Unit8SectionA Grammar focus课件2026-2027学年人教版英语八年级上册

该初中英语课件聚焦if条件状语从句，涵盖零条件句、第一条件句及“主将从现”“主情从现”“主祈从现”结构。通过观看视频分析工人对话导入，从具体情境提炼主从句，再结合位置关系、时态规律讲解，构建从情境感知到语法应用的学习支架。 其亮点在于以视频、真实情境例句提升语言能力，如工人对话、日常沟通场景；通过主从句匹配、动词填空练习培养思维品质，如判断位置关系、辨析时态；总结口诀助力学习能力。教师可依托清晰流程教学，学生能理解语法并应用于实际，提升英语表达与逻辑思维。

Unit 8 Let’s Communicate! How do we communicate? Section A Grammar Focus 01 Lead in Watch the video and figure out what the two workers are talking about. They are talking about _______________________________ If it snows tomorrow, the office will close. If the office closes, they will stay at home and have a day off. If it doesn’t snow tomorrow, the office will stay open. If-clauses(条件从句) 这三个句子有什么共同点？ what will happen if it (doesn’t) snow(s). condition条件 result结果 if clause从句 main clause主句 02 Presentation 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. 3a if 从句 main clause主句 思考： 条件状语从句和主句的位置关系是怎样的？ 一类是 if 从句在句首的（此时从句后加逗号） 一类是 if 从句在句末的(此时从句前可不加逗号） 判断主从句 If you study hard, you will pass the exam. =You will pass the exam if you study hard. If you stay calm and say sorry, it will help. = It will help if you stay calm and say sorry. If you study English hard, you’ll do better in English. =You’ll do better in English if you study English hard. Exercise 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. 主句和从句时态有什么规律 一般现在时 一般将来时 Grammar focus 一般现在时 Grammar focus If you want to solve the problem, a face-to-face talk usually works the best. If plants don’t get enough sunlight, they turn yellow slowly. A.predictions B.facts √ zero conditional 零条件句 描述:客观事实、自然规律、普遍真理或习惯性行为。 何时用 怎么用 If + 从句 ， 主句 . 一般现在时 一般现在时 if→when If you heat water to 100℃, it boils. Grammar focus first conditional 第一条件句 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. 何时用 怎么用 描述将来可能发生的真实情况、结果或行为。 If + 一般现在时 ， will+V.原形 .（主将从现） A.predictions B.facts √ Grammar focus Put up your hand if you have any questions to ask. Study hard if you want to pass the exam. Take a rest if you feel tired. Texting can make things worse if you’re not careful with your words. You must say sorry if you are late. 主句不一定总是一般将来时，有时也会出现_______句 或______动词+动词原形”。 特殊情况 祈使 情态 （主祈从现） （主情从现） 主句+____________，从句一般现在时 结构1：主将从现 主句 主句 从句 从句 If you are sad, I will be here. If you feel lost, I will hold your hand. 一般将来时 Let’s summarize! 帮助哪吒通关 go swimming go to the zoo fly kites If the weather is fine, they will ______. If you help me, I can finish it on time. If you get up late, you must hurry up. 主句有___________ ，从句一般现在时 结构2：主情从现 情态动词 主句 主句 情态动词 情态动词 从句 从句 practice 1. If you up late, you can’t catch the bus. A. get B. got C. getting D. gets 2. If he to pass the exam, he must be careful. A. want B. wants C. will want D. wanted 3. She should see a doctor if she_____ a cold. A. had B. has C. have D. will have A B B If you go to London, visit the Science Museum. If you want to be a writer, read more books. 主句是____________ ,从句一般现在时 结构3：主祈从现 主句 主句 从句 从句 祈使句（V.原） 03 Practice Match the two parts to make sentences. 1. If we can have a face-to-face meeting， A. try texting. 2. If I have good news， B. we′ll understand each other better. 3. If you need to leave， C. you can write things down for him. 4. If you can finish your work early today， D. I′ll call you right away. 5. If the old man has difficulties in hearing， E. I′ll call a taxi for you. 6. If you can′t reach her by phone， F. will you join me for dinner? 3b if clause从句 main clause主句 B D E F C A A note Voice message 3c Scanning: What kind of texts are the two passages? How many if-clauses are there? ... If things ____________ (go) well, we ____________ (see) all those old faces again. Just think how great it will be! If you think you can come, ________ (drop) me a line and I ________ (give) you all the details about the reunion. But promise me you’ll think about it seriously . Fill in the blanks with the correct forms of the verbs in brackets. Then discuss what the situations are and whom the information is for. go will see drop will give 3c Hey, it’s me. I wanted to talk to you about the training plan for our team. The new season is coming, so it’s time to make a plan for our training. If we ___________ (start) earlier this year, I think we _____________ (perform) better. ___________ (give) me a call and ___________ (let) me know if you ___________ (think) of a good time for everyone to meet. Talk to you soon! start will perform Give let think drop me a line给我写封短信 04 Summary Let’s summarize! if 引导条件句，几个要点记心间 从句若要放前面，逗号要放句中间 条件从句表可能，主句多用将来时 条件从句表事实，主句常用现在时 if 条件状语从句 Let’s listen. If you ever find yourself stuck in the middle of the sea, I'll sail the world to find you. If you ever find yourself lost in the dark and you can't see, I'll be the light to guide you. Homework Need to do: Choose to do: 感 谢 观 看 Lavf57.0.100 Coded by New Bilibili Transcoder v1.1 $