【正文】 teenagers is very dangerous.—So it is. If I ________ them, I ________ a shower at home.A．a(chǎn)m。句子用虛擬語氣，所以動詞用過去式，would，had，故選B。15． I________ a big house for my family if I _____ a lot of money．A．would buy, have B．would buy, had C．will buy。t have done本不該做……卻做了。14．You should_______ watched TV. There is so much work to do,A．not have B．have not C．not D．not having【答案】A【解析】句意“你本不應(yīng)該看足球比賽，你有許多的工作要做”。go to see a movie去看電影；invite sb to do邀請某人做某事；在表達(dá)與現(xiàn)在事實相反的虛擬語氣中，Be用were,主句用would。would D．was。would B．were?？键c：考查虛擬語氣。have 有；had 過去式；will have 一般將來時；would have 過去將來時。與現(xiàn)在事實相反 若與現(xiàn)在事實相反，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” 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”。只有在非真實條件句中才使用虛擬語氣。考點：if引導(dǎo)的條件狀語從句點評：虛擬語氣是一種特殊的動詞形式，用來表示說話人所說的話并不是事實，而是一種假設(shè)、愿望、懷疑或推測。選項B缺少謂語動詞。．What would you do if you a million dollars? If I you, I’d give it to medical research.A．got, were B．win, am C．won, am D．get, were【答案】A【解析】本題是考查的虛擬語氣，對于將來的假設(shè)，主句用過去將來時，從句用一般過去時，且be動詞為were，故選A．What _____ you _____ if you had a million dollars?A．would, did B．will, do C．would, do D．will, did【答案】C【解析】本題是對于虛擬語氣的特殊疑問句的考查，根據(jù)句子的結(jié)構(gòu)，選C11．If I _____ you, I _____ late for school this morning.A．were, wouldn’t be B．were, wouldn’t C．was, won’t be D．a(chǎn)m, will【答案】A【解析】試題分析；句意：如果我是你，今天早晨我上學(xué)就不會遲到。從句用一般過去式，主句用過去將來時。 would D．was。 will B．is。此處是不應(yīng)該開車闖紅燈，會引起事故，故選D。考查情態(tài)動詞。 should have caused D．shouldn’t have driven。 should have caused B．could have driven。考點：虛擬條件句。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。8． If I _______ you , I _______ do that .A．was , would B．were 。結(jié)合語境可知本句描述的是與現(xiàn)狀相反的事實，故選B。其主要有三種結(jié)構(gòu)：與現(xiàn)在事實相反 若與現(xiàn)在事實相反，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” 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”。從句謂語動詞用should+動詞/did/were to do，主句謂語動詞用should/wou