英语人教版八年级下册形容词的比较级和最高级.doc

九年级英语专题复习形容词副词比较级和最高级教案 和静第三中学 陈晓茜教学目标1)培养对不同事物进行比较的意识。2)学生能够了解并掌握这一语法的规则，并将这一技能运用到现实生活中.教学重点及难点形容词副词比较级最高级的变化规则以及用法。教学过程一. 形容词的比较级（一） （二） 构成： 比较级的构成分为规则变化和不规则变化。1. 规则变化：A. 单音节词尾er： cold colder, talltaller, short shorter, small smaller, long longer, old older（旧的）B. 单音节词以 e 结尾的， 只加 r： large larger, finefiner, nice nicer.C. 以一个元音字母加一个辅音字母结尾的重读闭音节词， 要双写词尾加 er： bigbigger, thinthinner, hothotter, wetwetterD. 以辅音字母加 y 结尾的单音节词和部分双音节词变比较级时， 先变 y 为 i， 再加 er： earlyearlier, busybusier, easyeasier, heavyheavier, dry drier, sunnysunnier, happyhappier.E. 多音节词或部分双音节词变比较级时， 在前面加 more: friendly more friendly, carefulmore careful, outgoing more outgoing interesting more interesting, difficultmore difficultF. 部分双音节词的比较级的不规则变化 good /well better, bad/illworse, many/muchmore, oldolder/elder, farfarther/further, littleless二 形容词和副词的最高级（一） 最高级表示三者或三者以上的人或物进行比较时， 用最高级。形容词的最高级前面要加定冠词 the， 副词最高级前面的 the 可以省略。在含有最高级的句子中， 常有一个 in/of短语来表示比较范围。 如： in my class, in China, of the students, of all, of the three 等。（二） 最高级的变化规则：规则变化就是在词尾加 est。 1. clean, small, long, hard 2. heavy, dirty, healthy, happy 3. big, thin, fat, hot 4. late, nice, large多音节或部分双音节单词构成最高级时， 在前面加 most： difficult, interesting, beautiful; slowly, quickly, friendly, easily; 特殊变化： goodbetterbest; bad/badly/illworseworst many/muchmoremost; littlelessleast; 3 用法： 用于两者（人或物） 之间， 表示“其中一个比另一个更” 或“较” ， 后面通常用连词 than 连结另一个比较的对象， 其基本句型是： 主语谓语（系动词） 形容词比较级than对比对象。 ex. Jim is taller than Mike. Mike is shorter than Jim. Its hotter today than it was yesterday.4 见PPT.巩固训练.We can do it Practice makes perfect.（走进中考）1. This story is not _ as that one. A. more interesting B. less interesting C. so interested D. so interesting 2. It takes _ time to go to Beijing by plane than by train. A. more B. fewer C. longer D. less 3. Of the two pencil-boxes，the boy chose _ one. A. less expensive B. the least expensive C. the less expensive D. the most expensive 4. _children there are in a family， _ their life will be. A. The less； the better B. The fewer； the better C. Fewer； richer D. More； poorer 5. Miss Li is one of _ in our school. A. a popular teacher B. more popular teacher C. most popular teacher D. the most popular teachers 6. John is my _ friend of all the classmates. A. good B. better C. best D. the best 7. When winter comes， the days get _. A. short and short B. shorter and shorter C. long and long D. longer and longer 8. Who did English homework better, Leo or Nick? -Leo is more careful. I think Leo did _ Nick. A. as good as B. as well as C. better than D. worse than 9. Were happy that our country has developed_ these years than before. A. quickly B. less quickly C. more quickly D. most quickly10.- What bad weather! -Yes. The radio says it will be even_ later on. A. bad B. badly C. worse D. worst11.The population of China is _ than any other country in the world. A. larger B. less C. smaller 12.Which one is _ , this one or that one? A. good