Conditionals Conditionals 条件句 条件句1. If the weather is good, we will go out tomorrow. 2. If I were you, I would study hard. 3. If you heat the ice, it turns to water. First conditional: 真实从句, 条件有可能实现的 Second conditional: 非真实从句, 不可能实现的, 与现在事实相反 Zero conditional: 零条件从句,客观事实,有先后次序 1 2 3 If从句:一般现在时，主句：将来时 条件从句为：If +主语+动词过去式； 主句为：主语+ would/should+ 动词原形 If从句:一般现在时，主句：一般现在时Review: If引导的条件状语从句: 1.First conditional: 真实从句, 条件有可能实现 2.Second conditional: 非真实从句, 不可能实现的, 与现在事实相反 3.Zero conditional: 零条件从句,客观事实,
