构词规则之形容词比较级和最高级.pptVIP

形容词比较级和最高级的构词规则 一、规则变化 1.单音节和少数双音节单词，一般在词尾加“er”或“est”。 clean, tall, small, cheap , short, long, light, high 2. 以不发音字母“e”结尾的单词，直接在词尾加 “r”或“st”。 nice, late, close, fine, large, free, rude 以重读闭音节结尾的单词，如果词尾只有一个辅音字母时，应先双写这一辅音字母，再加“er”或“est”。 fat, big, red, thin, hot, fat, sad, wet 以辅音字母+y结尾的单词，应先改“y”为“i”，在加“er”或“est”。 happy , easy, heavy, healthy, busy, lucky, pretty, sunny, funny 5、 其他双音节单词和多音节单词，都在其前面加“more”或“most”。(beautiful, interesting) 二、 不规则变化。 合二为一共三对:“坏bad”,“病ill”的比较级为worse,最高级为worst.两多many/much”的比较级为more,最高级为most.“两好good/well” 的比较级为better, 最高级为best. 一分为二只两个，一是“远far”的比较级为farther/further,最高级为farthest/furthest.二是“老old”的比较级为 older/elder，最高级为oldest/eldest. 还有一词little“少”的比较级为less,最高级为least. Read and compare : young long full short small old fine easy hungry early heavy big red younger youngest longer longest fuller fullest shorter shortest smaller smallest older oldest finer finest easier easiest hungrier hungriest earlier earliest heavier heaviest bigger biggest redder reddest healthy many famous ill exciting carefully wet hot little few healthier healthiest more most more famous most famous worse worst more exciting most exciting more carefully most carefully wetter wettest hotter hottest less least fewer fewest I. 原级用法: *** 1. as+adj/ adv.的原级+ as (肯,否) , (not)so…as (否) eg. The ruler is as long as that one. He sings as well as Jack. He doesn’t sing as(so) well as Jack. 2. as much as, as many as 与…一样多 eg. I have done as much work as he did yesterday. You c