比较级用法.ppt

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1、1. 构成的规则变化构成的规则变化:1) 单音节词和少数双音节词单音节词和少数双音节词 一般在词尾后加一般在词尾后加-er 或或-est. 如：如：cold colder coldest nice nicer nicest2) 重读闭音节词末尾只有一个辅音字母重读闭音节词末尾只有一个辅音字母时时, 先双写这个辅音字母先双写这个辅音字母, 再加再加-er或或-est。如如: big bigger biggest fat-fatter thin thinner thinnest red-redderGrammar: 形容词和副词的 原级、 比较级和最高级3) 以以“辅音字母辅音字母+ y”结尾的双

2、音节词，结尾的双音节词， 先改先改y为为i, 再加再加-er或或-est。如：。如： easy easier easiest happy happier happiest4) 多音节词和部分双音节词在词多音节词和部分双音节词在词前加前加more或或most。如：。如： delicious more delicious most delicious interesting more interesting most interesting 构成的不规则变化构成的不规则变化: :eg. good / well better best illbad / badly worse worst many

3、/ much more most little less least far farther / further farthest/ furthest old -olderelder -oldesteldestRead in pairsnewnewerbigbiggerthinthinner largelargernicenicer easyeasier heavyheavier goodbetterbadworse smartsmarterwildwilderfunnyfunniertalltallermanymoremuchmorewellbetterlonglonger shortsho

4、rtersmallsmaller形容词的比较级和最高级 tall long cold fast thick small strong hard new short wide fine late fat big thin red happy early easy heavy beautiful exciting interesting popular difficult useful important good far ill much bad many wellLiu Xiang is tall. Pan Changjiang is short. Liu Xiang is taller th

5、an Pan Changjiang.Pan Changjiang is shorter than Liu Xiang than 比比 (conj .连词连词).The red box is big. The green box is small. The red boxthe green box. The green box the red box.The purple ruler is long. The blue ruler is short. The purple ruler is longer than the blue ruler. The blue ruler is shorter than the purple ruler.Lin Xinru is thin.Liu Yifei is thinner. Liu Yifei is thinner than Lin Xinru.45kg48kgLi Yong is more outgoing than Cheng long.Cheng Long is outgoing.Li Yong is more outgoing.