【正文】
說話人的主觀愿望、假設(shè)、猜測、建議、或推測。條件狀語從句動(dòng)詞過去式(be動(dòng)詞無論人稱和數(shù)都用were),主句Would/should/could/ Might+動(dòng)詞原形。故選B??键c(diǎn):考查虛擬語氣。25.—Mum, can I go shopping with Gina?—Well, If I were you, I homework first. A.will do B.have to finish C.must finish D.would do【答案】D【解析】試題分析:句意:媽媽,我能和吉娜去購物嗎?——哦,如果我是你,我會(huì)首先完成作業(yè)。結(jié)合語境可知主句表示的是對現(xiàn)在的虛擬,故用過去將來時(shí)態(tài),選D??键c(diǎn):虛擬語氣點(diǎn)評: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。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。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”:26. 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。對過去的虛擬If+主語+had +動(dòng)詞過去分詞,主語+would / should / might / could have + 動(dòng)詞過去分詞。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)??键c(diǎn):考查虛擬語氣及時(shí)態(tài)的用法。27.Sir, you should__________ at the red light.But you didn’t.A.stop B.have stopped C.not have stopped D.stopped【答案】B【解析】試題分析:句意:先生,你應(yīng)該在紅燈亮?xí)r停下來。但你沒有。這里用虛擬語氣,用情態(tài)動(dòng)詞should + have + 過去分詞,這是對過去的一種虛擬。所以選B??键c(diǎn):考查虛擬語氣。28.(題文)I would wear a shirt and tie to the party if I ________ you. It’s more polite.A.were B.will be C.a(chǎn)m【答案】A【解析】試題分析:與現(xiàn)在事實(shí)相反的虛擬語氣,if從句用過去時(shí),主句用would/should/might+動(dòng)詞原形。句意:如果我是你,我就穿襯衫帶領(lǐng)帶去參加聚會(huì)。那樣更禮貌。故選A??键c(diǎn):考查虛擬語氣的用法。29.—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)句意可知,該句使用了虛擬語氣,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。故選A。30. If I ______ you, I _____the job.A.was。 will take B.was。 would take C.were。 would take D.were。 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。If引導(dǎo)的句子是愿望時(shí),用過去式表示,而且系動(dòng)詞用were,主句用would加原形。故選C。 考點(diǎn): 考查虛擬語氣的用法。