Unit 8 课时3 Section A（Grammar Focus）（情境教学课件）英语人教版2024八年级上册

该初中英语课件聚焦if引导的条件状语从句，通过情景对话（如交通方式选择）和歌词（If you ever find yourself...）导入，结合3a例句分析，引导学生观察从句与主句的位置、时态关系，搭建从语境感知到规则理解的学习支架。 其亮点在于融合语言能力与思维品质培养，以任务驱动学习。如导入用歌词激发兴趣，3c通过便条和语音信息填空巩固时态，产出环节设计真实沟通情境（朋友不接电话如何应对）促进迁移。小结用口诀帮助记忆，提升学习能力。学生能在实践中掌握语法，教师可直接使用多样化活动提升教学效率。

Section A How do we communicate? Unit 8 Let’s Communicate! 课型：语法课 课时：Grammar Focus 教学目标 能够归纳并总结出真实条件句的句式结构特点、表意功能及其用法；能够根据假设情境匹配出完整的条件句。（学习理解） 01 能够根据所选情境与同伴创编对话，并在对话中正确使用条件句，实现语言知识在真实情境中的迁移运用。 （迁移创新） 03 能够根据文本形态及内容推断出与之相关的交流方式与交际情垝，并在语境中正确运用条件句描述未来可能发生的事情。（应用实践） 02 Lead-in If we go by bus, what will happen? What if we choose the taxi? 情景导入 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. 这两个句子有什么共同点？ Presentation Read the sentences. Find more sentences with if -clauses in Section A. 3a 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 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 条件状语从句的时态和主句的时态有何关系？ 条件状语从句可以和其他句式进行转换吗？ 条件状语从句和主句的位置关系是怎样的？ Let’s think! if 引导的条件状语从句 条件状语从句 从句 主句 if 引导的条件状语从句既可位于主句之前，也可位于主句之后。位于主句之前时，从句后面要用逗号与主句隔开。 We’ll finish at 7:00 p.m. if it’s on time. If everything goes well, I’ll see you at 7:15. If the traffic is too bad, you’ll have to wait for a few minutes. If I visit China this year, I will go to the park with you. If you can make it, I’ll show you around the city and let you taste all the yummy local food. Read the sentences. Find more sentences with if -clauses in Section A. 3a 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 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. 一般现在时 一般现在时 一般现在时 一般现在时 一般现在时 一般现在时 含有情态动词的一般现在时 一般将来时 一般将来时 一般将来时 条件状语从句 零条件句 描述客观事实、自然规律、普遍真理或习惯性行为。 If + 从句， 主句 . 一般现在时 一般现在时 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. If you heat water to 100°C, it boils. 条件状语从句 结论1 一般现在 通常情况下，主句用一般将来时，if引导的条件状语从句要用 ____________时态； If it rains next Sunday, we won’t go for a picnic. If you go to the party, you will meet Uncle Zhang. If I get there early, I can see the doctor soon. I’ll ask the teacher for help if I don’t understand. We’ll plant trees on the mountains if it is fine tomorrow. Put up your hand if you have any questions to ask. 第一条件句 条件状语从句 结论2 情态 祈使句 主句不一定总是一般将来时，有时也会出现 _____ 动词+动词原形”或 _________。 If it rains next Sunday, we won’t go for a picnic. If you go to the party, you will meet Uncle Zhang. If I get there early, I can see the doctor soon. I’ll ask the teacher for help if I don’t understand. We’ll plant trees on the mountains if it is fine tomorrow. Put up your hand if you have any questions to ask. 第一条件句 Let’s summarize! if 条件状语从句 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 句型转换 借助“祈使句+ and/or +句子（一般将来时）”这一句型来转换。and 在句意上表示顺承，意为“________”；or 表示转折，意为“_____”。 那么，就 否则 If you get up early, you’ll catch the school bus. = Get up early, and you’ll catch the school bus. = Get up early, or you won’t catch the school bus. 早点起床，你就会赶上校车。 条件状语从句 句型转换 借助 ________ 或 _____ 来转换条件状语从句。 without If there is no sunshine, plants will die. =Plants will die without sunshine. 如果没有阳光，植物将会死亡。 with If you help me, I’ll get better grades. =With your help, I’ll get better grades. 如果你帮助我，我将取得更好的成绩。 Practice New Words line I haven’t seen Tom for months, so I’ll drop him a line. drop sb a line 给……写信 /laɪn/ n. 字行；便条；线 New Words detail Our teacher explained the math problem in detail. in detail 详细地 /ˈdiːteɪl/ n. 细节；详情 New Words reunion We have a big family reunion every Spring Festival. /ˌriːˈjuːniən/ adv. 严肃地；认真地 family reunion 家庭团聚 New Words seriously We must take our English homework seriously if we want to improve our grades. /ˈsɪəriəsli/ n. 团聚；重逢；聚会 take ... seriously 认真对待…… Match the two parts to make sentences. 3b 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 her by phone, A. try texting. B. 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? Fill in the blanks with the correct forms of the verbs in brackets. 3c What forms of communication are they? note voice message When do you guys usually write a note? And when do you send a voice message? Fill in the blanks with the correct forms of the verbs in brackets. 3c What forms of communication are they? note voice message When do you usually write a note? And when do you send a voice message? 1. key points 2. shopping lists 3. short message 4. phone number 5. class notes 1. interesting things 2. don’t want to type 3. share feelings 4. when we are busy 5. many words Fill in the blanks with the correct forms of the verbs in brackets. 3c go will see drop will give start will perform Give let think What forms of communication are they? note voice message Production Let’s choose the proper way of communication. If your friend doesn't answer your phone call, how will you communicate with him / her? If there is no time to text, how will you communicate? If you want to thank your classmate but she is absent, how will you communicate with her? I will send a message to her. I will make a phone call. I will ask her family members to tell her to call me back. If you want to go to bed early tonight, Let’s complete the sentences. you will feel better in the morning. Turn off the television if Let’s complete the sentences. you are not watching it. / it’s time for study. I will go to the concert, Let’s complete the sentences. if I can get the ticket. / if it doesn’t rain this weekend. Exercises —Miss Zhang, what can I do to improve my English? —I think you should realize the ________ of learning English first. A. idea B. opinion C. difficulty D. importance 2 Fu Xing will go to the science museum with us ________ she is free tomorrow. A. before B. after C. if D. although 3 If you ________ about your problems with someone, you ________ halfway to solving them. A. don’t talk; are B. won’t talk; are C. talk; will be D. will talk; will be 1 Multiple choice. 1. As long as you take your mistakes _________ (serious), you can learn a lot from them. 2. He will pass the driving test if he ___________ (not be) so careless. 3. _____ (add) some hot water if you think the tea is too strong. 4. Every time Tom meets __________ (difficulty), he always says to himself, “Yes, I can!” and tries to solve them. 5. If it __________ this Sunday, we will go to the park. (not rain) 6. If you don’t listen carefully, you ____________ (not know) the answer. seriously 用单词的适当形式填空。 isn’t / is not Add difficulties doesn’t rain won’t know Homework 1. Memorize the new words and phrases. 2. Put what we have learned into practice and write some sentences with if -clauses. 3. Finish the exercises. Homework Thank you! Lavf57.0.100 Coded by New Bilibili Transcoder v1.1 $If find self stuck in the midst of the sea, i'll see the world to find you. If you ever find itself lost in the dark, you can see, i'll be the light to get you. Find what when your friends I want, two, three, how big, and I know what I need you like in town. You be there, 哦耶。If you fall deep, I sing the song that are you, and if you never forget how much you really mean to me every day, I will remind you, find me. Me like one, two, three. Because that's what friends are exposed. Know you . know me, I be . there, like for you. Cause that's what friends supposed to do, like one, two, three. When I needed to you happy, cause that's what friends are both to. You can count on because I can count on you.