Unit 9 This bird is bigger than the first one 课件2.ppt

1、Unit 9 This bird is bigger than the first one,big,big,bigger,biggest,fast,faster,fastest,tall,tall,taller,tallest,strong,strong,stronger,strongest,beautiful,more beautiful,most beautiful,beautiful,比较级句子结构： A + be + 形容词比较级 + than + B For example： Tom is older than Bill. The tree is taller than the fl

2、ower. Kate is more beautiful than Mary. His picture is nicer than hers.,最高级的句子结构： A+be+the+最高级+范围,For example： Russia is the largest county in the world. Lucy is the tallest girl in the class. The nile is the longest river in the world.,Japan is smaller than Australia.,Watermelon is bigger than appl

3、e.,Shanghai is larger than Hefei.,Snow White is more beautiful than the queen.,Cheng Long is taller than Pan Changjiang. Yao Ming is the tallest of the three.,形容词比较级和最高级的规则变化,1:单音节词 ，在词尾加er构成比较级， 加est构成最高级。,tall- taller - the tallest,longlongerthe longest smallsmallerthe smallest shortshorterthe sho

4、rtest newnewerthe newest,2:以不发音的e结尾,直接在词的后面加 r构成比较级,加 st构成最高级,nice- nicer -nicest large larger- largest,3.重读闭音节词 ,双写结 尾的辅音字母, 再加er构成比较级，加est构成最高级。,hot hotter- hottest bigbiggerbiggest fatfatterfattest thinthinnerthinnest,4.以辅音字母+y的词, 把y变i加er构成比较级，把y变i加est构成最高级。,easy- easier easiest busy busier busiest heavyheavierheaviest happyhappierhappiest,5.双音节词多音节词在前加 more构成比较级，加most构成最高级。,beautiful -more beautiful -most beautiful important -more important-most important,6.形容词比较级和最高级的不规则变化,good better- best bad worse- worst much more- most many more- most little le