Unit 4 Section A（Grammar Focus）-【精品课】2025-2026学年八年级英语上册同步精品课件（人教版2024）

该初中英语课件围绕形容词和副词最高级展开，通过视频问题（如最高山峰、最大沙漠）及动物速度、植物用途比较导入，引导学生从具体实例观察归纳构成规则（规则与不规则变化），构建“感知-总结-运用”的学习支架，掌握“the+最高级+in/among”等句型。 其亮点在于融入文化意识（如银杏树“活化石”介绍）和思维品质培养（比较级与最高级异同表格对比），采用归纳法和任务型活动（课堂游戏、语篇填空）提升语言能力。学生通过生活化实例增强兴趣，教师可借助系统资源高效开展语法教学，助力语言运用与文化认知提升。

What can plants and animals do? Learning Objectives 通过观察与归纳，掌握形容词和副词最高级的构成规则（规则与不规则变化），理解并熟练运用 “the + 形容词最高级 + in/among...” 等句型描述事物; 在口语和书面表达中正确使用形容词和副词的最高级，清晰描述事物特征、进行比较； 通过讨论生活中事物，激发对英语学习的兴趣；增强文化意识，了解不同事物的独特之处 。 Lead in What does this video talk about? The world records the highest peak the largest desert the longest river the deepest trench(海沟) 最高级 (superlatives) Which animal runs fast？ Which runs faster? Which runs the fastest? Lead-in 1.5-3.2 tons 1.6-3.6 tons 100-180 tons heavier heavy the heaviest 2.4-3 meters big bigger 2.5-3.5 meters 4.3-5.7 meters the biggest bigger fast 80-90 km/h faster 110-120 km/h the fastest 60-70 km/h suger paper furniture useful more useful the most useful bamboo Reed sugercane Read the sentences and noticed the words in bold. Superlative What are their part of speech? adj. adj. adv. adj. adj. What are the ways to form a superlative adjective and adverb? 一般情况下，在词尾加-est 辅音字母加y结尾，变y为i，再加-est 重读闭音节后只有一个辅音字母，双写后加-est 字母e结尾，加-st 多音节和部分双音节词，在前面加most构成最高级 How can we use superlatives? 部分不规则： good-best bad-worse far-furthest little-least smart—smartest fast—fastest high-the highest short—shortest fresh—freshest 一般在词尾加est close-the closest late—latest nice-the nicest big—biggest thin—thinnest fat—fattest hot--hottest funny—funniest friendly- friendlier lazy—laziest early--earliest 以辅音字母加“y”结尾的双音节词,先改“y”为“i”再加est 以字母e结尾的词,加st 重读闭音节词只有一个辅音字母时,双写辅音字母,加est 单音节词和部分双音节词 What are the rules to change the superlatives? Grammar Focus 多音节词和部分双音节词 多音节词和部分双音节词,在前加most What are the rules to change the superlatives? Grammar Focus comfortable– most comfortable popular—most popular carefully—most carefully quickly- most quickly Clearly- most clearly Quietly-most quietly 原级 比较级 最高级 good/well better best many/ much more most bad/ ill/ badly worse worst old older/elder oldest/eldest far farther/further farthest/furthest 常用的不规则形容词比较级和最高级变化形式 Grammar Focus 中国英语教师网 clever __________ cheaply __________ large __________ nice __________ well __________ busy __________ hard __________ glad __________ little __________ beautiful __________ tidy__________ heavy __________ far __________ bad __________ colourful__________ popular__________ old__________ commom__________ cleverest most cheaply largest nicest best busiest gladdest least heaviest tidiest worst hardest most beautiful farthest/furthest most colourful most popular oldest most commom Exercises 13 3a 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. 通常用于三者或三者以上的范围，of/ in/during 说明比较范围 形容词的最高级前必须有the，副词的最高级前可以省略the; How do we use superlatives ? 副词 Read the sentences again and conclude. Superlative 表示三者或三者以上人或事物的比较； 后面常见of，in，among的短语来说明比较多范围。 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. 3a Pay attention to the red words. 表示三者或三者以上(人或事物)的比较，其中有一个在某一方面超过其他几个，后面可用带有in、of、among的短语等来说明比较的范围。形容词最高级的前面一般要加定冠词the，副词最高级前的the可以省去。 ( ) 861b240d-cd4e-4b4b-87c2-161e8c2fa4ea.source.default.zh-Hans 16 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。 ①The blue whale is the largest and heaviest animal in the world. ②In my country, July is the hottest month of the year. ③The cheetah runs (the) fastest among all land animals. 某一范围内的比较用in 同一类事物范围内的比较用of 副词最高级前的the可以省去哦 Let’s learn This is my worst performance. She is Lucy’s best friend. Let’s take a review one of 结构后面为什么都用最好级？ Well, I think moss is one of the oldest plants. Bamboo is one of the most popular subjects in Chinese paintings. Well, bamboo is one of the fastest-growing plants. Also, it’s one of the most useful plants in the world. 861b240d-cd4e-4b4b-87c2-161e8c2fa4ea.source.default.zh-Hans 18 最高级的常用结构 （1）the + 形容词或副词最高级 + in / of / among 短语 ……中最……的 Tom is the tallest in his class. Tom runs (the) fastest of all the students. Let’s learn （2）序数词与最高级结合 The Yangtze River is the third longest river in the world. （3）one of the + 形容词或副词最高级 +名词复数 表示“最……之一” Beijing is one of the largest cities in the world. （4）特殊疑问句中的最高级 Which animal jumps the highest, the lion, the monkey, or the tree frog? Who is the kindest person in your family? （5）比较级表达最高级的含义 Julia is taller than any other girl in her class. =Julia is the tallest girl in her class. 1.Which do you think is the most beautiful , the rose, the peony, or the lotus flower? 2.Which animal jumps (the) highest, the lion, the monkey, or the tree frog? 如何进行最高级的提问？ 译一译： 最受欢迎的饮料是什么？ 茶，咖啡还是果汁？ Which is the most popular drinks, tea, coffee or juice? Comparatives & Superlatives Grammar Focus the similarities the differences 适用对象 变化规则 比较级 最高级 比较级 最高级 适用范围 标志词 adj. adv. 两者 ≥三者 than a little a lot much even the in of Discuss preferences (偏好) . Make comparisons. -est -st -est 双写est most -er -r -ier 双写er more 回忆 比较级表示最高级的用法 当句子中出现 (more) than + 比较范围（如 anything, anyone, any other...） 时，常隐含最高级含义。 例如：He runs faster than anyone in his class. 他比班上任何人都跑得快 → 他是班上跑得最快的。 This movie is more moving than any other I’ve seen. 这部电影比我看过的任何一部都感人 → 这是我看过的最感人的电影。 Exercises 一、单项选择 ( ) 1. LeBron James is one of _______ players in the NBA. He is my hero. A. better B. the best C. wors D. the worst B ( ) 2. Who runs in your class? — Tom does. None of us can catch him in the race. A. faster B. slower C. fastest D. slowest C one of后面加形容词的最高级。 由“没人能赶得上他。”可知 Tom 跑得最快。要选择 fast 的最高级。 ❊ 1.Hainan is a very large Island .It is the second _________ island in China. (large) 2.Our teacher is as ______ as before. (busy). 3.He is __________________ among us. (careful) 4.Li Lei jumped far ______ than Jim. (far) 5.The busier he is, the _______ he feels. (happy) 6.I think Yao Ming is one of ___________basketball players in NBA. (hot) largest busy the most careful happier the hottest as...as 中间用原级 than 前用比较级 one of+最高级 Exercises farther 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 Find some mark words first. 25 Do you know what tree it is? It’s Ginkgo tree Complete the passage with the superlative forms of the words in the box. Superlative 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 most common the best the most popular What’s amazing about the ginkgo tree? Ginkgo trees first appeared . It is one of ________________ living trees on earth. People think the old ginkgo tree in the Zhongnan Mountains in Shaanxi Province is ________________. It is one of________________trees in streets, parks and gardens across China. Chinese people love the ginkgo, as it is a symbol of _______________. People believe the bright yellow leaves can _______________. the most ancient the most beautiful the most common hope and long life bring joy to their heart over 200 million years ago. /ˈmɪljən/ /əˈpɪr/ /ˈeɪnʃənt/ /ˈkɑːmən/ a living fossil /ˈfɑːsl/ a boy leaf a girl leaf The leaves of the ginkgo tree are fan-shaped. ancient unique golden elegant（优雅的） wonderful friendly sing well hard-working popular thin talented smart funny A: Who sings (the) best in our class? A: Who is the thinnest in our class? B: I think … Let’s share Let’s play a game! 1. The biggest land animal in the world is the African elephant. 世界上最大的陆地动物是非洲象。 land n. 陆地；土地 v. 降落；着陆 take off 起飞 on land 在陆地上 by land 经陆路 A piece of land in the middle of the sea is island.海中央的一块陆地是岛屿。 Did you go there by land or by sea?您是通过陆路还是海路去的？ The plane landed before the storm came.飞机在暴风雨来临之前降落了。 A butterfly landed on her shoulder.一只蝴蝶落在了她的肩膀上。 Language points 2. Some could stand up to three meters tall and weigh up to 860 kg. 有些能够长到高达3米，重达860千克。 weigh 及物动词，表示“称……的重量；重(多少)” eg：Do you often weigh yourself? 你经常称体重吗？ 名词形式为 ____________ eg：He has grown both in height and weight. 他的身高和体重都增加了。 weight Language points 1.Which color do you like ________ (well), white, blue or green? 2.I think Blue Light is one of the ________ (bad) restaurants in our town. 3.The third ________(long) river in the world is the Yangtze River. 4. AI is one of the ____________(amazing) inventions. I think it will change the world. 5.When Helen won a prize in the English competition, she believed she was the (happy) girl in the world. best worst longest most amazing happiest Exercise-用所给词的适当形式填空 Plan a trip along the Silk Road using the new language. China is an amazing country. It has the world’s _______ (high) mountain. The Yangtze River is its _______(long). Pandas are the ___________ (famous) of all the animals in our country. The Silk Road is the _______(old) trading road to the world. When we plan a trip, making choices doesn’t mean to choose the _________(good) or the _______________(expensive) one, but the __________ (proper) one. best most expensive most proper highest longest most famous oldest Exercise-用所给词的适当形式填空 Must-do 必做 1.Summarize the differences between the comparative and superlative adjectives and adverbs. Choose to do 选做 1.Create a "The World Record" poster and describe it using superlative adjectives or adverbs. Homework Lavf58.20.100 $