英语语法课堂-三讲述.ppt

英语语法课堂 ——By Connie REVIEW 1. 我父亲通常饭后读报纸。 2.他经常周六晚上去看电影。 3.我妈妈告诉我台湾是中国的一部分。 4.如果我明天有空就去游泳。 5.请安静，我们正在听音乐。 6.你作业做完了吗？还没。 7. 到现在为止这个项目我们已经做了两年了。 CONTENT 一、条件状语从句 二、真实条件句与非真实条件句 三、非真实条件句—虚拟语气 四、名词性从句的虚拟 五、其他虚拟语气句 六、until与not until 一、条件状语从句 连接词：if, unless, as long as, only if(if only), in case that, on condition that。 分类：A真实条件句; B为非真实条件句。 e.g. 1. If it rains tomorrow, well stay at home. 2. If I were you, I would surely work harder and be better. 二、真实条件句 A.真实条件句： 句型： 条件从句　　　 主句　　 一般现在时　　 shall/will + 动词原形 Eg. 如果你多穿点衣服，你就不会着凉。 If you wear more clothes, you wont catch a cold. 补充：主将从现是指在时间状语从句、条件状语从句中，如果主句是一般将来时，从句用一般现在时替代一般将来时. 注意： (错) If you leave now, you are never going to regret it. (对) If you leave now, you will never regret it. 三.非真实条件句——虚拟语气 虚拟语气：表达一种假想或者说话者的主观愿望、建议的句子 三种时态 1.现在：与既定事实相反的的假设或者对现在的假设 2.过去：与过去事实相反的的假设 3.未来：一种对可能性的假设 1．条件从句与现在事实不一致, 其句型为： (1). 如果我现在有时间，我就会帮他的。 If I had the time now, I would help him. (2). 如果我是你，我就会帮他的。 If I were you, I would help him. 2．条件从句与过去事实不一致，其句型为： (1). 我昨天要是有时间的话，我就会帮他了。 If I had had the time yesterday, I would have helped him. 条件句谓语 主句谓语 did/were would/should/could/might+do 条件句谓语 主句谓语 had done would/should/could/might +have done 混合虚拟语气 A. Eg.如果没有小时候父母的谆谆教诲，我就不可能今天在这里做演讲。 I wouldn’t be able to give speech here today, if my parents hadn’t passed on their values to me. ? “如果你当初嫁给了他，你现在的生活就完全不一样。” “是不一样，那么你就是加油工，而他就是总统。” If you had married him instead of me, your life would be completely different. Yes, you would be a gas station worker, and he would be the president. 如果他之前学过英语，他现在有可能就有机会出国深造了。 If he had studies English before, he might have a chance of going abroad for further study now. 3．条件从句与将来事实不一致，其句型为： (1). 如果我明天有时间，我就会帮他。 If I had the time tomorrow, I would help him. (2) 如果我有来生，我一定会娶你为妻。 If I lived my life over again, I would have you as my wife. (3) 假如我把这串项链卖了，你觉得会是什么价？ What do you think would be the value of the necklace, if I sold it? 条件句谓语 主句谓语 Did/ were to / should+do