人教版(新目标)初中英语形容词与副词比较级与最高级.doc

人教版（新目标）初中英语形容词与副词的比较级与最高级 （一）规则变化： 1．绝大多数的单音节和少数双音节词，加词尾-er ，-est tall—taller—tallest 2．以不发音的e结尾的单音节词和少数以-le结尾的双音节词只加-r，-st nice—nicer—nicest , able—abler—ablest 3．以一个辅音字母结尾的重读闭音节词或少数双音节词，双写结尾的辅音字母，再加-er，-est big—bigger—biggest 4．以辅音字母加y结尾的双音节词，改y为i再加-er，-est easy—easier—easiest 5．少数以-er，-ow结尾的双音节词末尾加-er，-est clever—cleverer—cleverest, narrow—narrower—narrowest 6．其他双音节词和多音节词，在前面加more，most来构成比较级和最高级 easily—more easily—most easily （二）不规则变化 常见的有： good / well—better—best ; bad (ly)/ ill—worse—worst ; old—older/elder—oldest/eldest many / much—more—most ; little—less—least ; far—farther/further—farthest/furthest 用法： 1．原级比较：as + adj./adv. +as（否定为not so/as + adj./adv. +as） 当as… as中间有名字时，采用as + adj. + a + n.或 as + many / much + n. This is as good an example as the other is . I can carry as much paper as you can. 表示倍数的词或其他程度副词做修饰语时放在as的前面 This room is twice as big as that one. 倍数+as+adj.+as = 倍数+the +n.+of Your room is twice as larger as mine. = Your room is twice the size of mine. 2．比较级 + than 比较级前可加程度状语much, still, even, far, a lot, a little, three years. five times,20%等 He is three years older than I (am). 表示“（两个中）较……的那个”时，比较级前常加the（后面有名字时前面才能加冠词） He is the taller of the two brothers. / He is taller than his two brothers. Which is larger, Canada or Australia? / Which is the larger country, Canada or Australia? 可用比较级形式表示最高级概念，关键是要用或或否定词等把一事物（或人）与其他同类事物（或人）相分离 He is taller than any other boy / anybody else. Nobody is taller than him. 比较对象相同时，可用that, those等代词代替第二个比较对象 The weather in Shanghai is better than that in Wuhan. 比较级 + than与not so/as + adj./adv. +as的相互转换 Maria is not so / as brave as Helen. = Helen is braver than Maria. Nothing is so easy as this. = Nothing is easier than this. = This is the easiest thing. 3．“比较级 + and + 比较级”表示“越来越……”（加more构成比较形式的，只重复more，不重复原形容词或副词 colder and colder , more and more beautiful 4．“the +比较级（……），the +比较级（……）”表示“越……，越……” The earlier you start