《含蓄虚拟条件句》PPT课件.ppt

由 without 引导的含蓄虚拟条件句,LOREM IPSUM DOLOR,有时虚拟条件不用从句，而是通过上下文或用介词短语等表示出来，这种句子叫含蓄虚拟条件句。Without，but for，otherwise，or等词引导的含蓄虚拟条件句往往可以改写成由if引导的虚拟条件句。,LOREM IPSUM DOLOR,eg.Without air，human being would not be able to survive.（=If there were no air）如果没有空气，人类将无法生存,LOREM IPSUM DOLOR,But for your timely help，we should not have completed this difficult task.(=If it hadnt been for your timely help)要不是你及时帮助，我们就完成不了这项艰巨的任务,LOREM IPSUM DOLOR,He was on business in Beijing at that time，otherwise he might have helped us.（=If he hadnt been on business in Beijing at that time）他那时候在北京出差，不然他可能就帮我们了。,LOREM IPSUM DOLOR,eg：Luckily Mary telephone to inform me of the meeting，or I would have been absent.（=If Mary had not telephone to inform me of the meeting)幸好玛丽打电话通知我要开会，否则我早就缺席会议了。,