Unit 1 Grammar课件 2026-2027学年外研版英语九年级上册

这是一份初中英语同步教学课件，围绕“Unit 1 Teenagers today”展开，包含导入问题、条件与原因状语从句语法讲解、练习及写作任务。通过定义解析、例句对比、“主将从现”等规则总结，结合“活学活用”“趁热打铁”等练习，搭建从语法学习到写作应用的学习支架。 资料特色鲜明，融合核心素养，以木偶艺术导入激发兴趣，结合粤剧写作任务渗透文化意识。语法讲解结构化，通过“避坑指南”辨析错误提升思维品质，多样化练习强化语言能力。帮助学生系统掌握状语从句，提升写作表达，为教师提供逻辑清晰、可操作性强的同步教学资源。该资料适合初中低年级学生，此时学生正处于英语语法基础构建阶段，需通过系统讲解和实践应用培养语言运用能力与文化认知。

Unit 1 Teenagers today answer the questions The puppet art will become less popular and might disppear in the future. To keep the puppet art alive. What is Zhan Haojing’s duty? lead in what will happen if Zhan Haojing and other young people do not take this duty? Do you know what these sentences are? Adverbial Clause If you're happy and you know it, clap your hands If you're happy and you know it, you really want to show it. 一、条件状语从句的定义 if “如果，假如”， 它引导的句子表示某事发生所需要的条件，即“在……条件下，某事才能发生,”在句子中充当状语，因此称之为条件状语从句。 主句 总结：有if引导的句子，叫_____，另一句子则为_____ 从句 从句 主句 If you‘re happy and you know it, clap your hands. If I have enough money, I will buy an ipad. 活学活用：利用所给词造句 If I am ill, I will see a doctor. If I have enough money, I will travel around the world. ill， see a doctor have enough money, travel around the world I will see a doctor if I am ill. I will travel around the world if I have enough money. 总结：从句在前，主句在后，_____ 逗号隔开； 主句在前，从句在后，_____逗号隔开。 有 没有 If I have enough money, I will travel around the world If I am ill, I will see a doctor. If I am hungry, I will eat some food. If it rains tomorrow, I will watch TV at home. 总结①：在if引导的条件状语从句中，主句用将来时，从句用现在时，简称_________ “主将从现” hungry, eat some food rain, watch TV rains am will watch will eat 二、学习条件状语从句要注意的问题 Please call me if she _______ (pass) the exam. Please dress him if he______(feel) cold. 总结②：在if引导的条件状语从句中，主句用祈使句，从句用现在时，简称__________ passes feels “主祈从现” We may become lazy if we ____ (have) robots do everything for us. You must stop if the traffic light ____ (be) red. 总结③：在if引导的条件状语从句中，主语含有 can, must, may, should等情态动词时，从句用现在时，简称________ “主情从现” is have 趁热打铁： If he ______(arrive) tomorrow, I will be waiting for him at the airport. He can go home if he _____ (finish) his homework. 3. If it is cold tomorrow, he _______(wear) his coat. arrives finishes will wear 条件状语从句的其他引导词 unless， as/so long as 1、unless引导的条件句，表示强烈的否定。翻译为“除非…”。“非……不可。” 你不努力就会失败的。 我不叫你就别来。 You will fail unless you work harder . Don’t come unless I call you . As long as there is life there is hope. Nothing is impossible as long as you try and stick to it. 2. as long as 只要…就…，表示一种前提条件 留得生命在,不怕没希望. 能力提升： Don’t promise anything ______ you are one hundred percent sure 2. __ he thought he could escape attention by sitting at the back, he was wrong. 3. He ____________ (not leave) unless it is fine tomorrow. 4. If he ___________(not come)on time, we will go without him. 5. If you help me, I ________(finish) my task on time. unless If doesn’t come will finish will not leave Summary： 1.条件状语从句的定义 2.条件状语从句注意问题 3.其他的引导条件状语从句的引导词 “主将从现” “主祈从现” “主情从现” unless，as/so long as 一、基本概念 原因状语从句是英语中用于说明主句动作或状态发生原因的从句，修饰主句中的谓语动词，解释“为什么”会发生某事。 原因状语从句可放在主句前，也可放在主句后。 原因状语从句 Lily won’t go to Beijing tomorrow, because she is badly ill. Becaus it’s really hot, all of us don’t want to go out. 17 二、引导原因状语从句的连词及用法 常用引导词because 表示直接、强烈的因果关系，通常用于回答“why” 引导的疑问句。 — Why didn’t you finish the work? 你为什么没完成工作？ — Because I ran out of time. 因为我没时间了。 1 18 since，表示已知的、显然的原因，意为“既然”， 引导的从句通常置于句首。 Since everyone is here, let’s start the discussion. 既然大家都到了，我们开始讨论吧。 Since you have known the truth, I don’t need to hide it. 既然你已经知道真相，我就不用隐瞒了。 2 19 I love practicing English because it is like a fun game. 我爱练习英语，因为它就像场好玩的游戏。 Let's move to the next challenge since everyone already knows the answer. 既然大家都知道答案了，我们就移步到下一项挑战吧！ 主句在前，从句在后（通常不加逗号） 原因状语从句的位置很灵活，有2种情况： 1 2 从句在前，主句在后（从句后面要加逗号） Because it is like a fun game, I love practicing English. Since everyone already knows the answer, let’s move to the next challenge. 中文思维：因为我很累，所以我想睡觉。 错误英语：Because I am tired, so I want to sleep. （×） （在一个英语句子里，只能有一个“连词”，不能同时出现 because 和 so） 正确表达（二选一） I want to sleep because I am tired. （✔） I am tired, so I want to sleep. （✔） 避坑指南！—常见错误解析 “because”和“so”连用（大错特错！） 错误1： 就像Though和but不能连用一样，because和so也同样不能连用。这是出题老师最爱设置的陷阱之一！ Find more centences with this structures in the passage. More young people got to know this art because Zhan Haojing gave puppet shows at shool. Puppetry will develop fast if young people get interested in this art and bring creativity. Because many arts are in danger today, we want to start a programme. Some arts will soon disappear if we don’t act now. If we don’t know the arts well, it is difficult to see how to help. We can work with the folk art museum first because it’s the best place for us to learn. 1. Why does the Colourful Folk Arts Group want to start a programme? 2. What can they do after learning in the folk art museum? Because lots of Chinese local folk arts are in danger and may disappear soon. They can work as volunteer guides at the museum and cooperate with folk artists. at the cultural center/ theater/at school last month/ week my grandfather/ my best friend I watched the show, then told my best friend about it, showed her a short video, and we decided to learn a song together. Proud and responsible. (I felt proud because small actions matter.) Cantonese Opera It’s my duty to proctect Cantonese Opera. If I do nothing, then.... I believe everyone can help. My teacher encouraged me to watch.... Then and there, I decided to tell my friend about it. My Little Responsibility for Yueju Last month, my grandma took me to a Cantonese opera show. At first, I didn’t understand it. But the costumes and singing were beautiful. After the show, I learned that few young people watch Yueju. Then and there, I decided to do something. I believe everyone can help, even in a small way. It is my duty to share our culture. So I told my best friend about the show and showed her a short video. If I do nothing, then this art may disappear. My friend encouraged me to learn one simple song together. I felt proud because I believe small actions matter. Responsibility starts with me. That’s all！Thank you. $