2019-2020学年北师大版高中英语课件：虚拟语气(共39张PPT)

If I were you, I would not leave her alone. I got up early this morning. Don’t touch anything on the table until the bell rings. 陈述语气 虚拟语气 祈使语气 判断：以下句子使用何种语气 一、if条件句 条件句可分为两类，一类为真实条件句，一类为非真实条件句 真实条件句使用陈述语气，表示假设的情况有可能发生 非真实条件句使用虚拟语气，表示假设的情况不可能发生, 或者可能性很小 If it should rain tomorrow, we would stay at home. If it rains tomorrow, we’ll stay at home. 非真实条件句 真实条件句　 判断：以下句子是真实条件句还是非真实条件句 If +过去式, would do If I were you, I would try it again. 1. 如果我是你，我会再试一次。 2.如果我有一百万美元，我会买下这架飞机。 If I had one million dollars, I would buy the plane. 一、与现在事实相反 I would ask George to lend us the money if I ____ him. had known B. have known C. knew D. know C If +had done, would+have done If he had worked hard, he would have passed the exam. 如果他努力学的话，他就通过这次考试了。 二、与过去事实相反 1. If Bob _____ with us, he would have had a good time. A. would come B. would have come C. had come D. came C 三、与将来事实相反 If he came/ were to come/ should come here tomorrow, I would tell him. 如果他明天来的话,我会告诉他. If + did/were