besides
　　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.