【正文】
rived 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)。本題考查的是虛擬條件句中主句和從句的時態(tài)問題。用if引導(dǎo)的虛擬條件句,虛擬現(xiàn)在時表示與現(xiàn)在事實相反的假設(shè),其if 從句的謂語形式用動詞的過去式(be 一般用were),主句用would/ should/ could/ might +動詞原形,例如:If I were in your position I would marry 。should have done:本來應(yīng)該做某事而實際上沒做。結(jié)合句意和語境可知選A。 were D.think。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。故選C6.— I don’t know what to wear at the party.— If I you, I would wear a shirt and a tie.A.a(chǎn)m B.is C.were D.was【答案】C【解析】試題分析:if從句的虛擬語氣,對于現(xiàn)在的虛擬用一般過去式,be動詞都用were,:——我不知道聚會該穿什么。從句謂語動詞用should+動詞/did/were to do,主句謂語動詞用should/would/could/might +do。8. If I _______ you , I _______ do that .A.was , would B.were ??键c:虛擬條件句。10.You _______ through that red light, for you _______ an accident.A.must have driven。 could have caused【答案】D【解析】【詳解】句意:你不應(yīng)該開車闖紅燈,因為你會引起事故的。11.She doesn’t stick to her exercises and a balanced diet. If she _______, she would remain slim and healthy.A.had done B.would do C.did D.should【答案】C【解析】【詳解】句意:她沒有堅持鍛煉和均衡飲食。12.If I you, I give it to Microsoft research.A.a(chǎn)m, will B.a(chǎn)m, would C.were, would D.was, would【答案】C【解析】【詳解】句意:如果我是你,我會把它交給微軟研究部。 will B.had。結(jié)合語境可知主句描述的是將來動作,用將來時態(tài)。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”:14.The air pollution is worse and worse. The government suggests that people ____ to work by subway or by bus.A.go B.goes C.going D.to go【答案】A【解析】【詳解】句意:空氣污染越來越糟糕。這是一個that引導(dǎo)的賓語從句,suggest后跟的賓語從句應(yīng)用虛擬語氣(should)do結(jié)構(gòu),should可省略。考點: 考查虛擬語氣。結(jié)合語境可知條件狀語從句中描述的是與現(xiàn)在相反的事實,故條件狀語從句中用一般過去時態(tài),故答案為A。我建議你多吃點蔬菜。tomorrow 為將來的時間故用一般將來時態(tài),所以選A??键c:虛擬語氣點評: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。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”