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1、形容词副词比较级ppt课件 Still waters run deep.流静水深流静水深,人静心深人静心深 Where there is life,there is hope。有生命必有希望。有生命必有希望bigbigLookatthepicturesandunderstand看图并理解bigbiggerLookatthepicturesandunderstand看图并理解Lookatthepicturesandunderstand看图并理解bigbiggerbiggestfastLookatthepicturesandunderstand看图并理解fastfasterLookatthepic
2、turesandunderstand看图并理解fastfasterfastestLookatthepicturesandunderstand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“更更一一些些”。（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
3、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
4、改先改“+y”结尾结尾的的双音节词，先双音节词，先改改“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mosttiredmoretiredmosttiredeasilymoreeasilymosteasilyn写出下列单词的比较级和最高级：写出下列单词的比较级和最高级：ntall_nshort_nnice_nlate_nearly_nhappy_nhot_nfat_ndelicious_nbeautiful_ngood_nbad_原级比较级最高级good/wellbetter
5、bestbad/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 no
6、t 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、
7、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
8、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
9、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.fat
10、her 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)A CBBorserorserndTHEEND 再 见