【正文】 用一般過去時(shí)態(tài)，故答案為A?？键c(diǎn)：考查虛擬語氣。40．Come and join us. I’m sorry, but I’m busy. If I ________ time, I would go.A．have B． hadC． will have D． have had【答案】B【解析】試題分析：句意:來加入我們吧!——抱歉，但是我正忙著呢。如果我有時(shí)間，我會(huì)去的。結(jié)合語境可知下文從句中是對現(xiàn)在情況的虛擬，故用一般過去時(shí)態(tài)，選B。考點(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”：41．You are overweight. You’d better any junk food. I suggest you more vegetables.A．not to eat, to have B．not eat, have C．not eat, to have D．not to eat, have【答案】B【解析】【詳解】句意：你超重了。你最好不要吃垃圾食品。我建議你多吃點(diǎn)蔬菜。You’d better+動(dòng)詞原形，表示你最好做某事；You’d better+not+動(dòng)詞原形，表示你最好不要做某事；suggest+主語+should+動(dòng)詞原形，should可以省略，I suggest+主語+動(dòng)詞原形。根據(jù)題意，故選B。42．—Peter is going to Larry’s party. But he doesn’t know what to wear.—If I _______ him, I _______ wear a hat. It makes him cool.A．a(chǎn)m, will B．were, will C．were, would D．was, would【答案】C【解析】試題分析：句意：彼得打算參加勞拉的派對，但是他不知道穿什么。 如果我是他，我就戴一頂帽子。那會(huì)使他很酷。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。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”。根據(jù)句意可知是于現(xiàn)在的情況相反，故選C考點(diǎn)：考查虛擬語氣的用法。43．If I _____you. I would wear jeans to the party.A．a(chǎn)m 【答案】C【解析】試題分析：句意:如果我是你，我就穿牛仔褲去宴會(huì)。與現(xiàn)在事實(shí)相反的虛擬語氣中，系動(dòng)詞一律用were。故選C?？键c(diǎn)：考查虛擬語氣。44．If I______you, I_______go there at once.A．a(chǎn)m, would B．were, would C．were, will D．a(chǎn)m, will【答案】B【解析】試題分析：句意：如果我是你，我會(huì)馬上去那里。句子用到了虛擬語氣，系動(dòng)詞be要用were；will要用過去式would，結(jié)合題意故選B?？键c(diǎn)：考查虛擬語氣。45．Can you tell me what to wear at the party? If I ___you,I___the blue jeans.A．was,will wear B．a(chǎn)m,will wear C．were,would wear D．were,wore【答案】C【解析】試題分析：句意：你能告訴我穿什么參加聚會(huì)嗎？如果我是你，我會(huì)穿藍(lán)色的牛仔褲。本題考查的是虛擬條件句中主句和從句的時(shí)態(tài)問題。用if引導(dǎo)的虛擬條件句，虛擬現(xiàn)在時(shí)表示與現(xiàn)在事實(shí)相反的假設(shè)，其if 從句的謂語形式用動(dòng)詞的過去式（be 一般用were），主句用would/ should/ could/ might +動(dòng)詞原形，例如：If I were in your position I would marry ?？键c(diǎn)：考查虛擬語態(tài)。46．I’m so busy. If I ______ time, I ______ have a good rest. A．have, would B．have, could C．had, would D．had, will【答案】C 【解析】試題分析: 句意:我太忙了，如果我有時(shí)間，我就會(huì)好好休息一下。從句if +過去式，主句would +動(dòng)詞原形，表明與將來相反的虛擬語氣，故答案選C.考點(diǎn)：考查虛擬語氣。47．If I _____ you ,I _____ them the story.A. was , tell B．were , will tell C．were ,would tell D．a(chǎn)m. would tell【答案】C【解析】試題分析：句意：如果我是你，我會(huì)告訴他們這個(gè)故事。本題考查虛擬語氣，if 從句中用一般過去時(shí)，主句中用would +動(dòng)詞原形，表示與現(xiàn)在的事實(shí)相反。故選C。考點(diǎn)：考查虛擬語氣的用法。48． – I coughed a lot last night. What should I do? – If I _____ you, I would go to see the doctor at once. A．a(chǎn)m B．were C．was【答案】B【解析】試題分析: 句意：昨晚我不停地咳嗽，我應(yīng)該怎么辦？哪果我是你，我就會(huì)馬上去看醫(yī)生。此句為虛擬語氣，與現(xiàn)在事實(shí)相反，虛擬語氣的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”，故選C。考點(diǎn)： 考查虛擬語氣。49． If I ＿＿you . I＿＿study harder. A．a(chǎn)m , will B．was, would C．were, would D．were, will【答案】C【解析】試題分析：句意：如果我是你，我會(huì)更努力學(xué)習(xí)。這個(gè)句子要用虛擬語氣，表示與事實(shí)相反。所以用過去式were, would,故選C?？键c(diǎn)：考查虛擬語氣。50． If his brother a millionaire（百萬富翁）, he39。d buy her sister the expensive car.A．was B．were C．is D．be【答案】B【解析】試題分析：句意：假如他哥哥是百萬富翁，他會(huì)為她妹妹買這輛昂貴的汽車。虛擬語氣的結(jié)構(gòu)為虛擬語氣用法歸納 虛擬語氣：表示所說的話不是事實(shí)，或不可能發(fā)生，只是說話人的一種說話人的主觀愿望、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。