《if条件句中虚拟语气的用法》-课件.ppt

If条件句中虚拟语气的用法 主讲人：高争利 虚拟语气在虚拟条件句中的运用 1. 虚拟语气现在时 2. 虚拟语气过去时 3. 虚拟语气将来时 1.虚拟语气现在时用以表示与现在事实相反的假设或现在实现可能性不大的情况 1)Example:-Mom, if I were you, I wouldn’t ask my son to study at weekends. -Unfortunately, you are not. 2）structure: 条件从句 主句 动词过去式(be多用were) would/could/should/might+动词原形 3）eg: If I were a bird, I would fly to you. If I won the lottery, I would travel around the world. 虚拟语气现在时练习题 如果我有足够的钱，我就会出国。 If I had enough money, I would go abroad. 如果我处于你的位置，我就接受他们的提议。 If I were in your position, I would accept their offer. 2. 虚拟语气过去时 与过去事实完全相反的假设 1）Example: If I hadn’t come to work in Xinjiang, I wouldn’t have met you, and I would never have known you. But I did. 2)structure: 条件从句 主句 had+过去分词 would/could/should/might+have+过去分词 3)Eg:If we had started earlier,we should not have missed the train.如果我们早点出发，我们本不该错过这趟火车。 If she hadn’t been ill, she might have come. 如果她没生病，她就会来。 虚拟语气过去时练习题 假如我知道你的地址，我早就给你写信了. If I had known your address, I would have written to you. 假若你听从我的建议,你就不会考试不及格了. If you had taken my advice, you wouldnt have failed in the examination. 3.虚拟语气将来时 表示与将来情形相反的假设或极少有可能实现的情况 Structure： 条件从句 动词过去式/should+动词原形/were to+动词原形 主句 Would/could/should/might+动词原形 Eg: If you were to get a full mark next time,  should get I would hold a party for you. got 虚拟语气将来时练习题 假如太阳从西边升起，我就听你的。 If the sun were to rise in the west, I would follow you. 要是他明天来了，我们会大感惊讶。 If he should come tomorrow, we would be greatly surprised.