资源简介 Unit5语法:形容词比较级和最高级学案(外研版2024版七年级下册)一、学习目标1. 知识目标掌握形容词比较级和最高级的基本规则(规则变化与不规则变化)。理解比较级和最高级在句子中的应用场景。2. 能力目标能够正确使用比较级和最高级描述事物差异。能在真实情境中完成对比和最高级表达。3. 情感目标通过生活化例句和趣味练习,激发学生对英语语法的兴趣。二、学习重点与难点重点:形容词比较级和最高级的构成规则。比较级句型(A is er than B)和最高级句型(A is the est)。难点:不规则形容词的比较级和最高级(如good → better → best)。多音节形容词使用 more/most 的规则。三、学习环节设计1. 导入(5分钟)活动:图片对比展示三张图片(如不同高度的长颈鹿、不同大小的西瓜、不同价格的文具)。提问:Which giraffe is tall → The first giraffe is taller than the second.Which watermelon is big → The third one is the biggest.目的:通过视觉对比引出比较级和最高级的概念。2. 讲解(15分钟)内容1:规则变化单音节形容词:比较级:形容词 + er(例:tall → taller)。最高级:形容词 + est(例:tall → the tallest)。以 e 结尾:直接加 r/st(例:nice → nicer → nicest)。以 辅音 + y 结尾:变 y 为 i 再加 er/est(例:happy → happier → happiest)。以 短元音 + 辅音 结尾:双写辅音字母(例:big → bigger → biggest)。多音节形容词:比较级:more + 形容词(例:beautiful → more beautiful)。最高级:the most + 形容词(例:beautiful → the most beautiful)。内容2:不规则变化常见不规则形容词:good → better → bestbad → worse → worstmany/much → more → mostlittle → less → least内容3:句型结构比较级:A is er than B例:This book is more interesting than that one.最高级:A is the est in/of...例:Mount Qomolangma is the highest mountain in the world.3. 练习(20分钟)习题1:选择题1. The elephant is ______ than the tiger.a) heavy b) heavier c) heaviest2. This is ______ movie I have ever seen!a) funny b) funnier c) the funniest3. My sister is ______ (tall) than me.习题2:填空题1. Winter is ______ (cold) than autumn.2. The Nile River is ______ (long) river in the world.3. My cat is ______ (lazy) of all the pets.习题3:改错题1. This car is expensiver than that one.2. She is the most smart student in our class.3. These apples are gooder than those.习题4:翻译题1. 北京比上海冷。(cold)2. 熊猫是世界上最可爱的动物之一。(cute)3. 我的书包比你的重。(heavy)4. 小结(3分钟)总结规则:单音节词加 er/est,多音节词用 more/most。不规则变化需单独记忆(如good → better → best)。提问互动:How do we say “更漂亮” in English → more beautifulWhat is the superlative form of “bad” → worst5. 作业(2分钟)1. 用比较级和最高级描述家庭成员(例:My father is taller than my mother.)。2. 完成表格填空(提供形容词原形,学生填写比较级和最高级)。四、板书设计形容词比较级和最高级1. 规则变化:tall → taller → tallestbig → bigger → biggesthappy → happier → happiestbeautiful → more beautiful → most beautiful2. 不规则变化:good → better → bestbad → worse → worst3. 句型:A is er than B.A is the est in/of...五、习题答案详解习题1:选择题1. b) heavier(单音节词加er)2. c) the funniest(以辅音+y结尾,变y为i加est)3. taller习题2:填空题1. colder2. the longest(单音节词最高级)3. the laziest(辅音+y结尾,变y为i加est)习题3:改错题1. This car is more expensive than that one.(expensive为多音节词)2. She is the smartest student in our class.(smart为单音节词)3. These apples are better than those.(good的比较级为better)习题4:翻译题1. Beijing is colder than Shanghai.2. Pandas are one of the cutest animals in the world.3. My schoolbag is heavier than yours.六、教学反思亮点:通过图片对比和互动提问,学生能快速理解比较级和最高级的核心逻辑。改进:部分学生对不规则变化记忆困难,需增加趣味记忆游戏(如单词卡片配对)。延伸:下节课可结合实物(如不同长度的铅笔)进行课堂小组竞赛,强化实际应用。 展开更多...... 收起↑ 资源预览