Unit 4 Amazing Plants and Animals Section A Grammar Focus课件 -2025-2026学年 人教版（2024）八年级英语上册

unit 4 Amazing Plants and Animals section A Grammar Focus The sheep is heavy. heavier heaviest Look and say. The elephant is _________. The blue whale is the _________ Presentation Let’s compare tall taller ‌ (比较级) tallest (最高级) get to school early get to school earlier get to school (the) earliest Look and say. Presentation 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. Grammar Focus the largest the heaviest the biggest the fastest the most useful the most interesting Read the sentences and notice the words in bold. 3a adjective 形容词 adverb 副词 861b240d-cd4e-4b4b-87c2-161e8c2fa4ea.source.default.zh-Hans 一般情况下 ，在词尾加est close late nice large fine wide big hot fat wet thin slim red sad funny friendly lazy early easy happy 以辅音字母加“y”结尾的双音节词,先变“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 smart fast high short fresh 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 outgoing popular hard-working carefully careful quickly serious clearly straightforward quietly pleasant 常用的不规则形容词比较级和最高级变化形式 Grammar Focus 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 中国英语教师网 clever __________ cheaply __________ large __________ nice __________ slim __________ busy __________ hard __________ sad __________ shy __________ beautiful __________ tidy__________ heavy __________ friendly __________ lovely __________ colourful__________ popular__________ old__________ early__________ cleverest most cheaply largest nicest slimmest busiest saddest shyest heaviest tidiest loveliest hardest most beautiful friendliest most colourful most popular oldest earliest Exercises Presentation 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. Grammar Focus the largest the heaviest the biggest the fastest the most useful the most interesting 形容词最高级前要加_________，副词最高级前的the_______。 特点 定冠词the 可省略 861b240d-cd4e-4b4b-87c2-161e8c2fa4ea.source.default.zh-Hans Let’s learn This is my worst performance. She is Lucy’s best friend. Today is her happiest day. This is Tom’s cheapest book. 如果最高级前有形容词性物主代词或名词所有格等表示所属关系的词时,则不再用定冠词the。 Presentation 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. 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。 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. Presentation 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. Grammar Focus in the world among all the land animals in the world in the world in the world 形容词、副词的最高级用于________________的人或事物之间的比较，常用__________________ 来说明比较的范围。 三个或三个以上 in/among/of短语 最高级通常有范围。 这个范围是区分比较级和最高级的关键。 861b240d-cd4e-4b4b-87c2-161e8c2fa4ea.source.default.zh-Hans Discussion What do these sentences have in common? 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. Structure 1 the＋最高级 在……最…… ＋(名词) ＋in / among/of＋比较范围 Discussion What do these sentences have in common? 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. the＋形容词最高级 在……中最…… ＋(名词) ＋in / among/of＋比较范围 主语＋bee+ the＋副词最高级 ＋in / among/of＋比较范围 主语＋实动e+ 在……中最…… 1 2 她是她班上最聪明的学生。 “in her class” 指在班级这个组织范围内。 他是他们当中最高的。 “of them” 明确在 “他们” 这几个人中进行比较。 猎豹在陆地动物中是跑得最快的。 “among land animals” 表示在众多陆地动物中比较。 in+范围（时间/地点） of +同类特定群体 among + 同类事物 / 人 He is the tallest of them. She is the smartest student in her class. The cheetah runs the fastest among land animals. What do these sentences have in common? The gingko tree is one of the most ancient living trees on earth. The gingko tree is one of the most common trees in streets, parks, and gardens across China. One of the most popular activities is to take a walk under gingko trees. one of ＋the＋形容词最高级 ＋名词复数 主语+be+ ＋in / among/ of＋比较范围 “······是······中最······的······之一” Discussion 3 猴子是最聪明的动物之一。 Monkeys are one of _____________________animals. 2.北京是中国最古老的城市之一。 Beijing is one of _____________________ cities in China. 3.熊猫是最受人们喜爱的动物之一。 Pandas are one of __________________________ loved by people. 4.珠穆朗玛峰是世界上最高的山峰之一。 Mount Qomolangma is ________________ mountains in the world. the cleverest animals the oldest cities the most popular animals one of the highest 中国最美味的食物之一是饺子。 One of _________________ foods in China_____ dumplings. 2.世界上最高的建筑之一是哈利法塔。 One of ___________________ in the world _____ the Burj Khalifa. 3. One of _______________ (beautiful) cities in Europe ____ Paris. 4. One of _____________ (long) rivers in the world _____ the Nile. the most delicious is the tallest buildings is the most beautiful is the longest is 4. “主语 + be + the + 序数词(first/second) + 形容词最高级 + 可数名词单数+ in/of/among +比较范围” 意为“······在······中是第几·····的······”。 海南是中国的第二大岛。 Hainan is the second largest island in China. 黄河是中国的第二大长河。 The Yellow River is the second longest river in China. The Yangtze River is the _________ (long) river in China, and the Yellow River is the _________ (two) _________ (long) one. 2. This building is the ________ (three) _______ (tall) structure in our city. 3. That movie is the ______ (five) _______________ (interesting) film I have seen this year. 4. The elephant is the _______ (four) _________ (heavy) animal in the zoo. longest second longest third tallest fifth most interesting fourth heaviest 4 “主语 + be + the + 序数词(first/second) + 形容词最高级 + 可数名词单数+ in/of 短语” 意为“······在······中是第几·····的······”。 黄河是中国的第二大长河。 The Yellow River is the second longest river in China. 海南是中国的第二大岛。 Hainan is the second largest island in China. Discussion What do these sentences have in common? Which do you think is the most beautiful, the rose, the peony, or the lotus flower? Which animal jumps the highest, the lion, the monkey, or the tree frog? 哪一个最……，A，B，还是 C？ ＋be / v. , A, B, or C? ＋the＋最高级 疑问词 5 6 “疑问词 + 助动词 + 主语 + 动词原形(+the)+副词最高级， A，B or C？” 哪一个最……，A，B，还是 C？ e.g. Which city do you like the best, Beijing, Shanghai or Guangzhou？ 你最喜欢哪个城市，北京、上海还是广州？ Who is the tallest, Tom , Mike , or Jack? Which season do you like (the) best, spring, summer , or autumn? 谁最高，汤姆，迈克还是杰克？ 你最喜欢哪一个季节，春季、夏季还是秋季？ 苹果、香蕉和橙子，哪一种水果最健康？ Which fruit is _____________, an apple, a banana or an orange? the healthiest Grammar II 考向2 最高级的常用句型 ⑥ “主语 + be + the + 序数词(first/second) + 形容词最高级 + 可数名词单数+ in/of 短语” 意为“······在······中是第几·····的······”。 黄河是中国的第二大长河。 The Yellow River is the second longest river in China. 海南是中国的第二大岛。 Hainan is the second largest island in China. 句型： 主语 be +the + 序数词（second/third…) + 最高级 + 名词 + 表示范围的短语 “……是第(二/三)……最……” 黄河是中国的第二大长河。 The Yellow River is the second longest river in China. 海南是中国的第二大岛。 Hainan is the second largest island 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 3b Find some mark words first. stand up to 高达 weigh up to 重达 the adj./adv 最高级形式 a certain range 特定的范围 Presentation Listen and say 3b Complete the sentences with the superlative forms of the words in brackets. the cutest the most beautiful the most colourful (the) highest the largest heaviest lotus /ˈləʊtəs n.莲花 butterfly /ˈbʌtəflaɪ/ n.蝴蝶 wing /ˈwɪŋ/ n.翅膀；翼 frog / /frɒɡ/ n.蛙；青蛙 最高级句型：疑问词+V/be(+the)+最高级, A, B or C？“ABC中，哪一个最......” Do you know what tree it is? It’s Ginkgo tree Complete the passage with the superlative forms of the words in the box. ancient beautiful common good popular the most ancient the most beautiful the most common the best the most 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 Presentation 3c 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 ____________________. This tree is over 1,400 years old. 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 句型： “one of the + 形容词最高级 + 可数名词复数 + 范围” 表示 “最…… 的…… 之一”，强调在一个范围内， 3c 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 ancient the most beautiful the most common the most popular thousands of 成千上万的 the best in mid-October 在十月中旬 it’s the best time to do sth. 此时正是做某事的最佳时间 Grammar III 考向3 比较级表示最高级含义的用法 ① 比其他任何......都...... : 比较级 + than any other + 可数名词单数 比较级 + than the other + 可数名词复数 e.g. This apple is redder than any other apple on the plate. = This appleis redder than the ______ ______ on the plate. = This apple is the reddest of all the apples on the plate. 这个苹果是盘子里所有苹果中最红的。 other apples Wondermother 句型7：比较级表达最高级 主语+be/v.+ 比较级than any other +n.单数+比较范围 “......比其他任何一个都......” 主语+be/v. +比较级than the other+ n.复数+比较范围 “......比其他......都......” 他比班上其他任何一个学生都要高。 He is taller than any other student in our class. 他比班上其他学生都要高。 He is taler than the other students in our class. 句型转换 Shanghai is larger than the other cities in China. → Shanghai is larger than ______ ______ ______ in China. 2.The Pacific Ocean is the largest ocean in the world. ① The Pacific Ocean is larger than ______ ______ ______ in the world. ② The Pacific Ocean is larger than ______ ______ ______ in the world. any other city any other ocean the other oceans 1. This building is very old. It’s _________________ in the town. 2. It was a very happy day. It was _______________ of my life. 3. She’s a very popular singer. She’s ___________________ in the country. 4. It was a very bad mistake. It was ________________ I’ve ever made. 5. It’s a very pretty village. It’s _________________ in the city. 6. It was a very cold day. It was ______________ of the year. Use superlatives to complete the sentences. the oldest building the happiest day the most popular singer the worst mistake the prettiest village the coldest day 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 1. China is an amazing country. It has the world’s _______ (high) mountain. 2.The Yangtze River is its _______(long). 3. Pandas are the ___________ (famous) of all the animals in our country. 4.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 SEE YOU Lavf58.20.100 $