选修六-Unit-1-语法-虚拟语气.pptVIP

* ★要不是你的帮助，我们就不可能提前完成任务。 If it had not been for your help, we couldn’t have finished the work ahead of time. = But for your help… = Without your help… = Had it not been for your help,… 9. 混合型的条件句 当条件从句与主句所表的时间不一 致时，虚拟语气的形式应作相应的调整。 主句和从句的谓语动词并不相互呼应， 这种条件句叫混合条件句。较多见的 混合型条件句是从句用过去完成时 （指过去行为），而主句用一般时 （指目前状态）。 ★如果他听了我的劝告，他现在会通过考试。 He would pass the test if he had taken my advice. ★假如昨天我对他说了，现在我就知道该怎么 办了。 If I had spoken to him yesterday, I should know what to do now. ★假如我是你，我当时就不会打破那杯子。 If I were you, I would not have broken the glass. 10. 连词if的省略 如果虚拟条件句的谓语部分有were, had和should时, 可省略if, 把were, had 和should放到从句主语前面去, 多见于 书面语。 ★要是没有你的帮助，我就失败了。 Had you not helped me, I should have failed. ★ 假如你处在我的地位，你也会这样干的。 Were you in my position, you would do the same. ★ 假如他们进攻我们，我们就把他们彻底 消灭干净。 　 Should they attack us, we’ll wipe them out completely. 11.in case, for fear that “以防, 以免” He took his raincoat with him in case it should rain. =He took his raincoat with him for fear that it should rain. 他带上了雨衣, 以防下雨.  12. 某些简单句的固定句型： Heaven help him! God bless you! May you succeed! Long live the People’s Republic of China! 1. ______ he come, the problem would be settled. A. would B. should C. shall D. if 2. _______, man could not live at all. A. were it not for the sun B. if it was for the sun C. had it not been for the sun D. if it shouldn’t be for the sun B A 3. ______. Everything would have been all right. A. he had been here B. here he had been C. been here he had D. had he been here 4. ____ fired, your health care and other benefits will not be immediately cut off. A. would you be B. should you be C. could you be D. might you be D B 错综时间条件句。即假设条件从句谓语动词 发生的时间与主句所假设的谓语动词不一致。 主句和从句的谓语动词要根据各自的时间而定。 * 近几年各类考试中常见的试题类型： If the United States had built more ho