Unit4 课时3 Grammar Focus 课件-2025-2026学年人教版（2024）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的构成及用法，通过视频导入和动物比较活动（如羊、牛、马的大小重量描述），从比较级自然过渡到最高级，搭建学习支架，帮助学生建立知识脉络。 其亮点是以“神奇动植物”为主题情境，用蓝鲸、猎豹等实例引导学生在语境中感知用法，提升语言能力。通过引导问题自主归纳规则，结合对话、短文练习，培养思维品质。作业含思维导图整理任务，助力学习能力发展，为教师提供连贯资源，提升教学效率。

Unit 4 Amazing Plants and Animals 人教版 英语（八年级上册） Section A Grammar Focus 1. talk about some amazing plants and animals. 2. learn to make comparisons using superlatives. 3. summarize the rules and usage of the superlatives. Learning Objectives Warming Up Watch this video and tell me what it is about. Look and say. The sheep is large and heavy. The cow is _______________. The horse is the _______________. larger and heavier largest and heaviest 4 The penguin is big. The elephant is _________. The blue whale is the _________. bigger biggest 5 The fox runs fast. The tiger runs ________. The cheetah runs the ________. faster fastest 6 The rose is useful and interesting. The sunflower is ____________________. The bamboo is the ____________________. more useful and interesting most useful and interesting 7 Complete the conversations. The blue whale is the __________________ animal in the world. What’s amazing about the blue whale? largest and heaviest the largest and heaviest 8 the biggest ____________ land animal in the world is the African elephant. What’s the biggest land animal in the world? The biggest 9 the fastest The cheetah runs _________ among all land animals. What’s amazing about the cheetah? the fastest 10 the most useful and interesting I agree. And it is perhaps_______________ plant in the world. I think the most useful plant in the world is bamboo. the most interesting 11 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 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. Question: Which parts of speech (词性) have superlative forms? 最高级 the superlative adjective 形容词 adverb 副词 副词 fast-faster-fastest 形容词, 副词同形 类似还有：high，hard 3a 861b240d-cd4e-4b4b-87c2-161e8c2fa4ea.source.default.zh-Hans 12 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. ( ) 3a 副词最高级前的the可以省去哦 如果最高级前有形容词性物主代词或名词所有格等修饰语时则不再用定冠词the。 This is my worst performance. She is Lucy’s best friend. 861b240d-cd4e-4b4b-87c2-161e8c2fa4ea.source.default.zh-Hans 13 • 形容词和副词最高级形式的构成。 ① 一般情况直接加 - est. ② 以不发音的-e结尾, 加 -st. ③ 以 辅音字母 + y 结尾, 变y为i 加 -est. ④ 以 重读闭音节 结尾, 双写词尾辅音字母 加 -est. ⑤ 多音节词和部分双音节词, 前加 most. 最高级的变化规则和比较级的相同吗？ tall → taller → tallest large → larger → largest happy → happier → happiest hot → hotter → hottest beautiful→ more beautiful → most beautiful 完全相同 • 形容词和副词最高级形式的构成。 你能把小球放置在合适的箱子里吗？ 辅音字母 + y 结尾，变y为i + est 重读闭音节，双写尾字母 + est 多音节词及部分双音节词，前加most 一般 + est 以e结尾 +st fastest nicest largest hottest thinnest most beautiful most carefully earliest easiest happiest • 形容词和副词最高级形式的构成。 那不规则变化呢？也完全相同吗？ 完全相同 原级 比较级 最高级 good/ well bad/ badly/ ill much/ many little far better worse more less farther/ further best worst most least farthest/ furthest 备注：few — fewer— fewest 形容词和副词的最高级 最高级易考易错点 最高级应用的判断 1.最高级前面要加the. 形容词最高级前面必须加the 副词最高级前面the可以省略 最高级前加物主代词或名词所有格等，表示明确的所属关系时，不再使用the。 2.最高级表达一定要有范围. in + [范围/群体/地方] of + [具体的同类个体] among + [模糊的群体] 1.是不是三者或三者以上在进行比较，三者或三者以上比较用最高级。 2.如果句末有in/of 短语来表示范围，则用最高级。 3.如果句中有one of the ...，就用最高级。 最高级的常用句型(一 ) 句型 典例 1.主语+ be+ the+形容词最高级+in/of ... My mother is the busiest one of us. The Yangtze River is the longest river in China. 2.主语+实义动词（+the）+副词最高级+in/of ... Tom works (the) hardest in Class 3. 3.主语+be+ one of the+形容词最高级+可数名词复数+in/of ... Hangzhou is one of the biggest cities in China. 最高级的常用句型（二） 句型 典例 疑问词+ be+ the+形容词最高级，A、B or C？ Who is the tallest, Tom, Kate or Bill? 疑问词+助动词+主语+动词原形（+the)+副词最高级，A、B or C？ Which city do you like best, Beijing, Shanghai or Guangzhou? 主语+be + the+序数词+形容词最高级+可数名词单数+in/of短语 The Yellow River is the second longest river in China. 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 Find some mark words first. 3b 20 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 Read the passage in 3c again and complete the table. Topic: An introduction to _________________ Origin (起源) Ginkgo trees first appeared over _______________________, making them one of _____________________________________ on earth. Importance It is a symbol of _______________. A famous tree The old ginkgo tree in the Zhongnan Mountains in _____________________ is the most beautiful. The best time to see it is __________. Common place As one of the most common trees, people can see ginkgo trees in _______, _______, and _______ across China. Popular activity When autumn comes, people usually _________ under ginkgo trees. They believe the bright yellow leaves can bring ______________. the ginkgo tree 200 million years ago the most ancient living trees hope and long life Shaanxi Province mid-October streets parks gardens take a walk joy to their heart 22 2. Whose birthday is it? 06 课堂小测 Exercise 用括号内单词的正确形式填空。 1. (2025云南改编) Journey to the West is one of the ____________(famous) classic novels in China. People like reading it. 2. The Siberian tiger, known as the Northeast Tiger in China, is the __________ (large) tiger of all. 3. Basketball is one of the __________(big) sports in our school! 4. Though Monica did ________(badly) in the exam in her class, she still didn’t give up learning. 5. —What is the __________(high) world’s mountain? —Mount Qomolangma. largest biggest worst highest most famous 6.Hainan is a very large Island. It is the second _________ island in China. (large) 7.Our teacher is as ______ as before. (busy). 8.He is __________________ among us. (careful) 9.Li Lei jumped far ______ than Jim. (far) 10.The busier he is, the ________ he feels. (happy) busy the most careful farther happier largest Homework 必做： 1.规则梳理： 在笔记本上整理一份形容词和副词最高级构成规则（规则与不规则）的思维导图或表格，并各举2个例子。 2.句型演练： 完成PPT中第14页（3b练习）和第16页（3c练习）的填空任务，确保使用最高级的正确形式。 3.造句练习： 使用最高级仿照例句写5个句子，描述你的家人、朋友或你所在的城市。 例句: My father is the busiest person in my family. / Shanghai is one of the biggest cities in China. 2. Whose birthday is it? Thanks for watching! $