比较级和最高级1. 在形容词词尾加上 “er” “est” 构成比较级、最高级：bright(明亮的)—brighter—brightestbroad(广阔的)—broader—broadestcheap(便宜的)—cheaper—cheapestclean(干净的)—cleaner—cleanestclever(聪明的)—cleverer—cleverestcold(寒冷的)—colder—coldestcool(凉的)—cooler—coolestdark(黑暗的)—darker—darkestdear(贵的)—dearer—dearestdeep(深的)—deeper—deepestfast(迅速的)—faster—fastestfew(少的)—fewer—fewestgreat(伟大的)—greater—greatesthard(困难的，硬的)—harder—hardesthigh(高的)—higher—highestkind(善良的)—kinder—kindestlight(轻的)—lighter—lightestlong(长的)—longer—longestloud(响亮的)—louder—loudestlow(低的)—lower—lowestnear(近的)—nearer—nearestnew(新的)—newer—newestpoor(穷的)—poorer—poorestquick(快的)—quicker—quickestquiet(安静的)—quieter—quietestrich(富裕的)—richer—richestshort(短的)—shorter—shortestslow(慢的)—slower—slowestsmall(小的)—smaller—smallestsmart(聪明的)—smarter—smartestsoft(柔软的)—softer—softeststrong(强壮的)—stronger—strongestsweet(甜的)—sweeter—sweetesttall(高的)-taller-tallestthick(厚的)—thicker—thickestwarm(温暖的)—warmer—warmestweak(弱的)—weaker—weakestyoung(年轻的)—younger—youngest2. 双写最后一个字母，再加上 “er” “est” 构成比较级、最高级：big(大的)—bigger—biggestfat(胖的)—fatter—fattesthot(热的)—hotter—hottestred(红的)—redder—reddestsad(伤心的)—sadder—saddestthin(瘦的)—thinner—thinnestwet(湿的)—wetter—wettestmad(疯的)—madder—maddest3. 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)—abler—ablestbrave(勇敢的)—braver—bravestclose(接近的)—closer—closestfine(好的，完美的)—finer—finestlarge(巨大的)—larger—largestlate(迟的)—later—latestnice(好的)—nicer—nicestripe(成熟的)—riper—ripestrude(粗鲁的)—ruder—rudestsafe(安全的)—safer—safeststrange(奇怪的)—stranger—strangestwide(宽广的)—wider—widest wise(睿智的，聪明的)—wiser—wisestwhite(白的)—whiter—whitest4. 以字母 y 结尾的形容词，把 y 改为...
