一、形容词、副词的比较级和最高级的构成规则1、一般情况下,单音节或双音节的形容词(或副词)比较级+er,最高级+estclever-cleverer-cleverestfew-fewer-fewestsmall-smaller-smallestyoung-younger-youngesttall-taller-tallestlong-longerlongestshort-shorter-shorteststrong-stronger-strongestwarm-warmer-warmestslow-slower-slowestold-older-oldesthigh-higher-highestlight-lighter-lightestfast-faster-fastestgreat—greater—greatestcool-cooler-coolestclean-cleaner-cleanestcheap-cheaper-cheapestquick-quicker-quickestdear---dearer---dearest2、以不发音e结尾的单音节词,比较在原级后加-r,最高级在原级后加-st;nice-nicer-nicestlate-later-latestable-abler-ablestbrave-braver-bravest(勇敢的)cute-cuter-cutestlarge-larger-largestclose-closer-closest(亲密的)fine-finer-finestwhite-whiter-whitestfree-freer-freest(免费的)3、以“辅音字母+y”结尾的双音节词,把y改为i,比较级加-er,最高级加-est;easy-easier-easiesthappy-happier-happiestearly-earli