Unit 1 Teenagers today Understanding ideas—Grammar 课件 2026-2027学年外研版英语九年级上册

该初中英语课件聚焦“if”条件句与“because”原因从句，通过“'If I Were...' Chain Game”热身活动激活学生兴趣，结合阅读旧句复习引出语法规则，搭建从情境感知到规则归纳的学习支架。 其亮点在于游戏化导入提升学习能力，对比表格明晰功能差异培养思维品质，小组活动结合“保护传统艺术”等主题渗透文化意识。采用错误对比分析和任务型练习，学生能提升语言运用与逻辑思维，教师可直接使用系统活动设计提高教学效率。

Unit 1 Teenagers Today Understanding ideas—Grammar [图片] Learning Objectives By the end of this lesson, we will be able to： 1. master the grammar rules of "if" and "because" clauses, and clarify their functional and usage differences; 2. apply "if" and "because" to categorize, connect and rewrite sentences, and deepen the understanding of clause logical relationships; 3. use "if" and "because" flexibly to create logical sentences related to the chosen topic in group work; 4.apply the usage rules of "if" and "because" to complete the exercises. [图片] "If I Were..." Chain Game Warm-up How to Play Rule: Speak loudly and clearly. Use "If I were..., I would..." each student adds a new role and action. S1: "If I were a pilot, I would fly around the world." S2: "If I were a pilot, I would fly around the world, and if I were a chef, I would cook delicious food." ................................. We are all amazing! [图片] 鼓励学生用肢体语言配合句子，如模仿飞行、烹饪动作。如果学生卡住，教师或同学可提示。最后全班一起说："We are all amazing!" 3 Let’s review If I move my fingers, it will come to life! I felt less close to the art because people thought puppets were old-fashioned. 1.What did Zhan Haojing do to keep puppetry alive? Because puppetry was in her blood (her family tradition), and she realized she needed to keep this traditional art alive. 2.Why did she feel it was her duty? She held puppet shows at school and shared her performances online to attract young people's interest. [图片] Let’s read and find Read the sentences from the reading passage and summarise the grammar rules. (a) If I move my fingers, it will come to life! (b) I felt less close to the art because people thought puppets were too old-fashioned. [图片] Grammar: IF Clauses Using If to Talk About Conditions If + 现在时 will + 动词 Example 1: If I study hard, I will pass the exam. Example 2 : If I move my fingers, it will come to life! If 引导条件状语从句，遵循“主将从现”原则。 常见错误对比： ❌ 错误：If I will see him tomorrow, I will tell him. ✅ 正确：If I see him tomorrow, I will tell him. [图片] Grammar: Because clauses Main Clause because + Reason Example 1: I love music because it makes me happy. Example 2: I felt less close to the art because people thought puppets were old-fashioned. Because 用于说明原因，回答“why”的问题。 Using Because to Give Reasons 常见错误分析： ❌ 错误：Because I was tired, so I went to bed early. ✅ 正确：Because I was tired, I went to bed early. 或：I was tired, so I went to bed early. ❌ 错误：The reason is because I was busy. ✅ 正确：The reason is that I was busy. [图片] Grammar: 方面 if从句 because从句 核心功能 表达条件 表达原因 回答的问题 在什么条件下？ 为什么？ 时间指向 将来可能性 过去/现在/将来的原因 从句时态 一般现在时（表将来） 根据实际情况使用相应时态 主句时态 通常用将来时 与从句时态一致 [图片] Purpose: To help students learn the grammar rules of "if" and "because" clauses, clarify their functions and usage differences, and build a solid knowledge framework for the two conjunctions. 8 Let’s practice Find more sentences with if and because in the reading passage. Sentences with "if": The art will be popular again if young people are interested in it. Sentences with "because": A truth hit me—it was my responsibility to keep the art alive because the love for puppets was in my blood. [图片] Let’s practice Connect the sentences with if or because. 1. More young people got to know this art. Zhan Haojing gave puppet shows at school. _______________________________________________________________ _______________________________________________________________ More young people got to know this art because Zhan Haojing gave puppet shows at school. 2. Wang Meng joins the traditional art club. She will learn how to protect traditional art. ______________________________________________________________ ______________________________________________________________ If Wang Meng joins the traditional art club, she will learn how to protect traditional art. because连接原因和结果，if连接条件和可能的结果。 [图片] Let’s practice Complete the notice with if and because. because if because If [图片] Group work Choose a topic and work in your group. Use if and because to create sentences. Protecting the environment Learning a traditional skill Helping others in need Example Support: If we recycle more, the Earth will be cleaner. We should learn paper-cutting because it's part of our culture. Topic1 Topic2 Topic3 [图片] Purpose: To guide students to flexibly use "if" and "because" in thematic context creation, cultivate their collaborative thinking ability, and integrate grammar learning with real communication scenarios. 12 Presentation Introduce your own story about taking responsibility. When did it happen? ... Where did it happen? ... Who was there? ... What did you do? ... How did you feel? ... [图片] Show time language correct form(形式正确) accurate meaning(意义精确) proper use(使用恰当) performance gentle(仪态文雅) confidence (自信) OK Good Excellent [图片] 表演过后让学生进行投票 If you take action, you can make a difference. Because you care, the world becomes better. You are the future! [图片] [图片] 1. We want to start a programme to protect our local folk arts... 我们想要发起一个项目来保护我们的本地民间艺术...... start除了表示“开始”的意思之外，还可表示“启动；发起；创办；动身”等。表示“开始”常可与begin互换，表示其他意思一般不可用begin替换。 start在本句中表示“发起”。 例句：1) He started a small club to teach students to play the violin. 他创办了一个小型社团，教学生拉小提琴。 2) Please start the machine before you begin your work. 开始工作前，请你先启动这台机器。 3) We will start for the mountain at six tomorrow morning. 我们明早六点动身，前往那座大山。 [图片] 2. Some of these arts may soon disappear if we don’t take action. take action表示“采取行动”，其后面可跟不定式构成take action to do sth. “采取行动做某事”。 例句：1) It's time for us to take action right now. 我们现在该采取行动了。 2) We should take action to cut down pollution around us. 我们应该采取行动减少身边的污染。 [图片] 3. Then, we can work as volunteers at the museum. 然后，我们可以在博物馆当志愿者。 work as表示“当，做......（职业，身份）”。 例句：1) He wants to work as a guide after leaving school. 他毕业后想做一名导游。 2) My sister works as a part-time teacher to earn money for her study. 我姐姐兼职当老师，赚取自己上学所需的费用。 [图片] [图片] Fill in the blanks. 1. I will join the club ________ I like teamwork. 2. ________ you practice every day, you will improve. 3. She was happy _______ she won the competition. 4. ______ we don't hurry, we will be late for school. 5. He helps others _______ he is a kind person. If because because If because [图片] Each sentence has one mistake with if or because. Find and correct it. 1. If I will have time tomorrow, I will visit my grandparents who live in the countryside and help them with their garden. ________________________________________________________________________________________ _______________________________________________________________________________________ 2.Because many teenagers today are so busy with schoolwork and extracurricular activities, so they often feel stressed and don't have enough time for traditional hobbies. ___________________________________________________________________________________ ___________________________________________________________________________________ Because many teenagers today are so busy with schoolwork and extracurricular activities, they often feel stressed and don't have enough timefor traditional hobbies. If I have time tomorrow, I will visit my grandparents who live in the countryside and help them with their garden. [图片] 3.If we don't take immediate action to protect our local environment from pollution and overdevelopment, our beautiful rivers and forests are in serious danger. ____________________________________________________________________________________ ____________________________________________________________________________________ 4.Many young people don't appreciate traditional Chinese calligraphy because of it seems too difficult and old-fashioned for their modern lifestyles. ____________________________________________________________________ ___________________________________________________________________ If we don't take immediate action to protect our local environment from pollution and overdevelopment, our beautiful rivers and forests will be in serious danger. Many young people don't appreciate traditional Chinese calligraphy because it seems too difficult and old-fashioned for their modern lifestyles. [图片] Rewrite sentences. 1. Many teenagers are starting to learn traditional Chinese paper-cutting. They want to connect with their cultural heritage and create beautiful artworks for their families. _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ 2.You practice speaking English regularly with native speakers or classmates. You will gradually improve your pronunciation and become more confident in conversations. ___________________________________________________________________ ____________________________________________________________________ _________________________________________________________________ Many teenagers are starting to learn traditional Chinese paper-cutting because they want to connect with their cultural heritage and create beautiful artworks for their families. If you practice speaking English regularly with native speakers or classmates, you will gradually improve your pronunciation and become more confident in conversations. [图片] 3. We should encourage more young people to participate in community service projects. These experiences help them develop responsibility and understand the needs of others. _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ 4.Our school organizes more cultural exchange programs with students from other countries. We will gain a better understanding of different traditions and make friends around the world. ___________________________________________________________________ ____________________________________________________________________ _________________________________________________________________ We should encourage more young people to participate in community service projects because these experiences help them develop responsibility and understand the needs of others. If our school organizes more cultural exchange programs with students from other countries, we will gain a better understanding of different traditions and make friends around the world. [图片] [图片] Write 5 sentences with if and because about your daily life. Basic homework Practical homework Write a paragraph: "If I were a culture keeper, I would…" using if and because. Find a teen role model and write 3 sentences about why they are great, using because. Extended homework [图片] null 164658.05 $