Unit 3 Section A Grammar Focus 课件 2026-2027学年人教版英语八年级上册

该初中英语课件聚焦八年级上册Unit 3语法重点，核心为形容词/副词比较级（-er/more）及as...as结构的用法。课堂以学校10周年庆典活动为导入，通过采访学生对比节目引出比较级，引导观察例句、完成表格填空，搭建从具体语境到规则总结的学习支架。 其亮点在于融合真实情境与任务型教学，如庆典采访、广州与温哥华城市对比等活动，培养学生语言能力与跨文化意识。采用观察归纳法和分层练习，助力学生掌握语法规则并灵活运用，既提升思维品质，也为教师提供结构化资源，提高教学效率。

Unit 3 Same or Different? Section A How are we different from each other? (Grammar Focus) 主题情境 校庆活动采访记 八年级上 At the end of the class, we are able to: 1. master the usage of comparatives with -(i)er and more, and as as; 2. use comparatives with -(i)er and more, and as as to compare people and things. Learning Objectives Hello, I’m Amy! Our school is holding a 10th anniversary celebration event. 10th Anniversary Celebration Event What a wonderful performance! The show is about to end. Let me interview the students and see how they feel about this year’s program compared to last year’s? 10th Anniversary Celebration Event 3a Read the sentences and notice the comparatives in bold. Find more examples in Section A. 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! 形容词比较级 副词比较级 Comparatives with -(i)er and more Some examples in Section A You play the Chinese flute better than anyone else in our music club. I’m not as outgoing as you. But you work harder than me. Emma is taller than Ella. Her hair is longer than Emma’s. I’m a little quieter than Ella. And she is funnier than me. 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! Observe the sentences in the table and complete the blanks. 1.用比较两者不同,形容词或副词用形式。 2.用比较两者在某一方面相同时,形容词或副词用形式。 than 比较级 asas 原级 所有形容词和副词的变化形式都一样吗? 一、形容词和副词的比较级构成 1. 规则变化 tall taller old older fast faster ①单音节和少数 双音节单词一般在词尾直接加er构成比较级 large larger wide wider ②以不发音e结尾的单音节词只加r构成比较级 一、形容词和副词的比较级构成 1. 规则变化 big bigger fat fatter ③重读闭音节词末尾只有一个辅音字母时,先双写辅音字母,再加er 一、形容词和副词的比较级构成 1. 规则变化 heavy heavier happy happier ④以“辅音字母 +y”结尾的形容词,先把y变成i,再加-er 一、形容词和副词的比较级构成 1. 规则变化 beautiful more beautiful quickly more quickly ⑤多音节和部分双音节词在其前加more 一、形容词和副词的比较级构成 1. 规则变化 一、形容词和副词的比较级构成 2. 不规则变化 原级 比较级 good, well bad / ill, badly many/ much little far old better worse more less farther / further older/ elder 两好三坏。两多一少,一远一老 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 and find the rules. 句型总结: 1.A+++than+B. 2.A+++than+B. be 动词 adj.比较级 实义 动词 adv.比较级 二、形容词和副词的常用句式结构 3. “the + 比较级 + of the two” 意为 “两者中比较……的”。 4. “比较级 + and + 比较级” 或 “more and more+ 形容词/副词原级”,表示 “越来越……”,其后均不可接than。 e.g. After the new year, the day is becoming warmer and warmer. 5. “The + 比较级, the + 比较级” 意为 “越……,越……”。 e.g. The harder she worked, the more progress she made. e.g. Lisa is the taller of the two girls. 比较级的其他常见句式结构: 6. “Which/Who + 比较级, A or B?” 表示 “A和B,哪一个/谁更……?” e.g. Who is taller, Jim or Tom? 7. “A+ 倍数 + 比较级 + than + B” 表示 “A是B的多少倍”。 e.g. Our school is three times bigger than yours. 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 and find the rules. 两者进行比较,表示“一方与另一方一样……”常用句型: ① A + be + as + 形容词原形 + as + B e.g. This movie is as moving as that one. ② A + 实义动词 + as + 副词原形 + as + B e.g. Tom runs as fast as Jack. ③否定形式:not as/so + adj./adv.(原形) + as…;意思是:……不如…… e.g. My sister is not as/so outgoing as me. 我妹妹不如我那样外向。 Lucy does not get up as/so early as Amy. 露西起得不如艾米早。 ④not as/so + adj./adv.(原形) + as…的同义短语为:less+原级+than… e.g. 这个房间不如那个房间漂亮 This room is not as/so beautiful as that one. =This room is less beautiful than that one. Instant Training Rewrite the sentences using more than or as as. 1. I prefer trying local food to visiting places of interest in a trip. To me, trying local food is visiting places of interest in a trip. 2. The hotel was very comfortable, just like my own home. The hotel room was my own home. more enjoyable than as comfortable as 3b 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 / your cousin) A: No, I’m not. I am than he is. adj. /sl m/ Are you more serious than your cousin less serious 3. Q: ? (Tom / smart / Sam) A: No, I don’t think so. I think Sam is as as Tom. 4. Q: ? (Jack / swim / fast / Sally) A: No, he doesn’t. He swims as as Sally. Is Tom smarter than Sam smart Does Jack swim faster than Sally fast Do you know our sister school in Vancouver also holds a show? The show is wonderful! I can’t wait for next year! 10th Anniversary Celebration Event Great question! Let’s compare Guangzhou and Vancouver to find out! Yes, but I don’t know much about Vancouver. I wonder which city is more exciting! 10th Anniversary Celebration Event 3c Look at the chart. Then complete the sentences to compare Guangzhou and Vancouver. Use the words in the box and than. Facts 18.978 million 0.76 million 7,436 square km 115 square km 1,923 mm 1,475 mm 16 5 31 18 Population (2024) n. /f kt/ n. / p pju le n/ adj. / v r d / n. / re nf l/ prep. /p (r); p (r)/ = kilometre / k l mi t (r); k l m t (r)/ kilometer = millimetre / m limi t (r)/; millimeter Area Average rainfall per year Average January temperature Average July temperature /v n ku v (r)/ large small much warm cool 1. The population of Vancouver was that of Guangzhou in 2024. 2. In area, Guangzhou is Vancouver. 3. It rains in Guangzhou in Vancouver. smaller than larger than more than 4. Guangzhou has a pleasant temperature in January. It is Vancouver in January. 5. Vancouver is Guangzhou in July. adj. / pleznt/ warmer than cooler than large small much warm cool Today’s school celebration was amazing! We enjoyed talents, shared habits, and explored Guangzhou-Vancouver differences. What a perfect day! 10th Anniversary Celebration Event Remember, everyone has their own strengths—just as every city has its own unique charm. True magic happens when we celebrate these differences! 10th Anniversary Celebration Event 一、单项选择。 1. (2025福建) AI technology in China has developed than anyone expected. A. fast B. faster C. fastest 2. —Which kind of movies do you prefer, action movies or comedies? —I like action movies . A. well B. better C. the better D. the best B B Exercises 3. —Our city is now than before. —Because lots of flowers have been planted. A. beautiful B. more beautiful C. beautifully D. the most beautiful 4. Mike lives from school of all the students, so he always takes a bus to school. A. far B. farther C. further D. the farthest D B 二、用所给单词的适当形式填空。 1. (2025江西改编)—爸爸,我能用我的零花钱买漂亮的衣服吗? —可以呀。不过我觉得把钱花在书上更有意义一些。(meaningful) —Dad, could I spend my pocket money on beautiful dresses? —It’s OK. But I think spending it on books is . 2. 科技对我们的生活有着越来越大的影响。(huge) Science and technology have influence on our life than ever before. huger more meaningful 3. 少年强,则国强。(powerful) The stronger we youth are, the our country will be. 4. 观看沏茶和喝茶一样令人享受。(enjoyable) Watching the tea preparation is just drinking the tea itself. 5. 依我看,你做事情和你哥哥一样认真。(carefully) In my opinion, you do things your brother. more powerful as enjoyable as as carefully as 1. Grammar: Comparatives with -(i)er and more; as as 2. Words and expressions: fact, slim, population, km (= kilometre; kilometer), average, rainfall, per, mm (= millimetre; millimeter), pleasant Summary $