Unit 5 Period 3 Grammar课件2025-2026学年外研版英语七年级下册

该初中英语课件聚焦形容词、副词比较级和最高级的用法，通过教材例句（如“the world’s highest mountain”）导入，以规则/不规则变化表格、口诀归纳为支架，逐步过渡到比较级（A+比较级+than+B等）和最高级（the+最高级+范围等）句型，构建从输入到输出的学习脉络。 其亮点在于融合语言能力与文化意识，以中国自然奇观（黄河、珠峰等）数据设计比较练习，结合“比较等级变化口诀”强化记忆，通过“最美丽自然地”口语对话（如张家界示例）提升表达能力。注重思维品质培养，通过表格对比、句型归纳引导分析总结，作业中的思维导图和写作任务助力学习能力发展。教师可直接使用系统资源，学生能在真实情境中提升语言运用与文化认知。

Grammar Unit 5 Amazing nature 学习目标 3 2 1 Master the usage of comparatives（比较级） and superlatives（最高级）; Complete the exercises related to comparatives and superlatives; Talk about the most beautiful natural place in your opinion. 【教材例句导入】 1.It is famous for the world’s highest mountain.  2.But this area is also full of the most amazing colours in nature.  3.The plateau is quieter than the big cities. amazing的最高级 quiet的比较级 形容词、副词的比较级和最高级 新课讲授 high的最高级 【探究1】形容词和副词的比较级和最高级的构成 一、规则变化 类别 构成方法 举例 比较级 最高级 单音节和少数双音节单词 ①一般的形容词和副词 在词尾加-　　  在词尾-　　  great—greater—greatest hard—harder—hardest clever—cleverer—cleverest ②以字母e结尾（e不发音）的形容词和副词 在词尾加-r 在词尾-st wide—wider—widest large—larger—largest close—closer—closest ③以重读闭音节结尾的形容词，且末尾只有一个辅音字母 先双写词尾的辅音字母，再加-er 先双写词尾的辅音字母，再加-est hot—hotter—hottest big—bigger—biggest ④以“辅音字母+y”结尾的形容词和副词 变y为i，再加-er 变y为i，再加-est early—earlier—earliest happy—happier—happiest er est 大部分双音节和多音节单词 在单词前加more 在单词前加　　　  interesting— more interesting— most interesting most 二、形容词和副词不规则的比较级、最高级形式 原级 比较级 最高级 good，well better best bad/ill，badly worse worst many/much more most little less least far farther/further farthest/furthest 比较等级变化口诀 比较级要变化，一般词尾加-er。 词尾若有哑音e，直接加r就可以。 一辅重读闭音节，辅音字母要双写。 辅音字母后加y，记得把y改成i。 最高级加-est，前面加the莫忘记。 形容词副词若是多音节，只把more，most前面写。 【归纳】 1.大部分形容词和副词有三个等级：　　　　、 　　　　、　　　　。  2.形容词、副词比较级的构成分　　　　　变化和　　　　　变化。  原级 比较级 最高级 规则 不规则 【探究2】形容词、副词比较级和最高级的常见句型 一、比较级表示两者之间的比较，常见句型如下： 句型 含义 用法 例句 A+be/动词+比较级（含more+多音节形容词/副词原级）+than+B 比……更…… 表示“A比B更……”，即A﹥B Sam has longer hair than Tom. My room is bigger than yours. Which/Who+be/动词+比较级，A or B？ 哪个/谁更…… 表示在A、B之间进行选择 Who is taller，Li Ming or Wang Tao？ 比较级+and+比较级 越来越…… / It is getting hotter and hotter. More and more+多音节形容词/副词原级 She is becoming more and more popular. The+比较级…，the+比较级… 越……就越…… / The more，the better. The busier I am，the happier I will be. A+be/动词+less+多音节形容词原级+than+B / 表示“A不及B……”，即A﹤B The film was less interesting than the book. 二、最高级用于三者或三者以上的比较，表示在某一范围内或某类人物中“最……”，常见句型如下： 句型 用法 例句 the+最高级+比较范围 表示三者或以上进行比较，常用in/of/among表示比较范围 He is the tallest boy in our class. Of all the subjects，maths is the most difficult for me. She is the most popular among the girls. one of+the+最高级+名词复数 表示“最……之一” Beijing is one of the biggest cities in China. Quan Hongchan is one of the most popular sports stars. 句型 用法 例句 Which/Who is the+最高级，A，B or C？ 表示三者或以上进行选择 Which car is the cheapest，the first one，the second one or the third one？ 序数词和最高级连用 表示“第几……” The Yellow River is the second longest river in China. 注意：当形容词最高级前有形容词性物主代词或名词所有格修饰时，最高级前不用定冠词the。 如：This is my busiest day.这是我最忙的一天。  Complete the facts about wonders in China. shorter higher highest Mahu Lake in Sichuan: 134 m Mahu Lake is deep. Kanas Lake is ______. Changbaishan Tianchi Lake is the ______. Kanas Lake in Xinjiang: 188.5 m Changbaishan Tianchi Lake in Jilin: 373 m deeper deepest 6 In Zhejiang province, there’s a famous natural wonder with amazing tides（潮水）. Do you know what it is? Qiantang River Tides Complete the passage with the correct form of the words in brackets. shorter most famous slow faster high highest 7 The most beautiful natural place What is it like? What is its name? Where is it? Why do you like it? Work in pairs. Talk about the most beautiful natural place in your opinion. Use the words and expressions from the reading passage and the Useful expressions to help you. In my opinion, the most beautiful place in my opinion is ... It is famous for... It is like... Words can’t express my love for... It is one of ... in the world. Useful expressions A: Hello. What’s the most beautiful natural place in your opinion? B: The most beautiful natural place in my opinion is Zhangjiajie National Forest Park. A: Where is it? B: It’s in Hunan Province. A: What is it famous for? B: It’s famous for its towering mountains and beautiful waterfalls. A: What is it like? B: It is like a magic land, so amazing and magical. A: Why do you like it? B: I like it because there are so many unique sandstone pillars.   Here is a sample. Homework ✍ Summarize the rules of Comparative or Superlative with mind-map . ✍ Choose three kinds of the most beautiful natural place and write a passage. $