【文章內(nèi)容簡(jiǎn)介】 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(yǔ)氣。通過(guò)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(yǔ)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(yǔ)用過(guò)去式（be通常用were），主句謂語(yǔ)用“should （would, could, might）+動(dòng)詞原形” 與過(guò)去事實(shí)相反 若與過(guò)去事實(shí)相反，條件從句的謂語(yǔ)用過(guò)去完成時(shí)（had+過(guò)去分詞），主句謂語(yǔ)用“should （would, could, might）+have+過(guò)去分詞”與將來(lái)事實(shí)相反 若與將來(lái)事實(shí)相反，條件從句的謂語(yǔ)用過(guò)去式（be通常用were），主句謂語(yǔ)用“should （would, could, might）+動(dòng)詞原形”。21． 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(yǔ)氣。第一空，虛擬語(yǔ)氣，與現(xiàn)在相反，用過(guò)去時(shí)。第二空，虛擬語(yǔ)氣，與現(xiàn)在相反，用過(guò)去時(shí)，be動(dòng)詞用were。故選C22．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(lái)應(yīng)該在8：30到會(huì)，但他卻沒(méi)有出現(xiàn)。should have done：本來(lái)應(yīng)該做某事而實(shí)際上沒(méi)做。故選A考點(diǎn)：情態(tài)動(dòng)詞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(yǔ)氣是一種特殊的動(dòng)詞形式，用來(lái)表示說(shuō)話(huà)人所說(shuō)的話(huà)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(yǔ)氣。通過(guò)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(yǔ)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(yǔ)用過(guò)去式（be通常用were），主句謂語(yǔ)用“should （would, could, might）+動(dòng)詞原形” （2）、與過(guò)去事實(shí)相反 若與過(guò)去事實(shí)相反，條件從句的謂語(yǔ)用過(guò)去完成時(shí)（had+過(guò)去分詞），主句謂語(yǔ)用“should （would, could, might）+have+過(guò)去分詞”（3）、與將來(lái)事實(shí)相反 若與將來(lái)事實(shí)相反，條件從句的謂語(yǔ)用過(guò)去式（be通常用were），主句謂語(yǔ)用“should （would, could, might）+動(dòng)詞原形”：句意：吉姆，來(lái)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(yǔ)境可知下文中表示與現(xiàn)在相反的事實(shí)，故條件狀語(yǔ)從句中用一般故去時(shí)態(tài)，選C?？键c(diǎn)：考查虛擬語(yǔ)氣24．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(lái)的虛擬語(yǔ)氣。即“if+過(guò)去時(shí)，主語(yǔ)+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(guò)去式（be一般用were）should/would/could/might+do對(duì)過(guò)去的虛擬had+過(guò)去分詞should/would/could/might+have done對(duì)將來(lái)的虛擬過(guò)去式（be一般用were）should/would/could/might+doshould+動(dòng)詞原形were+to do25．—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(gè)學(xué)生對(duì)我說(shuō)：如果我是數(shù)學(xué)老師，我會(huì)使數(shù)學(xué)學(xué)習(xí)更簡(jiǎn)單有趣，而不是每天給學(xué)生許多作業(yè)去做。虛擬語(yǔ)氣是一種特殊的動(dòng)詞形式，用來(lái)表示說(shuō)話(huà)人所說(shuō)的話(huà)并不是事實(shí)，而是一種假設(shè)、愿望、懷疑或推測(cè)。其主要有三種結(jié)構(gòu)：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(guò)去式（be通常用were），主句謂語(yǔ)用“should （would, could, might）+動(dòng)詞原形” 與過(guò)去事實(shí)相反 若與過(guò)去事實(shí)相反，條件從句的謂語(yǔ)用過(guò)去完成時(shí)（had+過(guò)去分詞），主句謂語(yǔ)用“should （would, could, might）+have+過(guò)去分詞”與將來(lái)事實(shí)相反 若與將來(lái)事實(shí)相反，條件從句的謂語(yǔ)用過(guò)去式（be通常用were），主句謂語(yǔ)用“should （would, could, might）+動(dòng)詞原形”。該句描述的是與現(xiàn)狀相反的事實(shí)故選A?？键c(diǎn)：考查虛擬語(yǔ)氣。26．If I you, I invite him to go to see a movie.A．a(chǎn)m, would B．were, willC．were, would D．was, will【答案】C【解析】試題分析：句意：句意：如果我是你，我會(huì)邀請(qǐng)他去看電影。go to see a movie去看電影；invite sb to do邀請(qǐng)某人做某事；在表達(dá)與現(xiàn)在事實(shí)相反的虛擬語(yǔ)氣中，Be用were,主句用would。所以選C?？键c(diǎn)：考查虛擬語(yǔ)氣。27．— Come and join us, Betty!— I’m afraid I can’t. I’m too busy now. If I ______ time, I would certainly go.A．have B．have hadC．will have D．had【答案】D【解析】試題分析：句意：貝蒂，來(lái)加入我們吧！恐怕我不能。我現(xiàn)在太忙。如果我有時(shí)間，我當(dāng)然會(huì)去了。分析：考查if引導(dǎo)的虛擬語(yǔ)氣。表示與過(guò)去事實(shí)相反的虛擬條件句。其句子結(jié)構(gòu)為：從句：If + 主語(yǔ)+ had +過(guò)去完成式動(dòng)詞+ ……主句：主語(yǔ)+ would （should, could, might） + have +過(guò)去完成式動(dòng)詞+……故選 D考點(diǎn)：考查虛擬語(yǔ)氣的用法。28．—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，