【文章內(nèi)容簡介】 d （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”。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。考點：if引導(dǎo)的虛擬條件句。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。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C22．I don’t understand how you got a ticket. I always you a careful driver.A．think。 are B．a(chǎn)m thinking。 areC．thought。 were D．think。 were【答案】C【解析】【詳解】句意：我不明白你是怎么得到罰單的。我一直以為你是一個謹(jǐn)慎的司機?？疾閯釉~時態(tài)辨析題。本句是虛擬語氣，與過去事實相反，需用一般過去時；根據(jù)句意結(jié)構(gòu)，可知選C。23．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。 24．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(yīng)該在8：30到會，但他卻沒有出現(xiàn)。should have done：本來應(yīng)該做某事而實際上沒做。故選A考點：情態(tài)動詞25． If I _______ you , I _______ do that .A．was , would B．were 。 wouldn’tC．a(chǎn)m , won’t D．were , won’t【答案】D【解析】試題分析：句意：如果我是你，我不會那樣做。本句是與現(xiàn)在事實相反的虛擬條件句，從句謂語用動詞用過去式（be動詞一般用were）；主句用should（would,could,might）+ 動詞原形。故選D?？键c：虛擬條件句。26．If I ____ you, I ____ buy a bike for him.A．was, would B．was, could C．were, would D．were, could【答案】C【解析】試題分析：句意：如果我是你，我就給他買一輛自行車。虛擬語氣用來表示說話人的主觀愿望或假想，而不表示客觀存在的事實，所說的是一個條件，不一定是事實，或與事實相反。表示與現(xiàn)在事實相反，條件從句用一般過去時，be動詞習(xí)慣用were，主句用should、could、would + 原形動詞。故選C?？键c：考查虛擬語氣。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，來加入我們吧！恐怕我不能。我現(xiàn)在太忙。如果我有時間，我當(dāng)然會去了。分析：考查if引導(dǎo)的虛擬語氣。表示與過去事實相反的虛擬條件句。其句子結(jié)構(gòu)為：從句：If + 主語+ had +過去完成式動詞+ ……主句：主語+ would （should, could, might） + have +過去完成式動詞+……故選 D考點：考查虛擬語氣的用法。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：—在河里游泳對青少年是非常危險的?！拇_如此。如果我是他們，我會在家洗澡。if從句表假設(shè)，與現(xiàn)在事實相反，be動詞則用were ，無論第幾人稱做主語。主句常用would 跟動詞原形。故選D。考點：考查固定句式的用法。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，用were；give up后面接動詞的現(xiàn)在分詞。故選A。30．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，我會經(jīng)營一家大型工廠。由句意可知，此句是虛擬語氣，if引導(dǎo)的從句應(yīng)該用過去式的形式，其中第一人稱用were，故答案為C?？键c：考查虛擬語氣。31． Had he studied harder, he_______ the exams.A．must have got through B．could get throughC．would get through D．would have got through【答案】D【解析】試題分析：句意:如果他學(xué)習(xí)再努力一點，他就能通過考試了。must have got through 一定通過；could get through 可能通過；would get through 會通過；would have got through 會通過。這句話中Had he