Section Ⅲ Grammar——比较等级语 境 自 主 领 悟先观察原句后自主感悟1
The book is as interesting as that one
The physics lesson was a lot more interesting than the chemistry lesson
The earth is twice as large as the moon
The earth is fortynine times larger than the moon
The stone bridge is twice the length of the wood one
It's getting brighter and brighter
The closer you are, the more you'll see
例句①为同级比较，其结构为：as ＋形容 词原形＋ as
例句②为比较等级，其结构为：比较级＋than
例句③④⑤为倍数表达法，其结构分别是：(1)倍数＋as＋形容词原形＋as; (2)倍数＋形容词比较级＋than; (3)倍数＋the＋名词＋of
例句⑥⑦是比较级的特殊句式：其中例句⑥的结构是“比较级＋ and ＋比较级 ”；例句⑦的结构是“the ＋比较级 ， the ＋比较 级”
一、比较级的基本用法1．同级比较：
as＋形容词/副词＋as
“和……一样……” ；否定式为：
not as/so＋形容词/副词＋as
“和……不一样； 不如……” Tom runs as fast as Mike
汤姆和迈克跑得一样快
Wealth is not so important as health
财富不如健康重要
[名师点津] 在此句式中，若形容词原级后面
