【文章內(nèi)容簡(jiǎn)介】 求掌握的知識(shí)點(diǎn)，分為三種情況：表示與現(xiàn)在事實(shí)相反的情況，從句謂語(yǔ)動(dòng)詞用一般過(guò)去式（be用were），主句謂語(yǔ)動(dòng)詞用should/would/could/might +do。，從句謂語(yǔ)動(dòng)詞用過(guò)去完成時(shí)，主句謂語(yǔ)動(dòng)詞用should/would/could/might+have done。，從句謂語(yǔ)動(dòng)詞用should+動(dòng)詞/did/were to do，主句謂語(yǔ)動(dòng)詞用should/would/could/might +do。20．If I ________ ten years younger, I _________ piano lessons and go to a music college.A．a(chǎn)m。 will take B．was。 took C．were。 will take D．were。 would take【答案】D【解析】試題分析：if虛擬語(yǔ)氣中，對(duì)現(xiàn)在的情況進(jìn)行虛擬，從句謂語(yǔ)動(dòng)詞均用一般過(guò)去時(shí)（be動(dòng)詞用were）,主句用would/should/could/might+：如果我再年輕十歲，我會(huì)參加鋼琴課程并去上音樂(lè)大學(xué)。故選D.考點(diǎn)：if條件狀語(yǔ)從句的虛擬語(yǔ)氣點(diǎn)評(píng)：虛擬語(yǔ)氣是一種特殊的動(dòng)詞形式，中考中有所涉及，但不常見(jiàn)。用來(lái)表示說(shuō)話人所說(shuō)的話并不是事實(shí)，而是一種假設(shè)、愿望、懷疑或推測(cè)。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。通常有三種情況：①與過(guò)去事實(shí)相反。②與現(xiàn)在事實(shí)相反。③與將來(lái)事實(shí)可能相反。21． 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(guò)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(lái)時(shí)用一般現(xiàn)在時(shí)，一種是虛擬的條件句，if后用過(guò)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。22．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(jiān)持要求他們每天中午都有免費(fèi)的午餐，老板必須這樣做?？疾樘摂M語(yǔ)氣。insist堅(jiān)持，要求，其后面的賓語(yǔ)從句要用虛擬語(yǔ)氣，跟虛擬式動(dòng)詞原形 或者“should + 動(dòng)詞原形” 。結(jié)合句意和語(yǔ)境可知選A。 23．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24．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(shuō)另一個(gè)學(xué)生可以把它做得更好?？疾樘摂M語(yǔ)氣。根據(jù)句意可知“現(xiàn)在事實(shí)”相反，此句是虛擬語(yǔ)氣，be動(dòng)詞使用were；故選A。25． If my mother ___ I get a grade of 50 in English exam, she would be angry.A．knows　 　 B．knew　　　 C．has known　　　　D．would know【答案】B【解析】試題分析：句意：如果我的母親知道我英語(yǔ)考試成績(jī)是50分，她會(huì)生氣的。表示與現(xiàn)在事實(shí)相反的事實(shí)，該用一般過(guò)去時(shí)態(tài)，所以選B。考點(diǎn)：考查虛擬語(yǔ)氣。26．I you about it because I don’t believe you.A． wouldn’t rather tell B． would rather not to tellC． would rather not tell D． wouldn’t rather telling【答案】C【解析】試題分析：根據(jù)would rather +not+動(dòng)詞的原型，表示寧愿不做某事句意：因?yàn)槲也幌嘈拍?，所以我寧愿不告訴你這件事。Have a . pity 表示同情某人結(jié)合句意，故選C考點(diǎn)：考查固定用法。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，be動(dòng)詞則用were ，無(wú)論第幾人稱做主語(yǔ)。主句常用would 跟動(dòng)詞原形。故選D?？键c(diǎn)：考查固定句式的用法。29．If I a boss, I would manage a big factory.A．a(chǎn)re B．wasC．were D．be【答案】C【解析】試題分析：句意：如果我是老板，我會(huì)經(jīng)營(yíng)一家大型工廠。由句意可知，此句是虛擬語(yǔ)氣，if引導(dǎo)的從句應(yīng)該用過(guò)去式的形式，其中第一人稱用were，故答案為C?？键c(diǎn)：考查虛擬語(yǔ)氣。30．If I you, I would rather at home and watch TV than to the party.A．was；stay, go B．a(chǎn)m；stay, go C．were；to stay, go D．were；stay, go【答案】D【解析】試題分析：句意為：如果我是你，我寧愿在家看電視也不去參加聚會(huì)。根據(jù)語(yǔ)境，這是一個(gè)與現(xiàn)在事實(shí)相反的虛擬條件句，主句用would/should+動(dòng)詞原形，從句用一般過(guò)去時(shí)（be動(dòng)詞用were）。另外，wou