八年级英语上册 Unit 1 Friends grammar教学案（新版）牛津版.doc

八年级英语上册 Unit 1 Friends grammar教学案（新版）牛津版一、 教学目标：1. 掌握形容词在名词前作定语和系动词后作表语的用法 2. 掌握形容词的比较级和最高级的构成和基本用法3. 能够运用形容词恰当地描述人或事物 4. 能够初步运用形容词的比较等级来比较人或事物教学重点、难点：比较等级的基本用法比较等级的补充用法二、词汇、短语 1. 词汇worse worst height weight sec. petition test swimming2.短语Look politer more interesting the tallest boy the most expensive puter三、句型、语法要点She is shorter than I am.My book is more interesting than hisHe is the tallest boy in our classThis is the most expensive puter in the shop.【课前导学】用到已学知识的回顾任务型阅读：根据课文内容完成下面的表格，每空一词。

NameBettyMaxMay1 She has 2 hair.She is slim.He’s the 3 in our class with poor 4 .She is short and small with 5 and should-length hair.Personality6 and Helpful.Smart, humorous and 7 .Pretty, kind, 8 and faithful.AbilitiesShe can 9 .He’s good at telling funny jokes and walks 10 ./【课堂学习】Task 1. Lead-inparative and superlative adjectivesShow the students some pictures and let them pare them.Task 2. Learning for usePlease read the table on Page11.And rule out how to form paratives and superlatives with adjectives. Task 3. 形容词的比较级和最高级的构成：规则变化和不规则变化。

1. 规则变化①在大多数短形容词词尾加er变成比较级，加est变成最高级② 以字母e结尾的短形容词，只加r或st变成比较级或最高级③以辅音字母加y结尾的短形容词，先把y变成i再加er或est.④一个原音字母加一个辅音字母结尾的，并且是重读闭音节结尾的短形容词，双写这个辅音字母，再加er或est⑤ 在长形容词前加more变成比较级，加most变成最高级2. 不规则变化原级 比较级 最高级 good __________________ _____________________well ____________________ ______________________bad ____________________ _____________________ill ____________________ _____________________many ____________________ _____________________much ____________________ _____________________little ____________________ _____________________far ____________________ _____________________old ____________________ _____________________Task 4.. 形容词比较级的使用 1）两个事物进行比较时，使用比较级。

如：Betty looks slimmer than her friend.2）两个事物进行选择时，使用比较级如：Which book is better, this one or that one?3）两个事物中“较……的一个”时，使用比较级，比较级前加the如：He is the younger of the two boys.4) 表示“越……,越……”时，使用the+比较级，the +比较级如：The more you eat, the fatter you will bee.5) 表示“越来越……”时，使用比较级+and+比较级如：The child grows taller and taller.English is being more and more important.6）形容词前面可以用much、even、still、a little等词修饰如: It’s a little colder today than yesterday. The storybook is much more interesting than that one.Task 5形容词最高级的使用1）三者或者三者以上事物相比时，使用最高级。

形容词最高级前面加冠词the,句尾常有in/of的短语，表示比较范围如：He is the tallest boy of the three.The story is the most interesting one in this book.2）三者或者三者以上事物做选择时，使用最高级如：Which is the heaviest, the dog, the pig or the sheep?3）表示在一定范围内“最……之一”时，使用最高级如：China is one of the oldest countries in the world.4）形容词最高级前有物主代词，指示代词和名词所有格时，冠词the可以省略如：Today is her happiest day in her life.5）形容词和序数词一起使用如：The river is the second longest one in this country.5. 原级、比较级、最高级之间的转换1)原级和比较级之间的转换 He is younger than me. = He isn’t as old as me.2)比较级和最高级之间的转换 He is the tallest boy in his class. = He is taller than any other boy in his class. = He is taller than the other boys in his class.Task 6. PracticeFinish Part A and B on P12Task 7. Homework。