形容词和副词的比较级和最高级。 大多数形容词和副词有三个等级:原级、比较级、最高级。原级指形容词和副词的原形;比较级用来表示“较……”或“更……一些”;最高级则表示“最……” Grammar: 一、形容词和副词的原级: 表示两者(A与B)在某一方面相同时用句型: A + 谓语+ as + 形容词或副词的原形+ as+ B. eg: ① Tom 和 Sam 一样高。 Tom is as tall as Sam. ② Tom 和 Sam 跑得一样快。 Tom runs as fast as Sam. ③英语和数学一样重要。 English is as important as math. ④ Lucy 和Lily 学习一样好。 Lucy studies as well as Lily. 2. 两者(A与B)在某一方面A不如B时用句型: A + 谓语+ not as / so + 形容词或副词的原形+ as+ B. eg: ① Tom 不如 Sam 高。 Tom is not as / so tall as Sam. ② Tom 不如 Sam 跑得快。 Tom doesn’t run as / so fast as Sam. ③英语不如数学重要。 English is not as / so important as math. ④ Lucy 不如Lily 学习好。 Lucy doesn’t study as / so well as Lily. 二、形容词和副词的比较级: 形容词和副词的比较级表示两个事物在进行比较时,一者比另一者较/更……。常用句型: A + 谓语+ 形容词或副词的比较级+ than + B. eg: ① Tom 比 Sam 高。 Tom is taller than Sam. ② Tom 比 Sam 跑得快。 Tom runs faster than Sam. ③英语比数学重要。 English is more important than math. ④ Lucy 比Lily 学习好。 Lucy studies better than Lily. 1、形容词和副词的比较级的规则变化: ①一般直接在词尾加er或 est tall —taller--tallest light —lighter--lightest ②以字母e结尾的直接加r或st nice —nicer—nicest fine —finer—finest ③以辅音字母加y结尾的形容词,要变y为i再加er或est heavy —heavier—heaviest busy —busier--busiest ④以重读闭音节结尾且末尾只有一个辅音字母的 形容词,要双写末尾的辅音字母再加er或 est thin —thinner—thinnest hot —hotter—hottest ⑤多音节词或部分双音节词的比较级和 最高级在其前面加more或most。 beautiful —more beautiful—most beautiful important —more important—most important Interesting– more interesting– most interesting quickly – more quickly – most quickly tired – more tired – most tired 2、不规则形容词的比较级最高级 原级 比较级 最高级 good / well many / much little ill / bad / badly far old better best more most less least worse worst farther/further farthest/furthest older/elder oldest/eldest (10) many /much (11)happy (12)far (13) careful (14)good/well (15) difficult (16)small (17)quiet (18) old more most happier happiest farther farthest more careful most careful better best more difficult most difficult smaller smallest quieter quietest older oldest 3、形容词比较级