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课件网) if条件状语从句 如果我有三个愿望，我会做什么？ 变得有钱 如果我有钱，我就可以吃小龙虾不用考虑它的价格。 长高 我的学生都爱我， 爱学习 如果我的学生都爱我，爱学习，那么他们就能学好英语。 如果我变高了，我就可以呼吸到更新鲜的空气了。 如果： 请帮我圆梦 如果我有钱，我就可以吃小龙虾不用考虑它的价格。 If I am rich, I can eat crayfish without considering its price. if conj. 如果我长高了，我就可以呼吸到新鲜的空气了。 If I grow taller, I can breathe fresh air. 如果： 请帮我圆梦 if conj. 如果我的学生都爱我，爱学习，他们就能学好英语。 If my students all love me and studying, they will learn English well. 如果： 请帮我圆梦 if conj. 如果我有钱，我就可以吃小龙虾不用考虑它的价格。 如果我的学生都爱我，爱学习，那么他们就能学好英语。 如果我变高了，我就可以呼吸到新鲜的空气了。 如果…… 条件 if If I am rich, I can eat crayfish without considering its price. If I grow taller, I can breathe fresh air. If my students all love me and studying, they will learn English well. 1. 引导词 (1) if 表示在某条件下，某事很可能发生 含义：“如果” If I grow taller, I can breathe fresh air. If I am rich, I can eat crayfish without considering its price. If my students all love me and studying, they will learn English well. 条件状语从句的概念： 由引导词_____引导的状语从句叫做条件状语从句，即 ”在......条件下，某事才能发生。“即，“在······条件下， 某事才能发生，”在句子中充当状语，因此叫 状语从句。 if 1. If it doesn’t rain tomorrow, we’ll go to the Great Wall. 2. Telephone me this evening. I‘ll be at home. 3. He won't go swimming. 4.If you ask him，he will help you. 判断下列语境是否使用条件状语 I can breathe fresh air if I grow taller. 从句在前加逗号 从句在后无逗号 条件状语从句的结构特征 通常：从前_____，从后_____。 有逗 无逗 If I grow taller, I can breathe fresh air. If引导条件状语从句的位置。 当if引导条件状语从句时，既可以放在句中，也可以放在句首。但当if引导的条件状语从句放在句首时，从句后面要加逗号与主句隔开。 eg.You will have a great time you go to the party. = you go to the party you will have a great time. if If , 如何判断主句和从句？ 不管if在句首还是句中，紧跟在if后面的句子是从句，反之，另一句是主句。 eg. 1、 you love me. you love me， I love you. I love you 2、 If If _____ _____ _____ _____ 从句 主句 从句 主句 1. If you are not too tired, let’s go out for a walk. 2. I will travel around the world if I have enough money, 3. If it rains tomorrow, we won’t go on a park. 4. If the rain stops, I shall go out for a walk. 5. You will keep healthy if you do more exercise. 请用 “_____” 划出下列句子的主句，用“ ” 划出句子的从句。 知识点导入 If she has free time,she will help her mum do housework. 知识点导入 If my father is free, he will go camping with me. If it doesn’t rain this weekend, we will have a picnic. 知识点导入 知识点小结 If she has free time, she will help her mum do housework. If my father is free, he will go camping with me. If it doesn’t rain this weekend, we will have a picnic. if引导的句子叫作__ ... ...
