Unit 3 Section A Grammar Focus 课件 2025-2026学年人教版（2024）八年级英语上册

该初中英语课件聚焦形容词和副词比较级，系统涵盖构成规则（规则与不规则变化）、常用句型（as…as, 比较级+than等）及修饰用法，通过诗歌《It gets better》和人物对比图（Jack与Peter）趣味导入，以“构成规则→句型应用→情境实践”层层递进，搭建清晰学习支架。 其亮点在于融合语言能力与思维品质培养，如Pair Work让学生对比同伴特征提升表达，图表对比广州与芝加哥锻炼信息转化能力，分层作业（基础背诵、提高写句、拓展短文）适配不同水平。教师可借助结构化资料高效教学，学生在实践中提升逻辑思维与语言运用能力。

Section A Grammar Focus Unit3 Learning objectives 通过本课时学习，我们能够： 1 2 3 总结出形容词和副词比较级的构成方式; 掌握形容词副词比较级的as…as等句型结构; 准确使用形容词及副词比较级的不同句式，提升逻辑思维。 Grass gets ________. Days gets _________. Sun gets ________. ________and ________. Dreams get _______. Smiles get ________. Love gets ________. ________ and ________. I don’t care about the things that they say. All I know is that everything’s going my way. It gets ______. Oh~ It gets ______. It gets ______. ______and _______. greener warmer brighter brighter Brighter bigger wider stronger stronger Stronger better better better Better better What do these words have in common? Comparatives 比较级 Jack Peter Look and Say Jack is ___________(thin) than Peter. Peter is ___________ (fat) than Jack. thinner fatter Pair Work Compare yourself with your partner. Who arrives school earlier? Who is more outgoing? Who is shyer? There are more activities this year. It is more colourful than last year. Emma is taller than Ella, but her hair is shorter than Ella’s. Ella dances better than Emma, but Emma sings louder than her. Emma always gets up earlier than me, but I work as hard as her! Read the sentences and notice the comparatives in red. many – more adj. adj. colourful – more colourful tall – taller adj. adj. short – shorter adv. well – better adv. loud – louder adv. early – earlier 3a Which parts of speech have comparative forms? 6 Find more examples in Section A. 1. Chen Jie plays the Chinese flute better than anyone else in the music club. She is not as outgoing as Peter and she works harder than Peter. 2. Peter is more outgoing than Chen Jie. And Chen Jie is shyer. 3. Emma is a little quieter than Ella. And Ella is funnier than Emma. 4. Many people say Ella is lazier than Emma. 5. I’m taller than you. 6. I am a little shorter than you, but I can run faster than you. 7. I’m as hard-working as you, but you read more than me. 3a 7 There are more activities this year. It is more colourful than last year. Emma is taller than Ella, but her hair is shorter than Ella’s. Ella dances better than Emma, but Emma sings louder than her. Emma always gets up earlier than me, but I work as hard as her! 形容词 形容词(adj)和副词(adv)是有比较级的形式的 形容词 形容词 形容词 副词 副词 副词 than Read the sentences and notice the comparatives in bold. There are more activities this year. It is more colourful than last year. Emma is taller than Ella, but her hair is shorter than Ella's. Ella dances better than Emma, but Emma sings louder than her. Emma always gets up earlier than me, but I work as hard as her! than than than than than than ______-- more many _________-- more colourful colourful ______-- taller tall ______-- shorter short ______-- better well ______-- louder loud ______-- earlier early 只有_______词和_____词才有比较级 形容 副 形容词与be动词连用；副词修饰行为动词，并往往位于动词后面。（be形动副） 同级比较 adj. adv. Which parts of speech (词性) have comparative forms?  Read and fill in the blanks. Then conclude the rules of comparatives. Tom is ______ (tall) than Ben. This room is ______ (large)than mine. She is ______ (busy) this week. The apple is ______ (big)than that one. taller larger busier bigger 一般 + er 以e结尾 + r 辅音字母 + y 结尾，变y为i + er 重读闭音节，双写尾字母 + er Health is   (important) than anything else. more important 多音节词及部分双音节词，前加more 构成方法 比较级 tall – taller, short – shorter 一般直接在词尾加-er nice – nicer, late – later 以e结尾，加-r 重读闭音节词尾只有一个辅音字母时，双写该辅音字母，再加-er thin – thinner, big – bigger sad – sadder funny – funnier, easy – easier early – earlier 以“辅音字母+ y”结尾的双音节词，先把y改为i，再加-er outgoing – more outgoing confident – more confident beautiful – more beautiful 多音节词和部分双音节词，词前加more Summarize the rules of the comparatives of adjectives and adverbs 11 There are more activities this year. It is more colourful than last year. Emma is taller than Ella, but her hair is shorter than Ella’s. Ella dances better than Emma, but Emma sings louder than her. Emma always gets up earlier than me, but I work as hard as her! many的不规则比较级 多音节colourful 比较级 单音节tall 比较级 单音节short比较级 well 的不规则比较级 单音节loud比较级 双音节early 比较级 不规则变化的一般都是单音节的词 比较级常用句型  as + 形容词或副词原形 + as “表示两者(人或事物)在某一方面相同” eg: I think history is as important as math. Linda runs as fast as Amy.  not as / so + 形容词或副词原形 + as “表示一方在某一方面不及另一方” eg: Tom isn’t as / so tall as me. I don’t sing as / so loudly as my sister. ①“比较级＋and＋比较级”意为“越来越……” ； 多音节比较级用“more and more＋形容词原级”形式。 ► It’s getting _________________(越来越好). ► The group became _______________________(越来越受欢迎). better and better more and more popular 原级 This tree is as ____ as that tree. tall The yellow bag is as ____as the blue one. This pen is as ____ as that pen. big long She is shorter than Emma. It is more colourful than last year. 比较级常用句型 肯定句：主语+ be动词+ 形容词比较级 + than+ 比较对象。 一般疑问句：Be动词+ 主语+ 形容词比较级+ than + 比较对象? Is Ella taller than Emma? Is it more colourful than last year? 当两个人或两件事物进行比较时，形容词和副词要用比较级，也就是词尾-er形式，比较级常常用than来连接被比较的两个人或事物。 I am taller than you. 我比你高。 Ella dances better than her sister. And she sings louder than Ella. 肯定句：主语+ 动词+ 副词比较级+ than + 比较对象。 Do you work harder than me? Does she sing louder than Ella? 一般疑问句：助动词+ 主语+ 动词原形+ 副词比较级+ than+ 比较对象? 比较级常用句型 ￥25 cheaper cheap ￥20 The blue T-shirt is cheap. The pink T-shirt is ___________ the blue one. cheaper than 特殊疑问词+ be动词+ 形容词比较级, 甲 or 乙? 比较级常用句型 eg: Which is bigger , the Earth or the Moon? 特殊疑问词+ 实义动词+ 副词比较级, 甲 or 乙? eg: Who draws better, Jenny or Danny? Does Emma work as hard as Ella? Yes, she does. 比较级的特殊疑问句： Who/Which + be/实义动词+ 比较级, (A or B)? 副词原级比较的一般疑问句式： Does/Do +A+ 实义动词+副词原形 +as +B ? Who's more hard-working at school? I think Chen Jie works harder than Peter.  在比较级前常用 much, a lot, far, even, a little, a bit, still ,three times等词来修饰，表示程度。 形容词或副词比较级前的修饰词 翻译以下句式：Please translate the following sentences into Chinese.  这部电影比那部有趣的多。 This movie is _______ more interesting than that one. 我弟弟稍微比我高一点。 My brother is ________ taller than me. 他跑得甚至更快。 He is running _______ faster now. far a little even • much / a lot / far (…得多) • a little / a bit (稍微…一点) • even / still (甚至更…) ✎在形容词比较级前还可用much、even、 still、far、a little等来修饰, 表示“……的多”,“甚至……”,“更……”,“……一些”。 eg: He is much more serious than his brother. This book is even more useful than that one. 比较级的用法 特别提醒： 在使用比较级时一定要注意： （1）比较对象必须一致。 e.g. My hair is longer than yours. 我的头发比你的（头发）长。 （2）有时为了避免重复，可用that代替前面提到的单数名词或 不可数名词，用those代替前面提到的复数名词，且that或 those不能省略。 e.g. In winter, the weather in Hainan is warmer than _______ in Beijing.冬天，海南的天气比北京的（天气）暖和。 His stories are more interesting than ________ I told. 他的故事比我讲的（故事）有趣。 相当于 your hair that those the+比较级...，the+比较级... 表示“越……, 越……”。 e.g. The more, the better. The harder you work,the better grades you’ll get. __________you’re,________mistakes you’ll make. A.The careful；the less B.The more careful；the less C.The more carefully；the fewer D.The more careful；the fewer the 比较级of the two表示是两者中较...的。 Of the two girls, Lucy is the thinner. -Look at the two boys.Which one is Tom? -He is____________of the two. A.the tall B.the taller C.tall D.the tallest Use the words in brackets to write questions and answers. 1. Q:Is Julie slimmer than you? (Julie/ slim / you) A: No, she isn't. She is as slim as me. 2. Q:_________________________________? (you/serious/cousin) A:No,I’m not. I am____________than he is. 3. Q:_______________________?(Tom/smart/Sam) A:No, I don’t think so.I think Sam is as______as Tom. 4. ___________________________?(Jack/ swim / fast / Sally) No, he doesn't. He swims as______as Sally. Are you more serious than your cousin? less serious Is Tom smarter than Sam smart Does Jack swim faster than Sally fast /slɪm/ slim /ˈsɪəriəs/ 严肃的 Yes/No questions 3b Look at the chart. Then complete the sentences to compare Guangzhou and Chicago. Use the words in the box and than. 3c Facts Population (2022) 18.734 million 2.665 million Area 7,436 square km 589 square km Average rainfall per year 1,923 mm 910 mm Average January temperature 16 °C -6 °C Average July temperature 31 °C 23 °C Guangzhou 广州 Chicago 芝加哥 large small much warm 1.The population of Vancouver was ___________ that of Guangzhou in 2024. 2.In area, Guangzhou is ___________ Vancouver. 3.It rains ______ in Guangzhou ___________ in Vancouver. 4. Guangzhou has a pleasant temperature in January. It is ______________ Vancouver in January. 5. Vancouver is ____________ Guangzhou in July. smaller than larger than more warmer than cooler than cool than Conclusion 形容词/副词的比较级在中考英语中的主要考点 • 一般 + er：tall → taller • 以 e 结尾 + r：large → larger • 辅音+y → ier：busy → busier • 重读闭音节双写 + er：big → bigger • 多音节词前加 more：important → more important 比较级构成规则 • good/well → better • bad/ill → worse • many/much → more • little → less • far → farther/further 不规则变化 1. Jim is ________ than Peter. A．tall B．taller C．the tallest 2. — How are you feeling today?— Much ________. A. good B. well C. better 3. It is ________ to swim in winter than in summer because the water is too cold. A．safer B．more difficult C．easier 4. Which is ________, English or Chinese? A．interestinger B．more interesting C．most interesting Exercise 一、单项选择 B C B B 二、用括号内所给单词的适当形式填空。 1. This bridge is the _______ (short) of the two. 2. This elephant is three times ______ (big) than that tiger. 3. Bob’s grandma is eighty, but she looks much ________ (young) than she is. 4. I think maths is _____________ (difficult) than English. It’s hard for me to learn it well. 5. —Which dog do you think is _____ (lazy), Hobo or Eddie? —I think Eddie is. shorter bigger younger more difficult lazier 专项演练 三、翻译题 1. 这个房间比那个房间大一点儿。（a little） This room is a bit bigger than that one. 2. 她学习比我更努力。 She studies harder than me. 3. 这本书比那本书有趣得多。 This book is much more interesting than that one. 4. 他是班里最高的男孩（ than any other...）。 He is taller than any other boy in the class. 5. 今天比昨天热吗？ Is it hotter today than yesterday? Summary New words fact; slim; population; km; average; rainfall; per; mm; pleasant the comparatives Grammar (1) 形容词和副词一般具有比较级结构 (2) 比较级的构成：①单音节、双音节、多音节；②规则变化和不规则变化 (3) 比较级的用法：①比较级+than；②比较级前可以用副词修饰 (4) 比较级表达最高级：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。 Make a presentation about your chart The population of … is larger/bigger/smaller than that of … In area, … is larger/smaller than ... It rains more/less in … than in … … has a … temperature in January. It is … than … in January. … is … than … in July. Homework 1. 基础层：背诵本课的生词和重点句子; 完成课本3b和3c的练习。 2. 提高层：用比较级写5个句子，描述自己和家人或朋友在外貌、 性格、爱好等方面的不同。 3. 拓展层：查找资料，用比较级对比两个自己喜欢的城市或国家 的不同方面（如天气、风景等），写一段小短文。 8777.159 $