1)比较级和最高级的构成
构成 原级 比较级 最高级
一般在词尾加-er, -est great, hard greater, harder greatest, hardest
以字母e结尾只加-r,-st nice, wide nicer, wider nicest, widest
以一个辅音字母结尾的重读闭音节，双写这一辅音字母后再加-er, -est big, hot bigger,
hotter biggest, hottest
以辅音字母+y结尾的词，将y变为i再加-er, -est happy, early happier, earlier
happiest, earliest
在双音节和多音节词前加more或most difficult,
difficultly more difficult,
more difficultly most difficult,
most difficultly
2)形容词的不规则变化如下：
原级 比较级 最高级
good, well better best
bad, ill, badly worse worst
little less least
much, many more most
far farther/further farthest/furthest
old older/elder oldest/eldest
以上是查字典小考网为大家分享的小升初英语副词必考知识点，希望对大家有所帮助！