(xiàn)在事實相反 若與現(xiàn)在事實相反,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)+動詞原形” 與過去事實相反 若與過去事實相反,條件從句的謂語用過去完成時(had+過去分詞),主句謂語用“should (would, could, might)+have+過去分詞”與將來事實相反 若與將來事實相反,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)+動詞原形”。13.—A student in my class said to me, “if I ______our math teacher, I_____ make math learning easier and more interesting instead of giving the kids much homework to do every day.”A.were, would B.a(chǎn)m, will C.was, would D.were, will【答案】A【解析】試題分析:句意:我班里的一個學(xué)生對我說:如果我是數(shù)學(xué)老師,我會使數(shù)學(xué)學(xué)習(xí)更簡單有趣,而不是每天給學(xué)生許多作業(yè)去做。故選C。 will take【答案】 C【解析】試題分析:句意:如果我是你,我就要這份工作。 would take C.were。 12. If I ______ you, I _____the job.A.was。故答案為C。句中,主句和從句的謂語都要用虛擬語氣,與現(xiàn)在事實相反的假設(shè),從句(條件句)動詞過去式( be一般用were)。11.If I were invited to the party,I _______ a red skirt.A. will wear B. wear C. would wear【答案】C【解析】試題分析:如果我被邀請參加聚會,我會穿紅色的裙子??疾檫B詞。10.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??疾樘摂M語氣。9.Luckily, he wasn’t driving fast at the time of accident。分析句子及選項“You ___ through that red light, for you ____ an accident.”,你 開車闖紅燈,因為你 事故的,可知是對過去的虛擬,應(yīng)用情態(tài)動詞+have done。 could have caused【答案】D【解析】【詳解】句意:你不應(yīng)該開車闖紅燈,因為你會引起事故的。 might have causedC.couldn’t have driven。8.You _______ through that red light, for you _______ an accident.