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1、ENGLISH形 容 词 与 副 词 的 比 较 等 级英语课件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 aimsThe 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 1、原级，即原形。、原级，即原形。（没有比较时用原级）2 2、比较级，表示、比较级，表示“ “较较”或或“ “更更一些一些” ” 。
2、（两者比较时用比较级）3 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 节词一般在词词尾加-er/或-est/ist/coldcoldercoldestfastfasterfastest以字母e结结尾的形容词词，加-r或- stnicenicernicestlargelargerlargest重读闭读闭 音节词节词 只有一个辅辅音字母 时时，应应先双写辅辅音字母；再加- es或-estbigbiggerbiggesthothotterhottest以
3、“辅辅音字母+y”结结尾的双音节词节词 ，先改“+y”结结尾的双音节节词词，先 改“y”为为“i”,再加-er或-esteasyeasiereasiestearlyearlierearliest多音节 词和部 分双音 节词在词词前加more或mosttiredmore tiredmost tiredeasilymore easilymost easily原级比较级最高级good / wellbetterbestbad / badlyworseworstmany / muchmoremostlittlelessleast farfartherfarthestfurtherfurthest一、形容
4、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 o
5、ften 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 m
6、ore 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
7、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
8、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、
9、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 happyC. Busier, happier D.The busier, the happier 5、The weather is getting w_ a_ w_ .(越来越糟糕)CBBD Dorst nd orst THE END再 见
