Unit1&Unit3 语法课件 形容词副词原级比较级最高级三级变化 2026-2027学年译林版八年级英语上册

该初中英语课件聚焦形容词、副词的三级（原级、比较级、最高级），从定义入手，通过“Wukong聪明”“Tom比爸爸高”等生活化示例建立概念，再按变化规则（一般情况、辅元辅、不规则变形等）分层讲解，结合as...as、比较级+than等句式构建递进学习支架。 其亮点在于规则分类清晰（如“辅音+y结尾变i加er”“多音节词加more/most”），实例贴近学生认知（如“the more the better”），练习题覆盖选择、填空等形式。通过具体规则分析和情境化表达，提升学生语言能力（准确运用三级形式）和思维品质（逻辑归纳变化规律），助力学生夯实基础，教师可直接用于课堂教学，提高效率。

Part 01 三级的定义 Part 02三级的变化规则 Part 03三级的词组+句式 Part 04三级练习题 1 PART 01 三级(原级，比较级，最高级)的 定义 PART 01 三级的定义 原级：描述本身，“…… 的” 比较级：两者对比，表示 “更……”，关键词 `than` 最高级：三者及以上对比，表示 “最……”，固定加 `the`，搭配 `in/of` 范围 1. Wukong is a smart boy.（原级：聪明） 2. I am smarter than you.（比较级：更聪明，两者对比） 3. Tang Monk is the smartest of the three.（最高级：最聪明，≥3 个人对比） 3 什么是三级变化? 形容词、副词 原级：单词本来的样子 比较级：词尾 + er / 前面加 more，翻译「更…」 最高级：词尾 + est / 前面加 most，翻译「最…」 例子：small — smaller — smallest PART 02 三级的 变化规则 PART 02 三级变化规则 1.一般情况，词尾直接 + er /est long — longer — longest tall — taller — tallest 2.不发音的e 结尾，直接 + r /st cute — cuter — cutest nice — nicer — nicest large — larger — largest 3.辅元辅｜重读闭音节，双写末尾辅音字母，再加 er/est big — bigger — biggest hot — hotter — hottest fat — fatter — fattest 6 PART 02 三级的变化规则 1.辅音字母 + y 结尾 → 变 y 为 i，再加 er/est easy — easier — easiest happy — happier — happiest busy — busier — busiest 2.多音节词（长单词），前面加 more /most careful → more careful → most careful beautiful → more beautiful → most beautiful little（少）→ less → least 3.little 7 PART 02 三级的不规则变形 1.合二为一 good / well-better-best更好 / 最好 bad / ill-worse-worst更差 / 最差 many / much-more-most更多 / 最多 2 一分为二（far & old 两组易混词） 1. far farther（距离更远）— farthest further（程度更进一步）— furthest 2. old older（年龄更大）— oldest elder（辈分年长，家人）— eldest 8 PART 03 三级的 词组+句式 PART 03 三级的词组 原级句型（as…as） 1. A + be + as + 原级 + as + B → A 和 B 一样… 例：Tom is as tall as his dad. 2. not as/so + 原级 +as → A 不如 B… Tom is not as tall as his dad. 3. less + 原级 +than → 不如…… 注：as…as中间加形容词和副词原级 10 PART 03 三级的词组 比较级句型（两者对比） 基础：比较级 + than This bridge is longer than that one. 两者选择：Which is + 比较级，A or B？ Which is longer, this one or that one? less + 原级 +than：不及…… This park is less beautiful than that one. 11 PART 03 三级的词组 比较级句型（两者对比） 比较级+and +比较级 longer and longer more and more popular the +比较级，the +比较级 the more,the better 比较级的前面可以用 much,a little ,a lot ,even 等单词修饰 much taller a little more outgoing 12 PART 03 三级的词组 最高级句型（≥3 个对象） the + 最高级 + in /of … Shanghai is the biggest city in China. one of the + 最高级 + 名词复数 Lu Xun is one of the greatest writers. 序数词 + 最高级 the second largest 第二大 13 PART 03 拓展句式 1 so + 原级 + that … 2 3 too + 原级 + to do 形容词 + enough to do(足够…… 去做某事) The movie is so interesting that all of us like it. She was so tired that she went to bed early. The box is too heavy to carry. He is too young to go to school . She is old enough to drive a car. The room is big enough to hold ten people. 14 PART 04 三级 练习题 Exercise The bread is ___ than these cakes. A. very delicious B. much delicious C. more delicious D. as delicious Lin Tao jumped ___ in the long jump. A. far B. farther C. farthest D. quite far 3.In our city it’s ___ in July ,but it is even ___ in August A. hotter; hottest B. hot; hot C. hotter; hot D. hot; hotter 4.Hainan is the second ___ island in China. A. large B. larger C. largest D. most large C C D C Exercise 5. An elephant is ___ than a tiger . A. heavy B. very heavy C. the heaviest D. heavier 1. Jack is __________ (tall) and ____________(outgoing ) than me. 2. The second-hand car is much____________ (cheap) than the new one. 3. Which is _____________(heavy), a hen or a duck? 4. The more trees we plant in our city, the_______________(beautiful) Jinan will be. D taller more outgoing cheaper heavier more beautiful Exercise This book is______________(interesting) than that one. 6.I think history is a little _______________ (difficult ) than math . 7.Grace is a good singer and she sings____________(clearly) than any other singer. 8. Sam is Bill's brother, and he is_________(fat) than Bill. 9.Who is ____________(busy), your father or your mother? 10.Lucy is__________(thin) than any other student in her class. more interesting more difficult more clearly fatter busier thinner Exercise 1.Do you know who lives___________ (far) in our class? I think Kate does. 2. This restaurant has the__________ (good) service of the three. 3. Huawei is one of the_ ____________(big) smartphone makers in the world. 4. Which is_________________(interesting) subject for you, math, science or English? 5. Mr. Zhao is______________(popular) teacher in our school, and we all love him very much. farthest best biggest the most interesting the most popular Exercise 6. He is one of the_______________(famous) writers in Chinese history. 7.Who does homework________________(careful), Mike, Linda or Mary? the most famous most carefully $