ENGLISH 形 容 词 与 副 词 的比 较 等 级形 容 词 与 副 词 的比 较 等 级 知堡中学 : 雷海玲 初中英语课件 CHUZHONGYINYUKEJIAN
Show Learning aims( 学习目标 ) 学习并掌握形容词与副词的比较级和 最高级的构成。 学会运用形容词与副词的比较等级 。 Show Learning aims
big ◇ Look at the pictures and understand 看图并理解
bigbigger ◇ Look at the pictures and understand 看图并理解
big bigger biggest
fast ◇ Look at the pictures and understand 看图并理解
fastfaster ◇ Look at the pictures and understand 看图并理解
fast faster fastest ◇ Look at the pictures and understand 看图并理解
The Comparative and Superlative Degrees of Adjectives and Adverbs ( 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: 1 、原级,即原形。 (没有比较时用原级) 2 、比较级,表示“较……”或“更……一些”。 (两者比较时用比较级) 3 、最高级,表示“最……”的意思。 (两者 以上用最高级)
一、形容词和副词比较级和最高级的构成 1 、规则变化 构 成 方 法原 级比 较 级比 较 级最 高 级最 高 级 单音节 词和少 数多音 节词 一般在词尾加 -er/ə/ 或 -est/ist/ coldcoldercoldest fastfasterfastest 以字母 e 结尾的形容词,加 -r 或 -st nicenicernicest largelargerlargest 重读闭音节词只有一个辅音字母 时,应先双写辅音字母;再加 -es 或 -est bigbiggerbiggest hothotterhottest 以 “ 辅音字母 +y” 结尾的双音节词, 先改 “+y” 结尾的双音节词,先改 “y” 为 “i”, 再加 -er 或 -est easyeasiereasiest earlyearlierearliest 多音节 词和部 分双音 节词 在词前加 more 或 most tiredmore tiredmost tired easilymore easilymost easily
原级比较级最高级 good / wellbetterbest bad / badlyworseworst many / muchmoremost littlelessleast far fartherfarthest furtherfurthest 一、形容词和副词比较级和最高级的构成 2 、不规则变化
二、形容词和副词的比较级和最高级的用法 1 、表示 “ 和 …… 一样 ……” ,用 “ as+ 原级 +as ” 结构。 eg: He likes her as much as he likes his sister. 2 、表示 “ 不如 ……” ,用 “ not as/ so + 原级 +as ” 结构或 “ less+ 原级 +than ” 结构 eg: He does not smoke as/ so heavily as his brother. He smokes less heavily than his brother. 3 、表示 “ 比 …… 更 ……” ,用 “ 比较级 + than ” 结构。 eg: She sees me more often than she sees her brother. 4 、表示 “…… 中最 ……”, 用 “ 最高级 + 比较范围 ” 结构,比较范围为短语从句。 eg: This is the best picture in the hall. This is the best picture that he has ever painted. ■ 基本用法
二、形容词和副词的比较级和最高级的用法 5 、表示 “ 越来越 ……” ,用 “ 比较级 + and + 比较级 ” 结构或 “ more and more + 原级 ” 结构。 eg: Things are getting better and better every day. She is becoming more and more beautiful. 6 、表示 “…… 是 …… 的几倍 ” ,用 “ 倍数 +as+ 原级 +as ” 结构,或者 “ 倍数 + 比 较级 +than ” 结构。 eg: This classroom is three times as big as that one. This classroom is twice bigger than that one. ■ 基本用法
二、形容词和副词的比较级和最高级的用法 1 、形容词的比较级前面一般不加冠词,但表示 “ 两者中较 ……” 的时候,要用 “ the+ 比 较级 +of ” 。 eg: She is better than she was yesterday. She is the taller of the two girls. 2 、形容词的最高级前面一般加定冠词,而副词的最高级前面可加可不加。 eg: This book is the most difficult that I have ever read. He jumped (the) highest of the three boys. 3 、比较级前面可以用 even ( 更加 ) , much (…… 得多 ) , far (…… 得多 ) , a littlie (…… 一 点 ) , a bit ( 一点 ) , slightly ( 些微地 ) , a great deal ( 大量 ) , a good deal ( 大量 ) , a lot ( 大量 ) , still ( 还,还要 ) 等词语表示不定程度或数量。 eg: I am even less lucky. She is far better than me at writing. ■ 特殊用法
Follow ups ( 随堂练习 ) 1 、 ---Mr Zhou, all of the students in our group, who lives ____? ---I think Li Lei does. A. fat B. father C. farthest D. farest 2 、 The Changjiang River is ____ than any other river in China. A. shorter B. longer C. shortest D. longest 3 、 Bob never dose his homework ____ Mary. He makes lots of mistakes. A. so careful B. as carefully as C. carefully as D. as careful as 4 、 ____ she is, ____ she feels. A. The more busy, the more happy B. The busy, the happy C. Busier, happier D.The busier, the happier 5 、 The weather is getting w____ a__ w____.( 越来越糟糕 ) C B B D orst nd orst
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