Unit 5 Play by the rules Understanding ideas Grammar课件 2026-2027学年外研版英语八年级上册

该初中英语课件聚焦动词不定式作目的状语，系统讲解to do、in order to do、so as to do三种结构。课堂导入通过观察例句引导学生思考划线部分作用，引出“为了……”含义，再分结构讲解用法、位置及否定形式，最后用对比表格归纳差异，搭建从具体感知到系统梳理的学习支架。 其亮点是以“遵守规则”主题为载体，融合语法教学与文化意识培养，通过对比表格助学生辨析结构差异（思维品质），设计分层练习（句子改写、语篇应用等）提升学习能力，结合话题表达强化语言运用。学生能在实践中巩固语法并树立规则意识，教师可借助系统资料优化教学流程。

八年级上册 外研版（ 2024 新教材） ABCDEFGHIJKLMNHIJKLMNOPQRSTUVWXYZ Unit 5 Play by the rules? Understanding ideas・ Grammar 语法课 1.7.2013 ‹#› Learning objectives 学习目标 ✅ 1. 能够识别动词不定式作目的状语的结构，理解 to /in order to /so as to 的含义。 ✅ 2. 掌握三者用法区别：句首 / 句末位置、正式程度、否定形式。 ✅ 3. 能运用三种结构改写句子、完成填空，结合 “遵守规则” 话题进行表达。 ✅ 4.树立规则意识，在生活中自觉遵守各类规则。 1.7.2013 ‹#› Lead-in 课前导入 观察句子，思考划线部分作用 People follow the rules to keep safe. 人们遵守规则来保证安全。 In order to enjoy the park, we must behave well. 为了愉快游玩公园，我们必须举止得体。 💡 思考问题：to /in order to 在句中表达什么含义？ 答案：表达做事情的目的，“为了……” Look Think 1.7.2013 ‹#› 用法：最常用，表目的 “为了……” 1 位置：可放句末；也可放句首（用逗号隔开主句） 2 否定形式：not to do 3 Grammar 1 核心结构讲解 to do Grammar 1：to + 动词原形 例句： 1.We wear helmets to stay safe. 我们佩戴头盔为了保证安全。（句末） 2.To pass the test, he practises every day. 为了通过测试，他每天练习。（句首） 3.He spoke quietly not to wake others. 他小声说话，以免吵醒别人。（否定） 1.7.2013 ‹#› 用法：强调目的，语气偏正式，“为了……” 1 位置：句首、句末都可以 2 否定形式：in order not to do 3 Grammar 2 核心结构讲解 in order to do Grammar 2：in order to + 动词原形 例句： 1.In order to protect trees, we cannot cut them down. 为了保护树木，我们不能砍伐。（句首） 2.Students take notes in order to remember knowledge. 学生记笔记是为了记住知识。（句末） 3.Get up early in order not to miss the bus. 早点起床，以免错过公交车。（否定） 1.7.2013 ‹#› 用法：口语化，表目的 “为了……” 1 位置：只能放在句末，不能放在句首。 2 否定形式：so as not to do 3 Grammar 3 核心结构讲解 so as to do Grammar3：so as to + 动词原形 例句： 1.Please keep quiet so as to respect others. 请保持安静，以此尊重他人。（句末） 2.He slows down so as not to hit people. 他减速，避免撞到行人。（否定） 1.7.2013 ‹#› 三者对比总结表格 Compare and summarize 对比归纳 结构 正式程度 位置 否定形式 to do 通用，口语书面均可 句首 / 句末 not to do in order to do 较正式 句首 / 句末 in order not to do so as to do 偏口语 只可句末 so as not to do 1.7.2013 ‹#› Exercise 1 句子改写 Activity1 Rewrite the sentences 1 2 3 要求：用 to /in order to /so as to 将两句合并成一句。 例：People wear seat belts. They want to stay safe. → People wear seat belts to /in order to stay safe. We read books. We want to learn more. He runs every morning. He wants to keep healthy. They queue up. They don’t push others. → We read books to/in order to learn more → He runs every morning to/in order to /so as to keep healthy → They queue up in order not to/so as not to push others. 1.7.2013 ‹#› Exercise 2 单句填空 Activity2 Fill in the blanks 用 to / (in order) not to /so as to 填空。 1 _________ enjoy the museum, we must follow its rules. 2 Turn down your phone _________ disturb other visitors. 3 Many students work hard _________ get better grades. 参考答案： 1.In order to 2.so as not to / in order not to 3.to / in order to / so as to 1.7.2013 ‹#› exercise 3 改错辨析 1 2 3 Find the mistakes 找错并改正 So as to get good marks, he studies hard. He arrived early in order not miss the meeting. To not make noise, they walked softly. 参考答案： 1.So as to → In order to（so as to 不可放句首） 2.not miss → not to miss 3.To not make → Not to make 1.7.2013 ‹#› use in a short passage 语篇小应用 · Play by the rules 任务：阅读短文，划出文中表目的的不定式结构。 We should follow public rules. To keep public order, we wait in line. We speak softly so as not to trouble other people. In order to build a nice environment, everyone needs to do his part. 1.7.2013 ‹#› Speak& Practise 话题：What should we do to follow rules in public? 参考句型： We should ... to / in order to ... We shouldn't ... so as not to ... 示例： We should keep quiet in the library in order to respect other readers. 1.7.2013 ‹#› Summary 课堂小结 📚 语法：1. 本课语法：动词不定式作目的状语，表"为了……" 📚 语法：2. 三种结构： to do：句首、句末均可 in order to do：较正式，句首句末均可 so as to do：仅句末使用，偏口语 📚 语法：3. 否定形式：not to do / in order not to do / so as not to do 主题感悟：We follow rules to make our life better. 1.7.2013 ‹#› Homework 分层课后作业 📖 基础・全体必做 1. 完成语法配套练习，整理本课语法笔记。 📝 中等・选做 用 to /in order to /so as to 写 5 句话，描述生活中遵守规则的行为。 ✨ 提升・拓展 找出课本 Reading 文章里所有目的状语句子，摘抄到笔记本。 1.7.2013 ‹#› 感 谢 您 的 观 看 Thank You! 1.7.2013 ‹#› $