初中英语形容词和副词讲解与专项练习题
一形容词
（一）定义用来描写或修饰名词或代词，说明人或事物的特征或性质。

（二）用法
1.做定语。

e.g. This is an old house.
2.做表语。

e.g.I am sorry to hear that.
3.做宾语不足语。

e.g.She made her mother angry.
4.形容词在句中的位置。

形容词做定语修饰名词时，放在名词前面。

修饰不定代词时要放在不定代词
之后。

e.g.
She is a clever girl.
I saw something white in the water.
形容词修饰带有表量度的词或者词组时定语后
置。

The bridge is one hundred meters long .
5.某些形容词前加上定冠词the,可以代表一类人或东西，可以用作主语，宾语等。

做主语时当复数看待。

e.g.The old are well looked after.
二副词
（一）定义用来修饰动词，形容词，其他副词以及全句。

（二）用法 1.作状语。

e.g.
They work hard.
三形容词和副词的比较等级
（一）形容词和副词的比较级和最高级变化
1.规则变化单音节词和部分双音节词
1）一般在词尾加er,est. hard---harder---hardest great---greater---greatest
(2)以字母e结尾的加r,st. nice---nicer----nicest able---abler----ablest
(3)重读闭音节中末尾只有一个辅音字母时，双写辅音字母，再加er,est. big---bigger---biggest fat---fatter---fatter red---redder---reddest
多音节词和部分双音节词,在其前加more, most.
interesting-more interesting-most interesting
carefully--more carefully--most carefully
quickly--more quickly--most quickly happily--more happily--most happily
有些形容词和副词的比较等级用-er,-est或者more, most皆可，如clever, lovely 等。

表示“较不---”和“最不----”时，可用less和least. difficult---less difficult---least difficult interesting---less interesting---least interesting
2.不规则变化形
good better best well better best
bad/ill worse worst
many/much more most
little less least far farther/further farthest/furthest far farther/further farthest/furthest
old older/elder oldest/eldest
(二)形容词和副词级的用法原级:
(1)原级的基本用法
句型:主语+谓语动词+as+原级+as+比较对象 The coat is as old as that one .
(2)原级的特殊用法
1)表示"是....的几倍". 句型: .....times +as +原
级 + as ..... This house is three times as largeas that one .
2)表示"...的一半...". 句型: .....half as +原
级 + as ... My money is not half as much as yours.
3)表示"尽可能......". 句型: .....as + 原级 + as possible/one can.
We should get up as early as possible/we can.。