Unit 4 课时3 Section A（Grammar）（课件）英语人教版2024八年级上册

Unit 4 Amazing Plants and Animals 主讲人：XXX 课型：语法课 Section A Grammar Contents 01 Lead in 03 Practice 04 Production 05 Summary 06 Language points 07 Exercise 08 Homework 02 Presentaion 学习目标 通过本节课学习，学生能够： 能识别并总结形容词和副词最高级的构成规则（单音节词加 “-est”，多音节词加 “most”；不规则变化如 good-best 等）；能准确说出 “the + 最高级 + 范围” 的基本结构及 “A is one of the + 最高级 + 名词复数 + 范围” 句型。（学习理解） 能完成单句填空和语篇补全任务，正确率不低于 80%；能通过趣味活动运用最高级描述竹子的特征，如生长速度、用途等。（应用实践） 能结合生活实际，用最高级描述身边的事物（如植物、动物、学习用品等），并与同伴交流，提升语法知识的实际运用能力。（迁移创新） 01 Lead in Look at the cover page(封面页) of this unit and think. In this unit, you will talk about some amazing plants and animals. use superlatives to compare more than two things. discuss the connection between plants, animals, and our lives. explore why plants and animals are important to us. Look at the cover page(封面页) of this unit and think. What do you see in the photo? What do you think of when you see the photo? Flower and bee. Nature is really amazing！Bees and flowers work together. Which animal runs the fastest? Which plant do you think is the most useful? Today we’ll learn how to express superlatives. 02 Presentation 3a Read the sentences and notice the words in bold. What are the ways to form a superlative adjective or adverb? The blue whale is the largest and heaviest animal in the world. The biggest land animal in the world is the African elephant. The cheetah runs the fastest among all land animals. I think the most useful plant in the world is bamboo. It is perhaps the most interesting plant in the world. is runs the + 最高级 (adj./adv.+est) Observe and anaylze The blue whale is the largest and heaviest animal in the world. is The cheetah runs the fastest among all land animals. runs 主系表：be+adj.最高级 主谓宾：v.+adv.最高级 形容词 / 副词最高级构成规则（一）—— 规则变化 一般情况： fast → __________；tall → __________ hard → __________；long → __________ 以“e” 结尾： large → __________；nice → __________ 以“辅音字母 + y” 结尾（变 y 为 i 加 est）： happy → __________；easy → __________ 重读闭音节（辅 + 元 + 辅，双写尾字母）： big → __________；hot → __________；thin → __________ 01 单音节词 / 部分双音节词：词尾加-est fastest tallest hardest longest largest nicest happiest easiest biggest hottest thinnest 形容词 / 副词最高级构成规则（一）—— 规则变化 useful → ______________ beautiful → ______________ colourful → ______________ popular → _____________ interesting → ______________ important → ______________ 02 多音节词 / 部分双音节词：词前加 most most useful most beautiful most colourful most interesting most important most popular 形容词 / 副词最高级构成规则（二）—— 不规则变化 原级 比较级 最高级 例句 good better __________ Bamboo is __________ material for chairs. well better __________ The panda eats ___________ among all animals. bad worse __________ This is ____________ season for bamboo growth. badly worse __________ It rains ____________ in the desert. many more __________ Pandas eat ____________ bamboo in winter. much more __________ Bamboo has ____________ uses in daily life. little less __________ This area has ____________ bamboo. far farther/further __________ __________ Bamboo grows ________________ in the south. best best worst worst most most least farthest furthest the best the best the worst the worst the most the most the least the furthest 更近一步地；更深远地 最高级核心结构与句型 范围状语： in...（在…… 里）/of...（…… 中）/among...（在…… 之间） 例句： Bamboo is the fastest-growing plant_____ the world. The cheetah is the fastest animal _____ all. 基础结构：the + 最高级 + 范围状语 in of 最高级核心结构与句型 句型 1：主语 + be + the + 最高级 + 范围 → Ginkgo is ___________ tree in the park. 句型 2：主语 + 动词 + the + 最高级 + 范围 → This bird sings________________________ in the forest. 句型 3：主语 + be + one of the + 最高级 + 可数名词复数 + 范围 → Bamboo is one of _________________ plants in China. the oldest the most beautifully the most useful 03 Practice 3b Complete the sentences with the superlative forms of the words in brackets. Among all animals, I love pandas the best. I thinkthey are__________ (cute) animals in the world. Which do you think is_________________(beautiful), the rose, the peony, or the lotus flower? Look at that butterfly! It has__________________(colourful) wings. Which animal jumps___________(high), the lion, the monkey, or the tree frog? The elephant birds were__________(large) and____________(heavy) birds ever on earth. Some could stand up to three metres tall and weigh up to 860 kg. the cutest the most beautiful the most colourful the highest the largest the heaviest 易错点精讲 易错 1：遗漏 “the” × Elephants are heaviest... √ Elephants are the heaviest... 易错 2：不规则变化混淆 × This is goodest... √ This is the best... 所有最高级前必加 the good 的最高级是 best 易错点精讲 易错 3：多音节词误用 “-est” × most beautifulest √ the most beautiful 易错 4：little 的最高级错误 × the leastest √ the least 多音节词只加 most，不加 - est little 的最高级是 least，不规则 Activity 1 — 纠错小侦探:找出并改正下列句子中的错误 Bamboo is most useful plant in Asia. Bamboo is the most useful plant in Asia. This is badest weather for pandas. This is the worst weather for pandas. She has manyest books about plants. She has the most books about plants. The tree is tallest than that one. The tree is the tallest among all. It is one of the most ancient tree in the world. It is one of the most ancient trees in the world. 缺少 the 不规则 不规则 级别错用 结构错用 Activity 1 — 纠错总结 “the” 的必用场景： 所有最高级前：the tallest /the most useful one of the + 最高级：one of the most ancient 比较级与最高级区分： 比较级（两者）：than + 比较对象 最高级（三者及以上）：+ 范围状语（in/of/among） 04 Application 3c Complete the passage with the superlative forms of the words in the box. The ginkgo tree is one of___________________living trees on earth. Ginkgo treesfirst appeared over 200 million years ago, Chinese people love the ginkgo, as it is a symbol of hope and long life, Many Chinese believe that the old ginkgo tree in the Zhongnan Mountains in Shaanxi Province is_________________.Thousands of tourists come to see it each year, especially in mid-October, as it is_________time to see it, The ginkgo tree is one of __________________trees in streets,parks, and gardens across China. When autumn comes, one of___________________activities is to take a walk under ginkgo trees, People believe the bright yellow leaves canbring joy to their heart. the most ancient ancient beautiful common good popular the most famous the best the most common the most popular Activity 2 — 竹子特性 PK 赛：分组抽取特性卡，用最高级描述 Bamboo grows __________（fast） among all plants. It is __________（世界上长得最快的植物之一） in the world. It is __________ (good) material for baskets. It is __________ （useful）plant in daily life. Sichuan has __________ (large) bamboo forests.（the largest） Its distribution is __________(wide) in China. 生长速度 用途 分布范围 1.生长速度： 规则变化：Bamboo grows __________ among all plants.（the fastest） 句型 3：It is __________ in the world.（one of the fastest-growing plants） 2.用途： 不规则变化：It is __________ material for baskets.（the best） 多音节词：It is __________ plant in daily life.（the most useful） 3.分布范围： 规则变化：Sichuan has __________ bamboo forests.（the largest） 句型 1：Its distribution is __________ in China.（the widest） Activity 3 — 最高级接龙:按座位接龙，每句用不同规则 / 句型 1.单音节词：It is __________ plant in Asia. 2.多音节词：It is __________ plant for building. 3.不规则（many）：It has __________ uses. 4.句型 2：It __________ in spring. 5.不规则（good）：It is __________ gift for farmers. 游戏规则：按顺序任意填词，符合前面的要求即可，比如单音节词，可以填写 the tallest 1.单音节词：It is __________ plant in Asia.（the tallest） 2.多音节词：It is __________ plant for building.（the most suitable） 3.不规则（many）：It has __________ uses.（the most） 4.句型 2：It __________ in spring.（grows the fastest） 5.不规则（good）：It is __________ gift for farmers.（the best） 05 Summary Summary Adjectives Sentences beautiful→most beautiful colourful→most colourful ancient→most ancient cute→cutest；high→highest；large→largest；heavy→heaviest；fast→fastest； in the world among all animals across China among plants ①主语 + be + the + 最高级 + 范围状语 ②主语 + 动词 + the + 最高级 + 范围状语 ③主语 + be + one of the + 最高级 + 名词复数 + 范围状语 Phrases popular→most popular useful→most useful 06 Language points 中考句型精讲：one of the + 最高级 结构： one of the + 最高级 + 可数名词复数（表示 “最…… 之一”） 例句拆分： one of the most ancient living trees 之一 最高级 复数名词 练习： Pandas are ________________________(最可爱的动物之一) in the world. Bamboos are _____________________________（生长最快的植物之一）in Asia. one of the cutest animals one of the fastest-growing plants 07 Exercise Let’s correct the sentences. Ginkgo is one of most ancient trees in China. ___________________________________________________________________ The cheetah runs fast among all land animals. ___________________________________________________________________ Elephants are the largestest animals on land. ___________________________________________________________________ This butterfly has colourfulest wings. ___________________________________________________________________ She thinks bamboo is the useful plant. ___________________________________________________________________ Ginkgo is one of the most ancient trees in China. The cheetah runs the fastest among all land animals. Elephants are the largest animals on land. This butterfly has the most colourful wings. She thinks bamboo is the most useful plant. Complete the Passage The ginkgo tree is one of 1.__________ living trees on earth. It’s also 2.__________ tree in many Chinese cities—you can see it in streets, parks, and gardens. Many people say autumn is 3.__________ time to visit ginkgo trees, as their leaves are 4.__________ in the year. Among animals, pandas are 5.__________ in the world. They look 6.__________ with their black-and-white fur. But if we talk about speed, the cheetah runs 7.__________ among all land animals. And elephant birds were 8.__________ and 9.__________ birds ever on earth—some were 3 metres tall! These plants and animals show nature’s wonders. Protecting them is 10.__________ way to keep our world beautiful. ancient, beautiful, common, good, popular, cute, high, large, heavy, fast 答案： 1.the most ancient（对应课件 3c 及 “one of + 最高级” 结构 ） 2.the most common（对应课件 “one of the most common trees...” ） 3.the best（对应 “good” 的最高级，描述 “最佳时间” ） 4.the most beautiful（描述银杏叶 “最美丽” ） 5.the most popular（贴合熊猫 “受欢迎” 特征 ） 6.the cutest（对应 “cute” 的最高级，描述熊猫外形 ） 7.the fastest（对应猎豹速度，课件 “runs the fastest...” ） 8.the largest（对应象鸟体型，课件 “the largest birds...” ） 9.the heaviest（对应象鸟体重，课件 “the heaviest birds...” ） 10.the best（总结 “保护是最好的方式” ，不规则变化 ） Complete the Passage 答案： 1.the most ancient（对应课件 3c 及 “one of + 最高级” 结构 ） 2.the most common（对应课件 “one of the most common trees...” ） 3.the best（对应 “good” 的最高级，描述 “最佳时间” ） 4.the most beautiful（描述银杏叶 “最美丽” ） 5.the most popular（贴合熊猫 “受欢迎” 特征 ） 6.the cutest（对应 “cute” 的最高级，描述熊猫外形 ） 7.the fastest（对应猎豹速度，课件 “runs the fastest...” ） 8.the largest（对应象鸟体型，课件 “the largest birds...” ） 9.the heaviest（对应象鸟体重，课件 “the heaviest birds...” ） 10.the best（总结 “保护是最好的方式” ，不规则变化 ） 答案： 1.the most ancient（对应课件 3c 及 “one of + 最高级” 结构 ） 2.the most common（对应课件 “one of the most common trees...” ） 3.the best（对应 “good” 的最高级，描述 “最佳时间” ） 4.the most beautiful（描述银杏叶 “最美丽” ） 5.the most popular（贴合熊猫 “受欢迎” 特征 ） 6.the cutest（对应 “cute” 的最高级，描述熊猫外形 ） 7.the fastest（对应猎豹速度，课件 “runs the fastest...” ） 8.the largest（对应象鸟体型，课件 “the largest birds...” ） 9.the heaviest（对应象鸟体重，课件 “the heaviest birds...” ） 10.the best（总结 “保护是最好的方式” ，不规则变化 ） 08 家庭作业 Homework Homework 基础作业： 抄写并背诵不规则最高级表，并用竹子相关词汇造句 提升作业： 用最高级写 5 句关于 “竹子” 的句子 拓展作业： 和家人讨论 “家里最特别的植物”，用英语记录对话（至少 3 句）。 Thank you for your listening! $$