except

except for

except that

but

but for besides除t know Peter except that hes an Japanese.

Theres nothing but a chair in the room.

But for your help，I wouldnt have finished my homework.

注意：

(1)形容词最高级前要用the，而副词最高级前的the可省。

(2)下面这些词的比较等级可在后面加-er/-est或在前面加more/most构成。

cruel， often， able， clear， clever， correct， dear， free， friendly， happy， handsome， likely， lively， pleasant， right， simple， quiet， solid

， strange， strict， stupid， wrong， etc.

5. 形容词、副词比较等级常用的句型及用法：

类别 用法及意义 句型结构 例句

原级 没有比较 very / so / quite / too， etc. +原级 It was very warm yesterday.

二者比较程度相同 as+原级+as+比较对象 You are as clever as Mike.

一方是另一方的几倍 ...times as+原级+as+比较对象 This bridge is five times as long as that one.

二者比，程度不同 ...not as+原级+as+比较对象 You are not as tall as he.

二者比，前者不如后者 ...not so+原级+as+比较对象 Math isnt so hard as physics.

比 较 级 二者比，一方比另一方更re younger than Tom.

二者比，A比Bs much hotter today than it was yesterday.

A比B甚至还要s still stronger than Jack.

Hes far older than you.

表越来越s getting fatter and fatter.