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1、形容词、副词比较级和最高级有规则变化和不规则变化规则变化(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+ est如：clevercleverercleverestfewfewerfewestsmall smallersmallest 等(2)以e结尾的词，比较级+ r,最高级+ st即可如：nice nicernicestcute cutercutestlarge -larger-largest(3)以辅音字母+y结尾的变y为i + er或est如：easy-easier-easiesthappyhappier-happiest再如：early, busy, he
2、avy, dirty, lazy .也如此(4)双写最后一个辅音字母+er或est的词同学要用心去记。1. fatfatterfattest2. thinthinnerthinnest3. hothotterhottest4. red redderreddest5. wetwetterwettest6. big bigger-biggest(5)多音节和部分双音节的词需要在形容词原级前+ more构成比较级, +the most构成最高级。如：beautiful -morebeautiful-the most beautiful.delicious , popular, important,i
3、nteresting, expensive双音节的词如careful -more careful-the most carefuluseful -more useful-the most useful.少数单音节词也是这样如：pleased more pleasedthe most pleasedtired more triedthe most tired不规则变化：goodbetter bestwellbadworse worst manymore mostmuchfarther farthest （距离远）farfurther furthest （程度深）elder （长幼）eldestoldolder （年龄、岁数）oldest