课题 人教版八年级上册英语 Unit 4 What's the best movie theater Section A 3a - 3c 导学案 班级 备课教师
课型 第3课时 课时 1
一、学习目标 1. Be able to master the comparative and highest composition and usage of adjectives and adverbs. 2. Be able to describe and compare things with the comparative and highest levels. 3. Be able to improve the comprehensive language use ability through reading and writing exercises. 二、学习重难点 1. Key points Rules and irregular changes of the comparative and highest levels of adjectives and adverbs. Can accurately use the comparative level and the highest level to describe and compare in the actual situation. 2. Difficult points The ative and highest changes of some adjectives and adverbs. Understand and correctly apply the structure of the comparative and highest levels in complex sentences. 三、学习过程 (一)预习导学 1. 回顾 Grammar Focus 中的句子,注意其中形容词和副词的比较级和最高级的用法。 2. 预习 3a 中的填空练习,尝试根据语境猜测所填单词的形式。 (二)课堂探究 1. 3a 练习 独立完成 3a 的填空练习。 小组内交流答案,讨论解题思路和所涉及的语法知识点。 教师点评,重点讲解易错点和难点。 2. 3b 练习 思考镇上三家类似的商店,从服务、价格、质量等方面进行比较。 填写表格,并根据表格信息写出六个句子。 小组内互相分享句子,互相纠正语法错误。 选取几个小组进行展示,全班共同学习。 3. 3c 练习 思考家附近的三家午餐餐馆,从价格、距离、服务、食物质量等方面进行比较。 填写表格,在小组内讨论并选出最好的一家。 每个小组派代表向全班汇报讨论结果,说明选择的理由。 (三)知识总结 1. 形容词和副词比较级和最高级的构成规则: 一般情况:直接在词尾加 -er/-est 。 以不发音的 e 结尾:加 -r/-st 。 重读闭音节且末尾只有一个辅音字母:双写辅音字母再加 -er/-est 。 以“辅音字母 + y ”结尾:变 y 为 i 再加 -er/-est 。 部分不规则变化:good/well - better - best ;bad/badly - worse - worst ;many/much - more - most ;little - less - least ;far - farther/further - farthest/furthest 。 2. 比较级的用法:用于两者之间的比较,表示“更……”。 3. 最高级的用法:用于三者或三者以上的比较,表示“最……”。 (四)课堂检测 1. 用所给单词的适当形式填空。 This book is ______ (interesting) than that one. Who is the ______ (tall) student in your class This hotel has the ______ (bad) service in the city. The weather today is much ______ (hot) than yesterday. My sister sings ______ (beautifully) of all. 2. 选择填空。 This question is ______ than that one. A. easy B. easier C. easiest D. the easiest Which city is ______, Beijing, Shanghai or Guangzhou A. big B. bigger C. the biggest D. biggest Tom is one of ______ students in our class. A. good B. better C. best D. the best The Yellow River is the second ______ river in China. A. long B. longer C. longest D. the longest This coat is too expensive. Do you have a ______ one A. cheap B. cheaper C. cheapest D. more cheap (五)课后拓展 1. 用形容词和副词的比较级和最高级描述你的学校与其他学校的不同之处。 2. 调查你的同学对学校周边不同商店或餐馆的评价,并用英语写一篇小短文。