Unit 6 Making Use of Tools grammar课件 2024-2025学年中职英语高教版（2023修订版）工科类职业模块

Enjoy a short video ”Five hundred miles“ If you miss the train I'm on, you will know that I am gone. If he wants to go shopping, ... I want to go shopping today. Think and say If he wants to go shopping, he must wear a mask. If he wants to go shopping, he need take his temperature. If he wants to go shopping, keep more than one meter away from people. Look and think 1. If you miss the train I'm on, you will know that I am gone. 2. If he wants to go shopping, he must wear a mask. 3. If he wants to go shopping, he need take his temperature. 4. If he wants to go shopping, keep more than one meter away from people. If引导的从句在复合句中表示主句的动作发生的条件、假设，我们称之为条件状语从句。 条件状语从句常见的引导词 if (如果) unless=if...not (除非，如果不) as long as (只要) 引导词 If的位置 If引导的条件状语从句的结构 1. Nothing is impossible if you put your heart into it. 2. If you put your heart into it, nothing is impossible. 主句+条件状语从句 条件状语从句，+主句 时态的运用 If you invite him, he will come. 当主句是一般将来时，从句需用一般现在时。 If引导的条件状语从句的时态（1） “主将从现” 注意：主句由will引导一般将来时，不能用be going to 的结构。 拓展：由when , as soon as , not until 等引导的时间状语从 句也是遵循“主将从现”原则。 如： I will tell him about it as soon as he comes back. 1. If you want to lose weight, you must eat less bread. 2. If you are weak in English, don't give up trying. If引导的条件状语从句的时态（2） 时态的运用 当主句是一般现在时（含有情态动词may/can/must/should和祈使句），从句也用一般现在时。 口诀：主将从现，主情从现，主祈从现 句型的相互转换 1. If you work hard, you'll pass the exam. =Work hard, and you'll pass the exam. 2. If you don’t hurry up, you’ll be late. =Hurry up, or you’ll be late. 3. If you help me，I'll finish the work. 4. If there is no water, fish will die. =With your help，I'll finish the work. =Fish will die without water. 借助于祈使句+and∕or+简单句转化，and表示顺承，or表示转折 If在两个从句中的区别 在条件状语从句中，if表示“如果”； 在宾语从句中表示“是否”。 If在条件状语从句和宾语从句中的区别 I don't know if it will rain tomorrow. If it rains, I will stay at home. 宾语从句 条件状语从句 1. If she ________(finish) work early, she can go home. 2. If the weather is fine, we ________(go) for a walk. 3. If he _______(call) to you, tell him I will ring back. 4. Unless you speak to him first, she _________(not speak) to you. 5. I don't know if he _______(come) tomorrow. If he ____(come), I'll let you know. have a try 用所给词的适当形式填空。 finishes will go calls won't speak will come comes （主情从现） （主将从现） （主祈从现） 1. If she ________(finish) work early, she can go home. 2. If the weather is fine, we ________(go) for a walk. 3. If he _______(call) to you, tell him I will ring back. 4. Unless you speak to him first, she _________(not speak) to you. 5. I don't know if he _______(come) tomorrow. If he ____(come), I'll let you know. have a try 用所给词的适当形式填空。 If we work together with our efforts, we will win. ”You Are Not Alone“ Enjoy a short video ”Five hundred miles“ If you miss the train I'm on, you will know that I am gone. If he wants to go shopping, ... I want to go shopping today. Think and say If he wants to go shopping, he must wear a mask. If he wants to go shopping, he need take his temperature. If he wants to go shopping, keep more than one meter away from people. Look and think 1. If you miss the train I'm on, you will know that I am gone. 2. If he wants to go shopping, he must wear a mask. 3. If he wants to go shopping, he need take his temperature. 4. If he wants to go shopping, keep more than one meter away from people. If引导的从句在复合句中表示主句的动作发生的条件、假设，我们称之为条件状语从句。 条件状语从句常见的引导词 if (如果) unless=if...not (除非，如果不) as long as (只要) 引导词 If的位置 If引导的条件状语从句的结构 1. Nothing is impossible if you put your heart into it. 2. If you put your heart into it, nothing is impossible. 主句+条件状语从句 条件状语从句，+主句 时态的运用 If you invite him, he will come. 当主句是一般将来时，从句需用一般现在时。 If引导的条件状语从句的时态（1） “主将从现” 注意：主句由will引导一般将来时，不能用be going to 的结构。 拓展：由when , as soon as , not until 等引导的时间状语从 句也是遵循“主将从现”原则。 如： I will tell him about it as soon as he comes back. 1. If you want to lose weight, you must eat less bread. 2. If you are weak in English, don't give up trying. If引导的条件状语从句的时态（2） 时态的运用 当主句是一般现在时（含有情态动词may/can/must/should和祈使句），从句也用一般现在时。 口诀：主将从现，主情从现，主祈从现 句型的相互转换 1. If you work hard, you'll pass the exam. =Work hard, and you'll pass the exam. 2. If you don’t hurry up, you’ll be late. =Hurry up, or you’ll be late. 3. If you help me，I'll finish the work. 4. If there is no water, fish will die. =With your help，I'll finish the work. =Fish will die without water. 借助于祈使句+and∕or+简单句转化，and表示顺承，or表示转折 If在两个从句中的区别 在条件状语从句中，if表示“如果”； 在宾语从句中表示“是否”。 If在条件状语从句和宾语从句中的区别 I don't know if it will rain tomorrow. If it rains, I will stay at home. 宾语从句 条件状语从句 1. If she ________(finish) work early, she can go home. 2. If the weather is fine, we ________(go) for a walk. 3. If he _______(call) to you, tell him I will ring back. 4. Unless you speak to him first, she _________(not speak) to you. 5. I don't know if he _______(come) tomorrow. If he ____(come), I'll let you know. have a try 用所给词的适当形式填空。 finishes will go calls won't speak will come comes （主情从现） （主将从现） （主祈从现） 1. If she ________(finish) work early, she can go home. 2. If the weather is fine, we ________(go) for a walk. 3. If he _______(call) to you, tell him I will ring back. 4. Unless you speak to him first, she _________(not speak) to you. 5. I don't know if he _______(come) tomorrow. If he ____(come), I'll let you know. have a try 用所给词的适当形式填空。 If we work together with our efforts, we will win. ”You Are Not Alone“ null 44472.0 null 44472.0 $$