Unit 8 Grammar Focus 课件2025-2026学年人教版英语八年级上册

该初中英语课件聚焦if引导的条件状语从句，通过补全Section A课文中的情境句子（如解决问题、发信息等）导入，搭建从文本理解到语法学习的支架，帮助学生衔接已知与新知。 其亮点是以情境任务驱动，通过匹配句子、填空练习及写生日派对语音短信等活动，培养语言能力和思维品质。采用“导入-呈现-练习-产出”教学法，学生能在真实情境中运用语法，教师可借助范例提升教学效率。

新人教八年级上册 Unit 8 Let’s Communicate! Grammar Focus YOUR LOGO 思想一致 At the end of this part, you will be able to identify and state the basic structure of “if-clauses” . Learning objectives correctly match if-clauses with main clauses and create new sentences. use if-clauses to express ideas in “communication/ planning” situations. YOUR LOGO Lead-in Read and complete the sentences from the text in Section A. If you _______ ___ _______ the problem, a face-to-face talk usually _______ the best. Texting can _______ things worse if you ___ ______ ________ with your words. If the rehearsal _____ at 7:00 p.m., I’ll ____ ____ ___ at 7:15 p.m. If you _____ calm and ____ sorry, it will ______. If I _____ there, I will _____ all the delicious local food. want to solve works make are not careful ends pick you up stay say help go try YOUR LOGO Presentation 3a Read the sentences. If you want to solve the problem, a face-to-face talk usually works the best. Texting can make things worse if you’re not careful with your words. If the rehearsal ends at 7:00 p.m., I’ll pick you up at 7:15 p.m. If you stay calm and say sorry, it will help. If I go there, I will try all the delicious local food. if引导的 条件状语从句 YOUR LOGO Find more sentences with if-clauses in Section A. If you can’t meet, just call you friend. If it is still hard to talk, take a break. If you can come, I’ll be very happy. If you want to make some new friends, this is a good chance. If you talk to ..., I think he/she will be happy to help you. YOUR LOGO 如果我去了那里，我会品尝所有美味的当地食物。 If I go there, I’ll try all the deliciouslocal food. 从句+ 主句 if引导的条件状语从句 定义：条件状语从句表示主句动作发生的前提、条件、假想和推测等。 意义：if 引导的条件状语从句表示主句发生的条件,表示假如从句动作发生,主句动作就会发生。 Summary YOUR LOGO 3.句子构成 If you don’t hurry up, you’ll be late. 0 if引导的条件状语从句 主句 =You’ll be late if you don’t hurry up. 0 if引导的条件状语从句 主句 注意：if引导的条件状语从句可以放在主句之前，用逗号隔开； 也可以置于主句之后。 YOUR LOGO 主句 从句时态 当主句用一般将 来时时 If he comes, he will bring his violin. 如果他来, 他会带来他的小提琴。 当主句的谓语中含 有can、may、must 等情态动词时 If you want to lose weight, you must eat less meat. 如果你想减肥, 你必须少吃肉。 当主句为祈使句时 If you are not strong enough, please don’t take part in such an activity. 如果你不够强壮, 请不要参加这样的活动。 4.if条件状语从句遵循“主将从现”原则 YOUR LOGO If you study hard, you will pass the exam easily. =_______ _____, _____ you will pass the exam easily. 5.关于if条件状语从句的句型转换 If there is no water, fish will die. = Fish will die ________ water. ❶借助“祈使句+and/or+陈述句(一般将来时)”这一句型来 转换。 ❷借助without 或with来转换。 and Study hard without YOUR LOGO Practise 3b Match the two parts to make sentences. 1. If we can have a face-to-face meeting, 2. If I have good news, 3. If you need to leave, 4. If you can finish your work early today, 5. If the old man has difficulties in hearing, 6. If you can’t reach him by phone, A. try texting. B. I think we’ll understand each other better. C. you can write things down for him. D. I’ll call you right away. E. I’ll call a taxi for you. F. will you join me for dinner? 马上 在……有困难 YOUR LOGO 3c Fill in the blanks with the correct forms of the verbs in brackets. go will see drop will give start will perform Give let think 给我写信 YOUR LOGO Then discuss what the situations are and whom the information is for. Way of communication: _______________________ a letter or a note For: _______________________ _______________________ old classmates or friends YOUR LOGO Then discuss what the situations are and whom the information is for. Way of communication: _______________________ a voice text message For: _______________________ teammates YOUR LOGO Production Write a short voice text message with your teammates. If you and your friends want to have a birthday party for your best friend Lily, what preparations should you do? Write a voice text message to your friends to discuss about them. Try to use the adverbial clauses introduced by “if ”. YOUR LOGO If we want to prepare a birthday party, we can think about: We can use the useful expressions: • time • location • guests • food and drinks • activities • Hey, it’s me. • I want to talk to you about ... • It’s time to ... • If we want to ..., we can ... • How / What about ...? • Talk to you soon! YOUR LOGO Sample writing Hey, it’s me. I wanted to talk to you about Lily’s birthday party next week. It’s time to make a plan for the party. If we want to find a quiet place, the Moon restaurant is a good choice. We can invite Mr Smith to come if we want to make Lily surprised. How about preparing some potato chips and juice? Friends will be happy if we serve them the delicious food. What’s your idea? Talk to you soon! YOUR LOGO Go to bed early, or you’ll feel sleepy the next morning.(改为同义句) ____ ____ ____ go to bed early, you’ll feel sleepy the next morning. Without your help, I won’t work out the problem.(改为同义句) ____ you _______ help me, I won’t workout the problem. I can finish the work on time. He’ll help me. (用if合并为一句) ______ he ______ me, I _____ _____ the work on time. We can’t finish the work if you don’t help us.(改为同义句) We can’t finish the work ________ you _____ us. 一、完成句子。 If you don’t If don’t If helps can finish unless help YOUR LOGO 如果你加入剪纸俱乐部，我们会免费为你提供工具。 We ______ _______ you with tools for free if _____ ____ the Paper Cutting Club. 如果天晴，我喜欢在河里游泳。 If ___ ___ sunny, I ____ ____ swim in the river. 我不知道她下个月是否会来，如果她来，请让我知道。 I don’t know if she _____ _____ next month. If she ______, please let me know. 如果你想和Jenny交朋友，约她逛街是个不错的选择。 If you ______ __ make friends with Jenny, inviting her to hang out ____ a good choice. 二、根据汉语意思补全句子(每空一词)。 will provide you join it is like to will come comes want to is if引导的宾语从句 if引导的条件状语从句 动名词作主语 YOUR LOGO 新人教八年级上册 Thank you! YOUR LOGO $