Unit 4 Amazing Plants and Animals SectionA Grammar Focus课件- 2025-2026学年人教版八年级英语上册

Unit 4 Amazing Animals and Plants Section A Grammar Focus 3a—3c To learn to make comparisons using superlatives. To talk about some amazing plants. Objectives 形/副词最高级的构成（规则变化） 构成方法 原级 最高级 多音节词和部分双音节词 在词前加most comfortable carefully most comfortable most carefully 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 原级 最高级 good/well best bad/badly/ill worst many/much most little least far farthest/furthest old oldest/eldest 形/副词最高级的构成（不规则变化） 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. The superlative forms of adjectives and adverbs. fast short high light tall slow 直接加- est heavy easy happy hungry early funny 把y 变 i 再加- est 规则变化 A B 写出下列形容词或副词的最高级 1.creative _________________________ 2.beautifully _______________________ 3.big _________________________ 4.funny _________________________ 5.quiet _________________________ 6.good _________________________ 7.little _________________________ 8.bad _________________________ most creative most beautifully biggest funniest quietest best least worst 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. large late nice 加- st biggest thinnest hottest wettest fattest big thin hot wet fat “双写” 最后一个辅音字母再加-est C D 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. New words land /lænd/ n. 陆地；土地 v. 降落；着陆 African /ˈæfrɪkən/ adj. 非洲的；非洲人的 n. 非洲人 rose /rəʊz/ n. 玫瑰；蔷薇 peony /ˈpiːəni/ n. 牡丹；芍药 lotus /ˈləʊtəs/ n. 莲花 butterfly /ˈbʌtəflaɪ/ n. 蝴蝶 wing /wɪŋ/ n. 翅膀；翼 New words frog /frɒɡ/ n. 蛙；青蛙 weigh /weɪ/ v. 有......重；称重量 kg (=kilogram;kilogramme) /bɔːd/ 千克；公斤 ginkgo /skaɪ/ n. 银杏 believe /bɪˈliːv/ v. 相信；认为有可能 province /ˈprɒvɪns/ n. 省份 原级 最高级 good/well best bad/badly/ill worst many/much most little least far farthest/furthest old oldest/eldest 形/副词最高级的构成（不规则变化） 最高级有范围 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. Read the sentences and notice the words in bold. What are the ways to form a superlative adjective or adverb? 3a 861b240d-cd4e-4b4b-87c2-161e8c2fa4ea.source.default.zh-Hans 14 Lead-in ——When autumn comes, one of the most popular activities is to take a walk under ginkgo trees. Textbook 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. 07 Exercise 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. Complete the Passage 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. ancient, beautiful, common, good, popular, cute, high, large, heavy, fast 答案： 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 ） Complete the Passage 答案： 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 ） 答案： 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 ） Textbook 3b Complete the conversation 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 the heaviest 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 Complete the sentences with the superlative forms of the words in brackets. 3b 861b240d-cd4e-4b4b-87c2-161e8c2fa4ea.source.default.zh-Hans 23 08 家庭作业 Homework 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）。 $