六年级上册比较级和最高级教案

曾文迪 五年级 一对一 叶娟 第 1 页 共 3 页 教研主任签字 教学内容 形容词的比较级和最高级讲解 教学目标 通过教学使学生学会形容词比较级和最高级的变法和运用 教学重点难点 对不同形容词比较急和最高级变法的记忆和理解及运用 教学过程 1 知识要点 形容词的比较级和最高级的变法及应用 比较级 两者之间的比较 用在句中标志性的词是 than 1 绝大多数单音节词和部分双音节词直接加 er 构成比较级 如 strong stronger fast faster slow slower weak weaker short shorter light lighter 如 I m stronger now John is faster than Bob 2 以 e 结尾的直接加 r 构成比较级 如 large larger huge huger wide wider nice nicer late later 如 Shenzhen is larger than Zhuhai 3 以辅音加 y 的变 y 为 i 再加 er 如 heavy heavier early earlier busy busier happy happier 如 I am earlier than you The busier I am the happier I feel 4 单音节形容词只有一个元音字母 其末尾为一辅音字母时 双写最后一个字母再加 er 如 big bigger hot hotter fat fatter 如 I am fatter than my sisiter 5 还有一些不规则变化 如 good well better bad worse many much more far farther further 如 I have more apples than you You re a better student this year than last year 最高级 最高级的变化比较级的变化是一样的 你能根据比较级的变化总结最高级的变化吗 不同的是最高级 的 变化是加 est 且用的时候在单词前要加 the 用在三者以上的比较 表示 最 句中标志性的词是 in of one of 1 绝大多数单音节词和部分双音节词直接加 est 构成比较级 如 strong strongest fast fastest slow slowest weak weakest short shortest light lightest Tonny is the strongest in our class Qomolangma is the highest mount in the world 2 以 e 结尾的直接加 st 构成比较级 如 large largest huge hugest wide widest nice nicest late latest 如 Chongqing is the largest city in China 3 以辅音加 y 的变 y 为 i 再加 est 如 heavy heaviest early earliest busy busiest happy happiest 如 This box is the heaviest of the three Who is the busiest today 4 单音节形容词只有一个元音字母 其末尾为一辅音字母时 双写最后一个字母再加 est 如 big biggest hot hottest fat fattest 如 The sun is the biggest thing in our solar system Jim is one of the fattest boy in our class 5 还有一些不规则变化 如 good well best bad worst many much most far farthest furthest 如 I have the most apple in my family You are the best student in our class 2 精选习题 1 写出下列单词的比较级和最高级 long hot heavy big young fat 曾文迪 五年级 一对一 叶娟 第 2 页 共 3 页 教研主任签字 small thin high large good bad well much many far 2 填空 Tom is strong than Mary Lucy is loud than any of us This box is heavy than that one The sun is big than the moon Ted is late than Terry for class today My flat is good than her flat Today is hot than yesterday It s hot day of this year The Changjiang River is long river in China Tom is tall in our class The moon is small of the three The Changjiang River is very long It s the long river in China It s much long than any other river Ted is very slow but Haley is very fast Which is big the sun or the earth Some of the stars are much far from us than the other stars 3 选择最佳答案 1 Tim doesn t like to exercise He s very A weak B strong C weaker D stronger 2 Lily is stronger slower this year A or B but C and D so 3 The Greatest Wall is wall in the world A long B longer C The longest D Longest 4 Which boy is Tim Bob or John A tall B taller C tallest D the tallest 5 The Earth is than the Sun A big B bigger C small D Smaller 6 Mount Qomolangma is 8844 83 tall A m B kg C km D Cm 7 Bob is honest boy A a B an C the D 思考 一些双音节