一、副词的基本特征：用来表示行为或状态特征;大多结构为形容词后+ly;它亦有比较级和最高级.
1、副词是表示行为状态特征的词,在句子中属于修饰性词类.
2、大多副词是形容词后+LY构成的.
quickly ; slowly; bravely
3、以Y结尾的形容词把‘y’变‘i’在加‘ly’.
happy--happily angry--angrily
4、有些副词没有特殊的字尾.
now; often; here; quite; never; very
5、有些副词于形容词相同.
late early high long
6、只有可以分成比较等级的副词才可以有比较级和最高级形式,例如：fast,easily,early等.像only,realy,there,here则不可能有比较等级,因为它们是不可分级的.
二、 副词的种类：
1、时间副词：today,yesterday,before,now,then等.
I have never been to that farm before.
What day was it yesterday?
2、地点副词：here,there,inside,outside,downstairs,everywhere等.
It very cold outside .You'd better put on your coat.
3、方式副词：carefully,slowly,suddenly,well,hard,high等.
How hard they are working!
4、程度副词：much,very,enough,a little,a bit ,so ,too,rather ,quite,nearly,half,hardly,almost等.
Her English is very good.
Angela sings quite well.
5、频率副词：usually,sometimes,never,always,often等.
I have never been to Tokoy.
1—5种副词一般是用来修饰动词、形容词或其它副词,说明动词的时间、地点、方式、程度或频率等,又或以把它们统称为修饰性副词.
6、疑问副词(用来引导一个特殊疑问句.)：how ,when ,where ,why.
How are you getting along with your coworkers?
7、连接副词(用来引导一个名词从句)：how,where ,when,why,whether.
We haven't decided when we shall leave.