精选优质文档-倾情为你奉上单音节词和部分双音节词的变化规则1.一般情况下，在形容词词尾加上“er”“est”构成比较级、最高级bright（明亮的）brighterbrightestbroad（广阔的）broaderbroadest cheap（便宜的）cheapercheapestclean（干净的）cleanercleanestclever（聪明的）cleverercleverestcold（寒冷的）coldercoldestcool（凉的）coolercoolestdark（黑暗的）darkerdarkestdear（贵的）dearerdearestdeep（深的）deeperdeepestfast（迅速的）fasterfastestfew（少的）fewerfewestgreat（伟大的）greatergreatesthard（困难的,硬的）harderhardesthigh（高的）higherhighestkind（善良的）kinderkindestlight（轻的）lighterlightestlong（长的）longerlongestloud（响亮的）louderloudestlow（低的）lowerlowestnear（近的）nearernearestnew（新的）newernewestpoor（穷的）poorerpoorestquick（快的）quickerquickestquiet（安静的）quieterquietestrich（富裕的）richerrichestshort（短的）shortershortestslow（慢的）slowerslowestsmall（小的）smallersmallestsmart（聪明的）smartersmartestsoft（柔软的）softersofteststrong（强壮的）strongerstrongestsweet（甜的）sweetersweetesttall（高的）-taller-tallestthick（厚的）thickerthickestwarm（温暖的）warmerwarmestweak（弱的）weakerweakestyoung（年轻的）youngeryoungest2.重读闭音节词词尾只有一个辅音字母时，先双写该辅音字母,再加上“er”“est”构成比较级、最高级：big（大的）biggerbiggestfat（胖的）fatterfattesthot（热的）hotterhottestred（红的）redderreddestsad（伤心的）saddersaddestthin（瘦的）thinnerthinnestwet（湿的）wetterwettestmad（疯的）maddermaddest3.以不发音的字母e结尾的形容词,加上“r”“st”构成比较级、最高级：able（能干的）ablerablestbrave（勇敢的）braverbravestclose（接近的）closerclosestfine（好的,完美的）finerfinestlarge（巨大的）largerlargestlate（迟的）laterlatestnice（好的）nicernicestripe（成熟的）riperripestrude（粗鲁的）ruderrudestsafe（安全的）safersafeststrange（奇怪的）strangerstrangestwide（宽广的）widerwidestwise（睿智的,聪明的）wiserwisestwhite（白的）whiterwhitest4.以字母“辅音字母+y”结尾的双音节词,把y改为i,再加上“er”“est”构成比较级、最高级：busy（忙碌的）busierbusiestdirty（脏的）dirtierdirtiestdry（干燥的）drierdriestearly（早的）earlierearliesteasy（容易的）easiereasiestfriendly（友好的）friendlierfriendliestfunny（好玩的）funnierfunniesthappy（开心的）happierhappiesthealthy（健康的）healthierhealthiestheavy（重的）heavierheaviesthungry（饿的）hungrierhungriestlazy（懒惰的）lazierlaziestlucky（幸运的）luckierluckiestnaughty（调皮的）naughtiernaughtiestnoisy（嘈杂的）noisiernoisiestpretty（美丽的）prettierprettiestsilly（傻的）silliersilliestspicy（辣的）spicierspiciestthirsty（渴的）thirstierthirstiestugly（丑的）uglierugliest部分双音节词和多音节词的变化规律5.在单词前面加上“more”或“most”构成比较级或最高级：afraid（害怕的）moreafraidmostafraidbeautiful（美丽的）morebeautifulmostbeautifulcareful（仔细的）morecarefulmostcarefulcheerful（开心的）morecheerfulmostcheerfulcrowded（拥挤的）morecrowdedmostcrowdeddangerous（危险的）moredangerousmostdangerousdelicious（美味的）moredeliciousmostdeliciousdifficult（困难的）moredifficultmostdifficultexciting（令人兴奋的）moreexcitingmostexcitingexpensive（昂贵的）moreexpensivemostexpensivefamous（著名的）morefamousmostfamousfrightened（受惊的）morefrightenedmostfrightenedfrightening（令人害怕的）morefrighteningmostfrighteninghard-working（勤奋的）morehard-workingmosthard-workinghelpful（有帮助的）morehelpfulmosthelpfulhonest（诚实的）morehonestmosthonestimportant（重要的）importantmostimportantinteresting（有趣的）moreinterestingmostinterestingpolite（有礼貌的）morepolitemostpoliteterrible（可怕的）moreterriblemostterribletired（累的）moretiredmosttired6.不规则变化的形容词和副词：bad（坏的）worseworstfar（远的）fartherfarthest(farfurtherfurthest)good（好的）betterbestill（病的）worseworstlittle（少的）lessleastmany（多的）moremostmuch（多的）moremostold（年老的）olderoldest(oldeldereldest)well（好的,身体好的）betterbest专心-专注-专业