Unit 4 Section A (3a-3c) 课件 2025-2026学年人教版八年级英语上册

该初中英语课件聚焦形容词和副词最高级，通过观看视频、日常对话（如班级人物比较）导入，结合动植物实例（蓝鲸、大熊猫等）引导学生观察归纳构成规则，设计填空、段落补全及“Top-5 Nature Records”海报制作，搭建从感知到应用的学习支架。 其亮点在于融合主题情境与核心素养，以“Amazing Plants and Animals”为载体，通过银杏树段落填空等练习培养语言能力，借助大熊猫“活化石”介绍渗透文化意识，小组调查和报告活动提升思维品质与学习能力。学生在真实语境中运用语法，教师可利用多样化活动提高教学实效。

3a-3c Section A What can plants and animals do ? Amazing Plants and Animals Amazing Plants and Animals Unit 4 By the end of the lesson you will be able to: explain different ways to form superlatives. change adjectives/adverbs into their correct superlative forms. create a “Top-5 Nature Records” poster using at least five accurate superlatives. Learning objectives 2 Watch the video I want to know you! A: Who is the funnest in your class? B: I think … A: Who sings (the) best in your class? friendly sing well hard-working popular thin talented smart funny They are fat and cute, black and white. They only live in China and are more famous than any other animal to Chinese. People over the world love them and we’re doing our best to look after them. _______are ______ ______ ________ of all the animals in China. the most famous Pandas Read the sentences and notice the words in red. What are the ways to form a superlative adjective or adverb? The blue whale is the largest and the 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. The blue whale is the largest and the 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. Translate all the sentences. 蓝鲸是世界上最大且最重的动物。 世界上最大的陆地动物是非洲象。 猎豹是所有陆地动物中跑得最快的。 我认为世界上最有用的植物是竹子。 它或许是世界上最有趣的植物。 Grammar Focus 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. large — largest heavy — heaviest big — biggest fast — fastest useful — the most useful interesting — the most interesting Observe the words and find the rules. 形容词、副词的最高级 当我们要将三个或三个以上的人或事物进行比较时，可以用形容词或副词的最高级形式来表达。 注意： 形容词最高级前要加定冠词the，副词最高级前的the有时可省略。 定义 Unit 4 Section A Grammar Focus 形容词、副词的最高级 1. 用法：英语中三者或三者以上相比较，表示“最……” 这样的最高程度概念时，要用“the+最高级”的结构。含最高级的句式中通常带有表示范围的介词短语，比如: in our class, of the three 等。 例如: Wang Lin is the tallest in our class. This theater is the cheapest of the three. 形容词、副词的最高级用于三个或三个以上的人或事物之间的比较，常用of/in短语来说明比较的范围。 形容词最高级前要加定冠词the， 副词最高级前的the可省略。 定义 特点 形容词、副词的最高级 It is the most popular cinema in the city. He is the tallest of the three. He runs (the) fastest. 最高级表达的是三个及三个以上事物的比较状况，所以后面通常用in /of /among...来表示比较的范围。 Tips Andy is the tallest in our class. 安迪是我们班个子最高的。 Linda lives (the) closest to school of all my classmates. 在我所有的同班同学中，琳达住得离学校最近。 Unit 4 Section A Grammar Focus Tips 由“动词+-ed”或“动词+-ing”构成的形容词变最高级时，通常在该形容词前加 most。 interesting → most interesting relaxed → most relaxed exciting → most exciting boring → most boring Unit 4 Section A Grammar Focus 构成方法 原级 最高级 单音节词和部分双音节词 一般情况下，在词尾加-est tall; short tallest; shortest 以字母e结尾的词，在词尾加-st large; late largest; latest 重读闭音节词尾只有一个辅音字母时，先双写该辅音字母，再在词尾加-est big; fat biggest; fattest 以“辅音字母+ y”结尾的双音节词，先把y改为i，再加-est easy; heavy easiest; heaviest 多音节词和部分双音节词 在词前加most beautiful; popular most beautiful；most popular 规则变化 形容词和副词的最高级的构成 Read and learn 2.不规则变化： good — better — best many/much — more — most bad/ill — worse — worst little — less — least old — older/elder — oldest/eldest Think and write Write the superlatives of the adjectives. good _______ funny _______ many _______ hot _______ easy _______ beautiful _______ wide _______ colourful _______ best funniest most hottest easiest most beautiful widest most colourful This is the biggest city in China. He was the youngest player in the team. 表示 “在…… 范围内”，后接大范围（如地点、组织、时间阶段等）。 She is the most talented of all the students. This apple is the sweetest of the five. 表示 “在…… 中”，后接具体的人或事物（复数名词 / 集合名词），强调从同类中选出 “最……” 的个体。 形容词和副词的最高级的范围 of + 具体成员/ 同类事物 in + 范围 among + 同类群体 He is the richest man among the billionaires. Which is the smallest among these birds? 强调 “在……群体中”，后接复数名词或代词，可与 of 互换，但 among 更侧重 “在多者之间” 的分布感。 最高级的常用句型（一） ◆ “主语+ be+ the+形容词最高级+in/of 短语”意为 “……是……中最……的”。 ◆ “主语+实义动词（+the）+副词最高级+in/of 短语”意为 “……是……中最……的”。 ◆ “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”。 My mother is the busiest one in my family. The Yangtze River is the longest river in China. Tom works (the) hardest in Class 3. Tianjin is one of the biggest cities in China. 最高级的常用句型（二） ◆ “疑问词+ be+ the+形容词最高级，甲、乙or丙？”用于三个或三个以上的人或事物之间的比较。 ◆ “疑问词+助动词+主语+动词原形（+the)+副词最高级，甲、乙or丙？” ◆ “主语+be + the+序数词+形容词最高级+可数名词单数+in/of短语”意为“……在…… 中是第几……的……”。 Who is the tallest, Tom, Kate or Bill? Which city do you like best, Beijing, Shanghai or Guangzhou? The Yellow River is the second longest river in China. 二、使用最高级时的注意事项： 使用最高级时，一定要有表示比较范围的短语或从句，如 “in...”（在…… 范围内），“among...”（在…… 之中）等 。 He is the tallest in his class. 他在他的班级里是最高的。 形容词最高级前一般要加定冠词 “the”，但当最高级前有物主代词、指示代词、名词所有格等限定词时，不加 “the” 。 This is my best friend. 这是我最好的朋友。 三、用比较级来表达最高级的句型： 常见的有: ① 形容词/副词比较级+than any other+单数名词 Jack gets up earlier than any other student in our class. 杰克在我们班比其他任何学生都起得早。 ② 形容词/副词比较级+than the other+复数名词 Linda is quieter than the other girls in her class. 琳达比她班上其他女孩更安静。 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 cutest the most beautiful the most colourful (the) highest the largest heaviest 3b /rəʊz/ n. 玫瑰；蔷薇 /ˈpiːəni/ n. 牡丹；芍药 /ˈləʊtəs/ n. 莲花 /ˈbʌtəflaɪ/ n. 蝴蝶 /wɪŋ/ n. 翅膀；翼 /frɒɡ/ n. 蛙；青蛙 /weɪ/ v. 有……重；称重量 23 Complete the passage with the superlative forms of the words in the box. 3c 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 ancient the most beautiful the best the most common the most popular n. 银杏 v. 相信；认为有可能 n. 省份 散步 Names Service Quality Prices Meet all Carrefour Walmart Make a survey and do a report. Report: What do you think of these supermarkets in your city? We did a survey and this is what we learnt … 含义 用于______________（人或事物）的比较，表示其中有一个在某一方面超过其他几个，意为“_________”。 变化规律 形容词、副词的最高级 1 一般在词尾加____。 2 以______结尾的词直接加-st。 3 以___________结尾的词，如末尾只有一个辅音 字母，应先双写该字母，再加-est。 4 以“辅音字母 + y”结尾的词，先把y变为___，再加-est。 5 大部分双音节和多音节单词的比较级是在单词前加 ______。 6 不规则变化 三者或三者以上 -est 字母e i 重读闭音节 most 最…… 缺音频 没有答案 Give a report Try to give a report with the help of the mind map. What’s it like? What’s special? Why do people love it? Where do people see it? Tips: 1. Intonation 注意重读 ★★★ 2. Superlative 用到最高级 ★★★ 3. Content 内容丰富★★★ Think and say Panda is also called “the living fossil”. It appeared 8 million years ago. Can you try to say something about it with the help of the sentence structures and the superlatives of the adjectives? Of all the animals, ____________________________. The panda is one of ___________________________. I think the panda is _________________________ in the world. beautiful lovely heavy large popular 一、用所给词的适当形式完成句子。 1. He is _______________ among us. (careful) 2. Hainan is a very large island. It is the second _________ island in China. (large) 3. For most of the students, June is always the _______ month in a year. (busy) 4. Asking questions is one of the ________ ways to lead you to active learning. (easy) 5. Who is the _______, Amy, Alice or Ann?（thin） the most careful largest busiest easiest thinnest 二、完成句子，每空一词。 1. 珠穆朗玛峰是世界上最高的山峰。 Mount Qomolangma is _______ ________ mountain in the world. 2. Tom is the tallest student in his class.（保持句意不变） Tom is _________ ________ any other ________ in his class. 3. 评书是中国最传统的艺术形式之一。 Pingshu is _______ _______ _______ ________ ____________ art forms in China. the highest taller than student the one of most traditional I can 归纳形容词和副词的最高级的构成规则(包括规则变化和不规则变化形式)，并准确理解最高级形式在比较三个及以上事物时的表意功能。 在动植物比较以及其他生活语境中，正确运用形容词和副词的最高级形式描述各种动植物的显著特征，并能发表自己的理解和看法。 Thank you! Lavf59.27.100 Bilibili VXCode Swarm Transcoder v1.2.2 $