Ⅰ. 常见的形容词及比较级和最高级的构成（1）规则变化：①单音节和部分双音节的形容词一般在词尾加-er 或 -est Eg: calm---calmer tall---taller smart---smarter②以字母 e 结尾的直接在词尾加-r 或 -stEg: nice---nicer fine---finer large---larger③以“辅音+y 结尾的词，变 y 为 i，再加-er” 或 -estEg:early---earlier happy---happier busy---busier④以重读闭音节的单个辅音字母结尾的词，双写辅音字母，再加-er或-estEg:big---bigger---biggestthin---thinner---thinnest hot---hotter---hottest fat---fatter---fattest⑤多音节或部分双音节的形容词在原级前面加 more 或 the most Eg: popular---more popular ---the most popularimportant---more important—the most important（2）特殊变化：原级比较级最高级good/ wellbetterbestmany/ muchmoremostill/badbadly（坏地）/worseworstlittlelessleastoldolder（年龄）/ elder(辈份)oldest/ eldestfarfarther 距离/ further（深奥的）farthest/furthestⅡ. 形容词比较级的用法：表示两者（人或物）的比较。1．表达“A 大于 B”用A … 比较级+than B①. Tom 比我胖。 Tom is fatter than me.②. 他的头发比我的短。His hair is shorter than mine. He has shorter hair than me. (注意比较对象的一致性)③. 英语比语文重要。English is more important than Chinese.④. 我来的比你晚。I come later than you.（副词的比较级） Tom is _____________ (outgoing) than any other boy in hisclass.The short one is _____________ (expensive) than the longone.这个故事不如那个有趣。This story is _____ _____ _____ thanthat one.2.表达“A 和 B 一样”，用 A … as 原级 as B①他和我一样高。 He is as tall as I/me.②英语比语文重要。English is as important as Chinese.③他的头发和我的头发一样长。His hair is as long as mine.④他学习和你一样努力。He works as hard as you.3 表达“A 不如 B”，用 A …not+as/so+原级+as+B。这辆车不像那辆车一样贵。This car is not as expensive as that one.=This car is cheaper than that one.=That car is more expensive than this one.②今天没有昨天暖...
