Unit 5 课时3 Understanding ideas（Grammar）（课件）英语外研版八年级上册（2026秋季修订）

该初中英语课件聚焦“to/in order to/so as to”作目的状语的语法知识，通过“走进校园”场景视频导入，以“学生为何做某事”提问引导用“to”回答，逐步过渡到“in order to/so as to”，搭建从已知到未知的学习支架，帮助学生构建语法知识体系。 其亮点在于融合语言能力、思维品质与文化意识，通过团队竞赛（快速造句）、小组讨论（分析结构作用）、情境应用（写信给Story Aunt、分享规则故事）等活动，如“男孩打破花瓶诚实复命”故事传递价值观，提升学生逻辑表达与语法运用能力，教师可借助清晰结构和多样活动高效开展教学。

Play by the rules? Unit5 Understanding ideas (Grammar) 初中英语 / 外研版 / 八年级上册 学习目标 1.能通过观察教材中 “to, in order to, so as to” 的例句，准确识别其 “动词原形前加 to/in order to/so as to” 的结构特征，理解三者 “用于表达行为目的” 的核心语法功能；能小组合作归纳出三者的细微差异，初步构建目标语法的知识体系。（学习理解） 01 2.能在阅读语篇中快速定位含 “to, in order to, so as to” 的句子，分析并口头阐述句子中 “行为” 与 “目的” 的逻辑关联，提升语篇中语法结构的识别与解读能力。（应用实践） 02 能结合 “男孩打破花瓶后诚实留便条” 的故事线索，运用 “to/in order to/so as to” 完成给 Story Aunt 的信件写作，使故事叙述更具逻辑连贯性，同时自然传递 “诚实与规则应存于内心” 的情感与价值观念，实现语法在叙事语篇中的创造性运用。（迁移创新） 03 Contents Lead in 01 Presentaion 02 Production 03 Summary 04 Language points 05 06 Exercises 07 Homework 08 3 Lead in 01 4 Look at the video,think about the question Why do the students walk into school? 5 why do the students running in the play ground ? Look at the video,think about the question 6 Why do they go into the dining hall? Look at the video,think about the question 7 Look at the video,think about the question Why do they go into the dining hall? They running in the play ground to play games and have fun why do the students running in the play ground ? They walk into school to have class. Why do the students walk into school? they go into the dining hall to have lunch. Team competition: Use “to” to say the words quickly I draw pictures to make a birthday card for my mom. draw pictures I prepare for a test to get a good grade. prepare for a test Team competition: Use “to” to say the words quickly I fix a broken chair to let mother sit on it. fix a broken chair Team competition: Use “to” to say the words quickly I join the chess club to play chess with friends. join the chess club Team competition: Use “to” to say the words quickly I return library books in order to give them back on time. return library books Team competition: Use “to” to say the words quickly Today, we’ll learn how to use "to do", "in order to do" and "so as to do" to tell why we do things. Presentaion 02 14 Look at the example sentences and answer. (a) I got on the train to go home. What’s his purpose of getting on the train？ (b) I went to a quiet area in order to read. (c) I held my breath so as to reduce the smell coming from Mr Smelly Food. Why does he choose a quiet area? Why does he covered your nose？? If you go to the library, what’s your purpose? Can you use these structures? to, in order to, so as to Group discussion: What do these three structures (to, in order so as to) do in a sentence? (a) I got on the train to go home. (b) I went to a quiet area in order to read. (c) I held my breath so as to reduce the smell coming from Mr Smelly Food. 作用：    结构： 转换： Summarize the grammar rules 均表示“为了……（目的）” to / in order to / so as to + 动词原形。 多数情况可互换； in order to,so as to更强调目的 to更简洁 so as to一般不用于句首 in order to可用于句首。 Practice 03 19 Now find more sentences with these structures in the reading passage. I turned around so as to see the other passengers’ faces. I covered my ears in order to block the noise coming from Rock Girl. 20 Rewrite the sentences with to, in order to and so as to. 1 People wear seat belts in cars. People want to stay safe on the road. ——————————————————————————— 2 Sally arrived at the train station before 6:00 am. She needed to catch the earliest train. ——————————————————————————— 3 I listened carefully in maths class. I hope to improve my grades. ——————————————————————————— People wear seat belts in cars to stay safe on the road. Sally arrived at the train station before 6:00 am in order to catch the earliest train.   I listened carefully in maths class so as to improve my grades. 21 Compete the letter to Story Aunt using the notes in brackets and the target grammar you have learnt. Dear Story Aunt, 1__________________________________ (I'm writing / share a touching story). 2_______________________________(yesterday, I left my flat / go to work). However, I found my favourite flowerpot broken.3______________________________________________ (I picked up the pieces / clean up the mess). Then I saw a note. It was from a boy. He said he broke the flowerpot while playing basketball. 4______________________________(he wrote the note / say sorry to me). He also left his phone number with some money. I’m writing to share a touching story Yesterday, I left my flat to go to work   I picked up the pieces to clean up the mess He wrote the note to say sorry to me 22 His honesty made me respect him. Telling the truth isn't always easy. However, he followed the rules in his heart. I'm 5________________________________________(sharing my story / spread some happiness). In the story, we can see the kindness in small things. Ms Yu, from Wenzhou sharing my story to spread some happiness 23 Production 04 Work in pairs. Share a story of following rules. Use the words and expressions from the reading passage and the Useful expressions to help you. Example Conversation When did the story happen? Where did the story happen? What did you do ? What have you learnt? Last.., l... Please... I love doing... in order to... People have to... I tried to... This rule is useful because... From this experience, I have learnt that... Useful expressions Summary 05 27 动词不定式可以在句中作目的状语，表示行为动作的目的。 e.g. The WWF is working hard to save all the animals. 世界自然基金会正在努力挽救所有的动物。 She practises every day to improve her singing skills. 她每天都在练习，以提高自己的歌唱技巧。 e.g. Dylan trained hard to improve his basketball skills. Dylan刻苦训练以提高自己的篮球技术。 = To improve his basketball skills, Dylan trained hard. 在作目的状语时，不定式既可以放在句首，也可以放在句尾。放在句首时通常加逗号。 除了直接使用to do sth之外，我们还可以使用in order to do sth和so as to do sth来表示行为动作的目的。 e.g. He's saving money in order to buy a new computer. 为了买一台新电脑，他正在攒钱。 Linda started work early so as to finish it by five. Linda很早就开始工作，以便在五点前完成。 in order to do sth 更正式，强调目的，可位于句首或句中。否定结构： in order not to do sth. e.g. They left early in order to catch the first train. 他们早早离开，为了赶上首班火车。 In order to succeed, you must work hard. 为了成功，你必须努力。 She turned down the music in order not to disturb neighbors. 她调低音乐，以免打扰邻居。 so as to do sth 较正式，一般不位于句首。否定结构： so as not to do sth. 多用于避免负面情况。 e.g. She spoke quietly so as not to wake the baby. 她轻声说话，以免吵醒宝宝。 He checked the map so as to avoid getting lost. 他查看地图，以防迷路。 Language points 06 33 1. stay safe（保持安全） • 用法：用于描述维持安全的状态，可作目的状语、表语等。 • 例句：Please remember to stay safe when you go hiking in the mountains.（你去山里徒步时，请记得保持安全。） 34 2. arrive at（到达） • 用法：后接小地点（如车站、公园、建筑等），表示抵达具体场所；若接大地点（如城市、国家）则用“arrive in”。 • 例句： We arrived at the park at 9 o'clock this morning.（我们今天早上9点到达了公园。）； She arrived in Beijing yesterday afternoon. （她昨天下午到达了北京。） 35 3. hope to do（希望做某事） • 用法：“hope”后接动词不定式，表达对动作的期望；需注意“hope”无“hope sb. to do”结构，若表达“希望某人做某事”，可用“hope that + 从句”。 • 例句：I hope to learn a new language this year. （我希望今年学习一门新语言。） I hope that you can pass the exam. （我希望你能通过考试。） 4. improve one’s grades（提升某人的成绩）   • 用法：“one’s”根据主语替换为形容词性物主代词（my/your/his/her等），表示提升学业或技能类成绩。   • 例句：Lisa takes extra classes to improve her grades in math.（莉萨参加课外班以提升自己的数学成绩。）   5. playing basketball（打篮球）   • 用法：是“play basketball”的动名词形式，可作状语（表时间、伴随等）、主语、宾语等。   • 例句：Playing basketball is his favorite sport.（打篮球是他最喜欢的运动。）；He met a friend while playing basketball.（他打篮球时遇到了一个朋友。） 6. follow the rules（遵守规则） • 用法：表示依照既定的规定、准则行事，可用于生活、学习、工作等各类场景。 • 例句：Students must follow the rules of the school.（学生必须遵守学校的规则。） 7. leave one’s phone number（留下某人的电话号码） • 用法：“one’s”根据主语替换为相应物主代词，用于需要留存联系方式的场景。 • 例句：If you have any questions, please leave your phone number. （如果你有任何问题，请留下你的电话号码。） 8. tell the truth（讲真相） • 用法：表示说出真实的情况，强调诚实的态度。 • 例句：It’s important to tell the truth in a court of law. （在法庭上讲真相很重要。） Exercises 06 40 一、单项选择 1．Together with the government, many local people around the reserve are doing what they can ________ wild animals. A．save B．to save C．saving 2．Our government has taken many measures ________ the product quality. A．controlling B．to control C．controls 3．________ too much plastic is bad for the Earth. ________ the Earth, we should use paper bags. A．Use; To protect B．Using; Protecting C．Using; To protect 4．—Why did he return home to be a village teacher? —________ the education of the countryside. A．Develop B．Developing C．To develop 5．Chinese athletes did what they could ________ in the Paris Olympics. A．compete B．competed C．to compete B B C C C 41 6．Penguins huddle (依偎) together ________ keep warm in the cold weather. A．for B．to C．because 7．You can surf the Internet ______ more about Craig Kielburger. A．to know B．know C．knowing 8．________ healthily, Lisa gets up early to do some sports and drinks a cup of milk every day. A．Grow up B．To grow up C．Growing up 9．It’s kind ________ you to go out of your way ________ us feel at home. A．for; to make B．of; making C．of; to make 10．Mom makes me eat an apple every day ________ the doctor away. A．keeps B．is kept C．to keep B A B C C 二、完成句子 11．为了保持身体健康，我们需要经常锻炼和均衡饮食。 , we need to exercise regularly and eat a balanced diet. 12．李明跑回家去取家庭作业。 Li Ming ran home his homework. 13．为了占到好座位，我们早早地就到达了学校的礼堂。 We arrived at the school hall early get good seats. 14．为了更好地记住东西，你可以在饭前学习。 remember things better, you can study before meals. 15．他们团结协作是为了赢得龙舟比赛。 They worked together win the dragon boat race. To stay fit and healthy to pick up so/in as/order to in order to In order to 43 Homework 08 44 基础作业：完成语法练习册相关习题，巩固结构。 进阶作业：写80词短文《我为目标做的事》，至少用3次目标结构。 拓展作业：收集“生活中目的表达”的例子。 45 Thank you！ 更多精品素材：http://shop248912786.taobao.com/index.htm （下拉可隐藏） 46 Lavf59.14.100 $null