精选优质文档-倾情为你奉上形容词和副词比较级、最高级的用法1原级的构成和用法 l)构成：形容词，副词的原级形式是形容词，副词的原形 2)用法：表示双方在程度，性质，特征等某方面相等时，用“ as 十原级形容词或副词十 as”的结构；表示双方不相等时，用“ not so (as)十原级形容词或副词十 as”的结构；表示一方是另一方的若干倍时，用“倍数十 as十原级形容词或副词十 as”的结构 例如： This building looks not so (as) high as that one MsSun speaks English as fluently as you This room is three times as large as that one. 2比较级和最高级的构成和用法
