Unit 3语法 形容词比较级 -2025-2026学年人教版（2024）英语八年级上册

Unit3 形容词和副词的比较级 一、形容词和副词比较级的基本概念 形容词比较级用于比较两个人或事物的性质、特征等。在英语中，形容词比较级有两种形式：规则变化和不规则变化。 二、形容词比较级的构成 1.比较级和最高级的构成--规则变化 构成 原级 比较级 最高级 单 音 节 词 一 般 加-er/-est strong 强壮的 stronger 较强壮的 strongest 最强壮的 以字母 e 结尾只加-r/-st brave 勇敢的 braver 更勇敢的 bravest 最勇敢的 以一个辅音字母结尾的重读闭音节词， 双写这一辅音字母再加-er/-est red红色的 fat胖的 hot 热的 thin 瘦的 big大的 wet 潮湿的 redder 更红的 fatter更胖的 hotter更热的 thinner 更瘦的 bigger更大的 wetter 更潮湿的 reddest 最红的 fattest 最胖的 hottest 最热的 thinnest 最瘦的 biggest 最大的 wettest最潮湿的 以“辅音字母+y”结尾， 将y变为i， 再加-er/-est angry 生气的 happy 高兴的 angrier 更生气的 happier 更高兴的 angriest 最生气的 happiest 最高兴的 多音节词和部分双音节词前加 more/ most beautiful 漂亮的 more beautiful更漂亮的 most beautiful最漂亮的 (2)不规则变化 原级 比较级 最高级 good, well better best bad worse worst little(少的) less least much, many more most far farther/ further farthest/ furthest old older/ elder oldest/ eldest 练习1：写出下列形容词的比较级 1. young → _______ 2. heavy → _______ 3. funny → _______ 4. expensive → _______ 5. good → _______ 6. bad → _______ 7. little → _______ 8. far → _______ 3、 形容词和副词的原级比较 1. 用于"as...as"结构： - A + be动词/实义动词 + as + 形容词/副词原级 + as + B - Tom is as tall as Mike. - Lucy sings as beautifully as Lily. 2. 用于"not as/so...as"结构： - A + be动词/实义动词 + not as/so + 形容词/副词原级 + as + B - This book is not as interesting as that one. - He doesn't run as fast as his brother. 练习题2： 1.塔拉学习和蒂娜一样努力吗？ Does Tara work ________ ________ ________ Tina? 2.He works as hard as Tom.(改为否定句) He ________ ________ so hard as Tom. 4、 形容词和副词比较级的用法 1. 比较两个人或事物 句型：A + be动词 + 形容词比较级 + than + B - Tom is taller than Mike. - This book is more interesting than that one. - My room is cleaner than yours. 2. 表示"越来越..." 句型：比较级 + and + 比较级 - The weather is getting hotter and hotter. - She becomes more and more beautiful. - Our city is becoming more and more modern. 3. 表示"越...就越..." 句型：The + 比较级..., the + 比较级... - The more you practice, the better you will be. - The earlier you start, the sooner you will finish. - The harder you work, the more you will learn. 练习3：用比较级完成句子 1. My brother is _______ (tall) than me. 2. This problem is _______ (difficult) than that one. 3. The weather today is _______ (cold) than yesterday. 4. Her English is getting _______ (good). 5. _______ (much) you read, _______ (much) you know. 五、使用比较级时的注意事项 1. 比较对象要一致： - 正确：My hair is longer than yours (your hair). - 错误：My hair is longer than you. 2. 避免双重比较： - 错误：She is more prettier than her sister. - 正确：She is prettier than her sister. 3. 多音节形容词比较级要用more： - beautiful → more beautiful - important → more important - difficult → more difficult 练习4：改错 1. This box is more heavier than that one. 2. She is more taller than her sister. 3. My bag is bigger than you. 4. The movie is interestinger than the book. 六、答案 练习1答案： 1. younger 2. heavier 3. funnier 4. more expensive 5. better 6. worse 7. less8. farther/further 练习2答案： 1.as hard as 2.doesn't works 练习3答案： 1. taller 2. more difficult 3. colder 4. better and better 5. The more, the more 练习4答案： 1. This box is heavier than that one. 2. She is taller than her sister. 3. My bag is bigger than yours. 4. The movie is more interesting than the book. 【同步检测】 1．She looks a little （slim）than before because of doing exercise. 2．He feels even ( bad ) after taking the medicine, he has to go to see the doctor at once. 3．— Who is (slim) of the twin sisters? — Millie is. 4．He arrives at the bus station an hour （early）than yesterday. 5．Sam is taller than any other student in his class. （改为同义句） Sam is student in his class. 6．今天比昨天冷得多。 It is today it was yesterday. 7．我们应该花较少的钱做更多的事。 We should spend money doing things. 8．哪一个更出名，颐和园还是西湖? Which one is , the Summer Palace or the West Lake? 9．春天要来了，天气会变得越来越暖和。 Spring is coming. The weather will become . 10．你越仔细，你犯的错误就越少。 you are, mistakes you will make. 【真题链接】 11．—You have made great progress on your study. —Thank you. I believe ________ you work, the better grades you will get. A．the worse B．the harder C．the more careless D．the more careful 12．Light and bright colors make people not only ________ but also more active. A．earlier B．lazier C．busier D．happier 13．Hi, Mom is __________ than any other film that I’ve ever seen. A．popular B．the most popular C．too popular D．more popular 用说给词的适当形式填空 14. She is much ______________(short) than Sally. 15. A dictionary is much ___________________ (expensive) than a story-book. 16. An orange is a little ______ (big) than an apple, but much _________ (small) than a watermelon（西瓜）. 17. He comes to school much ____________ (early) than I. 答案： 1. slimmer 2. worse 3. the slimmer 4. earlier 5. the tallest 6. much colder, than 7. less, more 8. more famous 9. warmer and warmer 10. The more careful, the fewer 11. B 12. D 13. D 1. shorter 2. more expensive 3. bigger, smaller 4. earlier 1 学科网（北京）股份有限公司 学科网（北京）股份有限公司 $$