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句子意思,看假設的條件是否能夠?qū)崿F(xiàn),能夠?qū)崿F(xiàn)是真實條件句,不能使用虛擬語氣;假設的條件不能實現(xiàn)則是非真實條件句。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”:19. If I_______ one million dollars, I would give it to medical research. If I _______ you, I would give it to charity.A.will have, am B.would have, was C.had, were D.have, is【答案】C【解析】考察虛擬語氣。第一空,虛擬語氣,與現(xiàn)在相反,用過去時。第二空,虛擬語氣,與現(xiàn)在相反,用過去時,be動詞用were。故選C20.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。21.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:工人們堅持要求他們每天中午都有免費的午餐,老板必須這樣做。考查虛擬語氣。insist堅持,要求,其后面的賓語從句要用虛擬語氣,跟虛擬式動詞原形 或者“should + 動詞原形” 。結(jié)合句意和語境可知選A。 22.Mr. White _____ at 8:30 for the meeting, but he didn39。t show up.A.should have arrived B.should arriveC.should have had arrived D.should be arriving【答案】A【解析】試題分析:句意:懷特先生本來應該在8:30到會,但他卻沒有出現(xiàn)。should have done:本來應該做某事而實際上沒做。故選A考點:情態(tài)動詞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”。本題考查對將來的虛擬語氣。即“if+過去時,主語+should/would/could/might do”結(jié)構(gòu)。故選B。點睛:虛擬情況從句主句對現(xiàn)在的虛擬過去式(be一般用were)should/would/could/might+do對過去的虛擬had+過去分詞should/would/could/might+have done對將來的虛擬過去式(be一般用were)should/would/could/might+doshould+動詞原形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,我會說另一個學生可以把它做得更好。考查虛擬語氣。根據(jù)句意可知“現(xiàn)在事實”相反,此句是虛擬語氣,be動詞使用were;故選A。25. What if I have to go there and know nothing about it? If I______ you, I would try to find some information about it on the Internet.A.a(chǎn)m B.was C.will be D.were【答案】D【解析】試題分析:句意:——倘若我必須去那兒而且對那里一無所知,該怎么辦?——如果我是你,我會在網(wǎng)上查找一些有關那里的信息。根據(jù) I would try to find可知主句用的是would+do,可知這是對現(xiàn)在事實的假設的虛擬語氣,因此If引導的條件狀語從句用一般過去時,根據(jù)虛擬語氣的用法be動詞在If引導虛擬語氣中用were .故選 D。考點:考查虛擬語氣的用法。26.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、愿望、懷疑或推測。判斷是真實條件句還是非真實條件句。只有在非真實條件句中才使用虛擬語氣。通過句子意思,看假設的條件是否能夠?qū)崿F(xiàn),能夠?qū)崿F(xiàn)是真實條件句,不能使用虛擬語氣;假設的條件不能實現(xiàn)則是非真實條件句。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”:句意:如果我是你,我會學習更努力。結(jié)合語境可知本句表示的是對現(xiàn)在的虛擬,故從句中用過去時態(tài),主句中用過去將來時態(tài)。選B。考點:考查虛擬語氣27.What_____you do if you had a million dollars ? A.would B.will C.did D.do【答案】A【解析】考查點:虛擬語氣。解題思路:根據(jù)句意:如果你有一百萬你將會干什么? “如果你有一百萬”是對現(xiàn)在的一種假設,與現(xiàn)在的事實相反。表示與現(xiàn)在事實相反的虛擬語氣的結(jié)構(gòu)是:主句用should/would/could/might+動詞原形,從句用一般過去時態(tài)。故選A。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詞的用法。根據(jù)句意可知,該句使用了虛擬語氣,if引導的