形容词和副词三个等级：1、原级，即原形2、比较级，表示“更……”3、最高级，表示“最……”什么时候用
规则变化不规则变化比较级词和最高级词的构成：1、规则变化原级比较级最高级long—longer—longestbig—bigger—biggesthigh—higher—highestdeep—deeper—deepest一般在词尾加-er:-est:1、规则变化原级比较级最高级fine—finer—finestlate—later—latestcute—cuter—cutest以e结尾的，加–r或-st:1、规则变化原级比较级最高级big—bigger—biggestthin—thinner—thinnestfat—fatter—fattest双写最后字母，再加–er或-est:1、规则变化原级比较级最高级easy—easier—easiestfunny—funnier—funniestearly—earlier—earliestheavy—heavier—heaviest以“辅音字母+y”结尾的双音节词，改“y”为“i”，再加–er或-est:疑问：shyshyest
（单音节词）1、规则变化原级比较级最高级beautiful—morebeautiful—mostbeautifulinteresting—moreinteresting—mostinterestingpopular—morepopular—mostpopularserious—moreserious—mostserious多音节词前加more或most:2、不规则变化原级比较级最高级good/wellbetterbestbad/badlyworseworstmany/muchmoremostlittlelessleastfarfartherfurtherfarthestfurthestLet’spract
