Unit3Grammar 3a--3c课件2026-2027学年人教版英语八年级上册

Unit 3 Same or Different? Section A How are we different from each other? Grammar Focus (3a—3c) Language points Learning objectives At the end of this class, you will be able to: 1. master the new words and expressions of this part; 2. understand the uses of comparative adjectives and comparative adverbs ; 3. summarize the rules and usage of the comparatives. There are ________ (many) activities this year. It is _____________ (colorful).Emma is a little_________(quiet) than Ella, while Ella is __________(funny) than Emma. Emma always gets up________(early) than Ella. Some might say Ella is___________(lazy), but trust me, she works as ___________(hard) as Emma! Ella danced___________(good) than Emma, but Emma sings ___________(loud) than her. Review Han Lin interviewed the twins for the school newspaper and he took some notes. lazier more colorful quieter funnier earlier more hard better louder Comparatives 比较级 Read the sentences and notice the comparatives in bold. 3a Find more examples in Section A. Han Lin: Congratulations on winning the prize at the school music festival! The twins: Thank you! Han Lin: You attended the festival last year and this year. How is this year different? Ella: There are more students and more activities this year. I think it is more colourful than last year. Han Lin: As twins, you look very similar. How are you different? Emma: I’m a little quieter than Ella. And she is funnier than me. Ella: Emma always gets up earlier than me. Many people say I’m lazier than Emma, but that’s not true! I work as hard as her! Han Lin: That’s really interesting. Besides singing, how do you spend your spare time? Ella: I love playing sports more than anything. Emma: I like reading. You see, we’re different in many ways, but together, we make a great team! Han Lin: Thanks for talking with me. The twins: Our pleasure! 什么时候使用比较级？ 形容词和副词的比较级构成是怎样的？ 形容词和副词的比较级用法是怎样的？ Think 大多数形容词和副词有三个等级：原级、比较级和最高级。其中比较级表示“更……”，用于两者（人或事物）之间的比较，说明“前者比后者更……”。 一、定义 Let’s learn. ① Our classroom is bigger than theirs. ② She arrives at school earlier than the other students. 二、形容词和副词的比较级的构成 比较级的变化规则 例词 单音节词和部 分双音节词 /ə/ 一般在词尾加-er tall→taller fast→faster 以字母e结尾的词，在词尾加-r large→larger nice→nicer 以“辅音字母+y”结尾的双音节词，变y为i，再加-er lazy→lazier early→earlier 重读闭音节词尾只有一个辅音字母时，先双写该辅音字母，再加-er big→bigger fat→fatter Let’s learn. 比较级的变化规则 例词 在词前加more outgoing→ more outgoing forgetful→ more forgetful many/much →more little →less good/well →better bad/badly/ill →worse far →farther/further old →older/elder 多音节词和部分双音节词 特殊记忆 _____________ __________ 18.friendly 19.beautifully 写出下面单词的比较级形式。 1.nice ______ 2.fat ______ 3.slow ______ 4.dry ______ 5.happy ______ 6.wet ______ 7.much ______ 8. ill ______ 9.little ______ 10.bad ______ 11. thin ______ 12.far ______ 13.early ______ 14. easy ______ 15.few ______ 16.exciting______________ 17.careful ______________ nicer fatter slower drier happier wetter more worse less worse thinner farther/further earlier fewer easier more exciting more careful friendlier/ more friendly more beautifully Exercise 基本用法 (1)A+ be 动词+形容词比较级+than+ B. A+实义动词+副词比较级+than+ B. This box is heavier than that one. 这个箱子比那个箱子重。 Tom runs faster than Jim. 汤姆跑得比吉姆快。 意为“A 比 B 更……” 三、比较级常用句型结构 Let’s learn. Which/Who+be 动词+形容词比较级, A or B? Which/Who+实义动词+副词比较级, A or B? 意为“哪一个/谁更……，A 还是 B？” Which boy is more outgoing, Tom or Jim? 哪一个男孩更外向，汤姆还是吉姆？ Who dances better, Kate or Jane? 谁跳舞跳得更好，凯特还是简？ (2) 表示两者之间的选择 It’s getting colder and colder in winter. 冬天天气变得越来越冷了。 ◆ The town is becoming more and more beautiful. 这个小镇正变得越来越美丽。 特殊用法 意为“越来越……” (3) 比较级+and+比较级 more and more+ 形容词/副词原级（多音节词和部分双音节词） (4) the+比较级, the+比较级 意为“越……，就越……” The more you laugh, the happier you’ll feel. 你笑得越多，你就会感到越开心。 特殊用法 注意：形容词和副词的比较级前可用much, a little, a lot, far, even, still, any, no, four times等修饰。但不能用so, very, too等来修饰。 We have a much better life now. 我们现在好得多了。 This story is even more interesting than that one. 这个故事比那个更有趣。 注意 表示一方在某一方面不及另一方时， 用“not as/so+形容词原级+ as”。 四、原级常用句型结构 Let’s learn. A+ be 动词+as+形容词原级+as+ B. A+实义动词+as+副词原级+as+ B. 意为“A 和 B 一样……” She plays the piano as well as her mother. His new bike is as cool as yours! Use the words in brackets to write questions and answers. 3b 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. 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. Are you as serious as your cousin more serious Is Tom smarter than Sam smart Does Jack swim faster than Sally fast What cities can you see from the pictures? Guangzhou Vancouver 广州 温哥华 Let’s make comparisons! 3c Population[2024] 18.978 million 0.76 million Area 7, 436 square km 115 square km Average rainfall per year 1,923 mm 1,475mm Average January temperature 16℃ 5℃ Average July temperature 31℃ 18℃ What information can you read from the chart? Guangzhou Vancouver Facts 人口 面积 年平均降雨量 1 月平均气温 7 月平均气温 in fact事实上；实际上 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 than warmer than cooler than Look at the chart. Then complete the sentences to compare Guangzhou and Vancouver. Use the words in the box and than. 3c the+比较级， the+比较级  规则变化、不规则变化 比较级+and+比较级 much、a lot 、a little等 as+原级+as 比较级的构成 比较级的用法 可以修饰 比较级的词 平级比较 形容词和副词的比较级 比较级+than summary 1. Lisa is ___________________(hard-working) than any other student in her class. 2. Our English teacher is very ____________(serious) in class, but he is fun after class. 3. After months of exercise, Susan becomes a little 　　　　　　__________(slim) than before. 4. Bob shouted as __________(loud) as his brother during the football game. 5. She got up __________(early) than her sister, so she was __________(lucky) enough to see the sunrise. 根据句意，用所给单词的适当形式完成句子。 more hard-working serious slimmer loud earlier lucky Exercise I have a good friend, Tina. She is in the US now. We have something in common. I’m as 1. __________(slim) as Tina, and we’re the same height. We also have some differences. Tina is 2. ________________(outgoing) than me. When we sing, she sings 3. __________(loud) than me. And Tina is much 4. __________(funny) than me. She can make people laugh easily. Who works 5. __________(hard) at school, Tina or I? Tina does. Tina is interested in the history of China. She hopes to come to China one day. 用括号中所给单词的适 当形式填空完成语篇。 slim more outgoing louder funnier harder Thank you Same or Different？ $