形容词的等级.ppt
ENGLISH形 容 词 与 副 词 的 比 较 等 级嘉祥街道中学 任爱花初中英语课件CHUZHONGYINYUKEJIANShow Learning aims(学习目标)n学习并掌握形容词与副词的比较级和最高级的构成。n学会运用形容词与副词的比较等级。Show Learning aimsbigbigLook at the pictures and understand 看图并理解bigbiggerLook at the pictures and understand 看图并理解Look at the pictures and understand 看图并理解bigbiggerbiggestfastLook at the pictures and understand 看图并理解fastfasterLook at the pictures and understand 看图并理解fastfasterfastestLook 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。、原级，即原形。（没有比较时用原级）2、比较级，表示、比较级，表示“较较”或或“更更一些一些”。（两者比较时用比较级）3、最高级，表示、最高级，表示“最最”的意思。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 级最 高 级单音节词和少数多音节词一般在词尾加一般在词尾加-er/或或-est/ist/coldcoldercoldestfastfasterfastest以字母以字母e结尾的形容词，加结尾的形容词，加-r或或-stnicenicernicestlargelargerlargest重读闭音节词只有一个辅音字母重读闭音节词只有一个辅音字母时，应先双写辅音字母；再加时，应先双写辅音字母；再加-es或或-estbigbiggerbiggesthothotterhottest以以“辅音字母辅音字母+y”结尾的双音节词，结尾的双音节词，先改先改“+y”结尾结尾的的双双音节词，先改音节词，先改“y”为为“i”,再加再加-er或或-esteasyeasiereasiestearlyearlierearliest多音节词和部分双音节词在词前加在词前加more或或mosttiredmore tiredmost tiredeasilymore easilymost easily原级比较级最高级good/wellbetterbestbad/badlyworseworstmany/muchmoremostlittlelessleastfarfartherfarthestfurtherfurthest一、形容词和副词比较级和最高级的构成一、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.特殊用法二、形容词和副词的比较级和最高级的用法 特殊用法1、形容词的最高级前面一般加定冠词the.而副词的最高级前面可加可不加。如果最高级前有物主代称、指示代称、名词所有格等修饰时，省略“the”.eg.My oldest daughter is 16 eg.My oldest daughter is 16 years oldyears old2 2、最高级常与由介词、最高级常与由介词inin或或.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.farest2、The Changjiang River is _ than any other river in China.A.shorter B.longer C.shortest D.longest3、Bob never dose his homework _ Mary.He makes lots of mistakes.A.so careful B.as carefully as C.carefully as D.as careful as4、_ she is,_ she feels.A.The more busy,the more happy B.The busy,the happy C.Busier,happier D.The busier,the happier5、The weather is getting w_ a_ w_.(越来越糟糕)CBBD Dorst nd orst THE END 再 见
