Unit 4 Amazing Plants and Animals Section A (3a-3c) 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形容词和副词最高级，通过视频导入（如“mermaid baby”相关视频）结合动物话题，从蓝鲸、猎豹等实例切入，引导学生观察3a例句、依托表格总结变化规则及句型，搭建从感知到应用的学习支架。 其亮点在于以“银杏”为真实语境载体，渗透文化意识，通过自主观察总结规则培养思维品质，任务链（例句分析到段落写作）提升语言能力。如3c用银杏特征填空，学生能在真实情境中运用语法，教师可依托活动链高效教学。

Unit4 Amazing Plants and Animals SectionA (3a-3c) 人教版 八年级上册 01 02 03 通过观察和分析 3a 中含形容词、副词最高级的例句,说出最高级的用法,总结最高级的变化规则。 通过在具体语境中,根据单词音节数灵活选择 “- est” 或 “most” 的最高级形式,提升最高级运用的准确性和熟练度。 Learning objectives 通过分析银杏的特征(如年代、外观、常见度等),将信息转化为连贯的最高级表达,展示对最高级语法的实际运用能力。 TeacherWu英语工作室 原创设计 小红书:TeacherWu英语工作室 抖音:TeacherWu英语工作室 微信:TeacherWu678 2 在全国范围内进行选拔, 大量精英或高水平选手参与,受众广泛 选拔精英 B 难点 有效引导学生自主观察总结语法规律,发展独立思考与发散思维;帮助学生熟练、准确运用最高级完成表达,深化语法理解与长期记忆。 教学重难点 在全国范围内进行选拔, 大量精英或高水平选手参与,受众广泛 选拔精英 A 重点 依托表格探究活动,帮助学生理解并掌握形容词与副词的最高级相关知识点;引导学生结合自身实际,找到适配自己的英语学习方法。 01 Lead-in Video 02 Presentation Know about superlatives Exercises about superlatives Activity 1: Let’s review to nswer the questions. Q1: What’s the largest and heaviest animal in the world? The blue whale is the largest and heaviest animal in the world. Q2: What’s the biggest land animal in the world? The biggest land animal in the world is the African elephant. Q3: What animal runs the fastest among all land animals? The cheetah runs the fastest among all land animals. Introduction about ginkgo Task 1: Know about superlative 7 Know about superlatives Exercises about superlatives Activity 2: State the usage of superlatives. 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. 3a 形容词和副词最高级的用法: Introduction about ginkgo 8 Know about superlatives Exercises about superlatives Introduction about ginkgo Activity 3: Summarize the formation rules of superlatives. tall-tallest 1.一般情况,词尾加-est 3.重读闭音节词尾只有一个辅音字母时,先双写该辅音字母,然后在词尾加-est 2.以字母e结尾,词尾加-st 单音节词和部分双音节词 short-shortest large-largest late-latest fast-fastest high-highest big-biggest fat-fattest thin-thinnest easy-easiest heavy-heaviest early-earliest 9 Know about superlatives Exercises about superlatives Activity 3: Summarize the formation rules of superlatives. beautiful-most beautiful 词前加more构成最高级 多音节词和部分单音节词 quickly-most quickly popular-most popular Introduction about ginkgo 10 形容词与副词的最高级 三、形容词和副词的最高级的构成(不规则变化) 原级 最高级 good (形容词) / well (形容词/副词) best bad (形容词) / badly (副词) worst many (形容词) / much (形容词/副词) most little (形容词/副词) least far (形容词/副词) farthest/furthest 四、最高级的常用句型结构 (1)主语 + be + the + 形容词最高级 +in/of 短语 意为 “…… 是…… 中最…… 的”。 Linda is the shortest of all the girls.琳达是所有女孩里面个子最矮的。 (2)主语 + 实义动词 (+the) + 副词最高级 + in/of 短语 意为 “…… 是…… 中最…… 的”。 She draws (the) best in our class.她是我们班画画最好的。 注意:在表示最高级的句子中,一般含有表示比较范围的 in 或 of。in 后一般接表示单位或场所的名词;of 后一般接表示一群人或事物的代词或名词。 02 最高级的常用句型结构 (3)主语 + be + one of the + 形容词最高级 + 可数名词复数 + in/of 短语 意为 “…… 是…… 中最…… 的…… 之一”。 Shanghai is one of the busiest cities in China.上海是中国最繁忙的城市之一。 (4)疑问词 (组)+ be + the + 形容词最高级, A, B or C? 用于三者的比较。 Which animal is the strongest, the dog, the cat or the tiger?狗、猫和老虎,哪一种动物最强壮? 最高级的常用句型结构 (5)疑问词 (组)+ 助动词 + 主语 + 动词原形 (+the) 最高级, A, B or C? Which sport do you like (the) best, swimming, running or skating?游泳、跑步、滑冰,你最喜欢哪一项运动? (6)the + 序数词 + 形容词最高级 + 名词 意为 “第几最…… 的……”。 The Yangtze River is the third longest river in the world.长江是世界第三长河。 比较级表最高级 (1) 比较级 + than any other + 可数名词单数 意为 “比其他任何一个…… 都……”,强调在同一范围内作比较。 Shanghai is bigger than any other city in East China.= Shanghai is the biggest city in East China.上海是华东地区最大的城市。(说明:上海属于华东,需要和华东其他城市对比) (2) 比较级 + than any + 可数名词单数 意为 “比任何…… 都……”,强调不在同一范围内作比较。 Shanghai is bigger than any city in Yunnan.上海比云南任何一座城市都大。(说明:上海不在云南,和云南所有城市对比) Exercises about superlatives Know about superlatives Activity 1: Choose the best answer. 1. This apple is one in the box. A. sweet B. sweeter C. sweetest D. the sweetest 2. Which is , the sun, the moon or the earth? A. big B. bigger C. biggest D. the biggest 3. This flower is in the garden. A. beautiful B. more beautiful C. most beautiful D. the most beautiful Introduction about ginkgo 16 Exercises about superlatives Know about superlatives Introduction about ginkgo Activity 2: Complete the sentences with the superlative forms of the words in brackets. 1. Among all animals, I love pandas the best. I think they are (cute) animals in the world. 2. Which do you think is (beautiful), the rose, the peony, or the lotus flower? 3. Look at that butterfly! It has (colourful) wings. 4. Which animal jumps (high), the lion, the monkey, or the tree frog? 5. 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 largest the most beautiful the most colourful the highest the cutest the heaviest 3b 17 know about ginkgo Know about superlatives Exercises about superlatives Activity 1: Enjoy the video. Task1: know about ginkgo . 18 Introduction about ginkgo Know about superlatives Exercises about superlatives Activity 2: Complete the passage with the superlative forms of the words in the box. ancient beautiful common good popular The ginkgo tree is one of living trees on earth. Ginkgo trees first 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 can bring joy to their heart. the most beautiful the most ancient the best the most common the most popular 3c 19 用法 表示三者或三者以上(人或事物)的比较 形容词和副词的最高级 变化规则 Summary 单音节词和部分双音节词 1.一般情况,词尾加-est 2.以字母e结尾,词尾加-st 3.重读闭音节词尾只有一个辅音字母时,先双写该辅音字母,然后在词尾加-est 4.以辅音字母+y结尾的双音节词,先把y改为i,然后在词尾加-est 多音节词和部分单音节词:词前加more 用最高级介绍银杏树 The ginkgo tree is one of the most ancient living trees on earth. The ginkgo tree is one of the most popular trees in streets, parks, and gardens across China. 20 Exercise 1.What a lovely reading room! It’s one of rooms in our school. A.nice B.nicer C.nicest D.the nicest 2.Among all the parks in Wuhu, Yijiang Park is with local people because of its beautiful river view. A.popular B.more popular C.most popular D.the most popular 3.—What do you think of the store, Harry? —It has service, so no people go there to buy things. A.worst B.the best C.best D.the worst Homework 基础作业: 记忆形容词和副词最高级的用法和变化规则。 提升作业: 用形容词和副词最高级写5句话介绍“世界之最”。 拓展作业: 仿照3c写一篇小短文介绍竹子,不少于5句话。 22 Lavf59.27.100 Packed by Bilibili XCoder v2.0.2 $