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Unit 4 Amazing Plants and Animals Section A (Grammar) 导学案
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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）
学习 重难点 重点：掌握形容词和副词最高级的构成规则（规则与不规则变化）；正确运用 “the + 最高级 + 范围”“A is one of the + 最高级 + 名词复数 + 范围” 结构描述事物。 难点：区分多音节词与单音节词的最高级构成；在语篇和活动中灵活运用不规则变化的最高级（如 “the most ancient”“the best”）。
课前预习 词汇变形（基础题） 请写出下列形容词 / 副词的最高级形式。 cute→_________ beautiful→________ colourful→________ 二、选择与填空（提高题） 从方框中选择合适的范围状语，填入下列含最高级的句子空白处。 Pandas are the cutest ______. Mount Qomolangma is the highest ______. The elephant is the heaviest ______. Football is the most popular ______. Bamboo is the most useful ______.
课堂探究
Lead in Which plant do you think is the most useful Which animal runs the fastest Today we’ll learn how to express superlatives.
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. 形容词 / 副词最高级构成规则（一）—— 规则变化 01 单音节词 / 部分双音节词：词尾加-est 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 → _________ 02 多音节词 / 部分双音节词：词前加 most useful → ______________ beautiful → ______________ colourful → ______________ popular → _____________ interesting → ______________ important → ______________ 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goodbetter__________Bamboo is __________ material for chairs.wellbetter__________The panda eats ___________ among all animals.badworse__________This is ____________ season for bamboo growth.badlyworse__________It rains ____________ in the desert.manymore__________Pandas eat ____________ bamboo in winter.muchmore__________Bamboo has ____________ uses in daily life.littleless__________This area has ____________ bamboo.farfarther further__________ __________Bamboo grows ________________ in the south.
最高级核心结构与句型（基础结构：the + 最高级 + 范围状语） 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. 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.
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. 易错点精讲（在原句上改错，并记录笔记） 易错 1：遗漏 “the” Elephants are heaviest... √ ________________________ 易错 2：不规则变化混淆 This is goodest... √ ________________________ 易错 3：多音节词误用 “-est” most beautifulest √ ________________________ 易错 4：little 的最高级错误 the leastest √ ________________________ 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. This is badest weather for pandas. She has manyest books about plants. The tree is tallest than that one. It is one of the most ancient tree in the world. 纠错总结：____________________________________________________________________ ____________________________________________________________________
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. Activity 2 — 竹子特性 PK 赛：分组抽取特性卡，用最高级描述 Activity 3 — 最高级接龙:按座位接龙，每句用不同规则 / 句型 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 单音节词：It is __________ plant in Asia. 多音节词：It is __________ plant for building. 不规则（many）：It has __________ uses. 句型 2：It __________ in spring. 不规则（good）：It is __________ gift for farmers.
Exercise 一、改写为正确句子 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. ___________________________________________________________________ 根据汉语提示，补全句子。 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.
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）
【参考答案】
课前预习 一、词汇变形（基础题） 第一列： cutest most beautiful most colourful 第二列： highest largest heaviest 二、选择与填空（提高题） among all animals in the world among all animals in the world among plants
课堂探究
情景导入
学习理解 Presentation 主系表：be+adj.最高级 主谓宾：v.+adv.最高级 01 fastest；tallest；hardest；longest； largest；nicest； happiest；easiest； biggest；hottest；thinnest 02 most useful；most beautiful；most colourful；most popular；most interesting；most important 最高级核心结构与句型：in；of；the oldest；the most beautifully；the most useful
应用实践 Practice Complete the sentences with the superlative forms of the words in brackets.（3b） the cutest；the most beautiful；the most colourful；the highest；the largest；the heaviest 易错点精讲 Activity1
迁移创新 Complete the passage with the superlative forms of the words in the box.（3c） the most ancient；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（略） Activity 3 — 最高级接龙:按座位接龙，每句用不同规则 / 句型（略）
课堂练习 Let’s correct the plete the Passage 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 ）
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