初中英语我们由记单词已经发展为学习语法，语法是一个十分难易掌握的知识，很多考生甚至大学上完还不会语法，因此初中阶段应该好好学习语法，下面我向大家讲解语法中比较级的用法，希望能够帮助广大初中学生学习英语。
1.比较级可分形容词(adj)的比较和副词(adv)的比较两种。
He is taller than I.(他比我高)
He works more diligently than I do.他比我更努力地工作。
2.原级，比较级，最高级的变化
A.规则变化
(a)大部分一个音节和部分两个音节的形容词和副词，字尾+er变成比较级，字尾+est变成最高级
clear clearer clearest
small smaller smallest
narrow narrower narrowest
near nearer nearest
late later latest
(b)字尾是短母音+单子音，加er，est时单子音需再重复一次。
Big bigger biggest
Hot hotter hottest
Fat fatter fattest
(c)字尾是y，前面是辅音，把y变i，再加er,est.
dry drier driest
happy happier happiest
early earlier earliest
三个或三个音节以上及
(d)-able,-ful,-ive,-ing,-less,-ous等字尾的形容词及末尾是ly的副词，肯定加more，否定加less变成比较级，肯定加most，否定加least变成最高级。
diligent more diligent most diligent
readable more readable most readable
(less) (least)
beautiful more beautiful most beautiful
(less) (least)
active more active most active
careless more careless most careless
brightly more brightly most brightly
honestly more honestly most honestly
B.不规则变化
good better best
well better best
many(much) more most
late later(较晚的) latest(最晚的) late latter (后者的) last(最后的)
far farther(较远的) farthest far further(更进一步的) furthest
old older oldest(比较年龄大小) old elder eldest(比较长幼次序)
3.比较级用法
(a)肯定(正面)比较：more…than，-er than～
The house is bright. 这间房子很明亮。
The house is brighter than our old one in New York. 这间房子比我们在纽约的老房子明亮。
The house is the most bright of all the houses in which we have lived. 这间房子是我们所住过最明亮的一间。
(b)否定(反面)比较：less…than～
He is strong. 他很强壮。
He is less strong than Joe. 他没有乔强壮。
He is the least strong in his class. 他是班上最不强壮的。
(c)同等比较
用于肯定：as+原级+as
用于否定：not as - as或not so - as
An apple is as big as an orange. 苹果和橘子一样大。
The cold soup isn't as delicious as the hot one. 冷了的汤没有热汤好喝。
I am not so fat as you. 我没有你那样胖。
推荐阅读：正确掌握初中英语学习方法
掌握了比较级我们就能在句子中使用了，中考考察比较级的次数也比较多，因此必须学好这方面的知识，这样考试时才能得心应手，取得好的成绩。
