【正文】
il, I would try again. What would happen if the earth stopped turning? ? 3) If he ___________ tomorrow, he would find Mr. Wang in the office. A. es B. will e C. should e D. e ? 答案 : C ? 注: 1。在 if引導(dǎo)的非真實條件句中, if可以省略,但是需要倒裝(從句位于主句前) ? If he had been warned, he would not have taken that food. ? =Had he been warned, he would not have taken that food. ? What would happen if the earth stopped turning? ? =What would happen if the earth were to / should stop turning? ? =Were the earth to stop turning, what would happen? ? =Should the earth to stop turning, what would happen? ? 4) ________ he would have succeeded in the examination. A. Had he worked hard B. If he worked hard C. If he works hard D. If he has worked hard ? 答案 : A ? 2.某些介詞 without / but for等或連詞 otherewise等表示含蓄條件,需用虛擬語 氣。 ? Without air, we would not live even for five minutes. =If there were no air, we would not live even for five minutes. ? But for the storm, we should have arrived earlier. =If it had not been for the storm, we should have arrived earlier. ? Jack can’t have arrived yet。 otherwise he would have telephone me. =Jack can’t have arrived yet。 if he had arrived, he would have telephone me. ? 5) (1991年高考 ) Without electricity human life _______ quite different today. A. is B. will be C. would have been D. would be ? 答案 : D ? 6) (2020年上海春招 ) He hesitated for a moment before kicking the ball, otherwise he ______ a goal. A. had scored B. scored C. would score D. would have scored ? 答案 : D ? 3.當(dāng)主句的動作和從句的動作不是發(fā)生在同一時間,需用混合虛擬條件句表示。 ? 1)過去時與現(xiàn)在時混合使用,即條件為過去事實相反的假設(shè),而主句為與現(xiàn)在事實相反的說