定义：副词（Adverb-adv．） 用以修饰动词、形容词或其他副词的词叫做副词.例如： not（不）,here（这里）,now（现在）
然后,我们再来看一下它的用法.
副词的用法
（1）作状语
He works hard.（副词修饰动词）
他努力工作.
You are quite right.（修饰形容词）
你相当正确.
He parked the car very easily.（修饰副词）
他很容易地把汽车停放好了.
Unfortunately he was out.（修饰整个句子）
很不巧,他出去了.
（2）作定语
有时少数地点副词和时间副词可以作定语,放在所修饰词的后边.
注意：副词作定语时和介词短语作定语一样,一律后置.
（3）作表语
作表语的副词多数是表示位置的,如in, out,on,back, down,up,off,away,upstairs.
He is in. 他在家.
What's on this evening? 今晚演什么节目?
I must be off now. 我现在必须走了.
（4）作宾语补足语
Let them in.
让他们进来.
We saw her off two days ago.
两天前我们为她送行.
下面,我们再来看一下副词在句子中的位置.
副词的位置
（1）地点副词、时间副词和方式副词一般放在句末
注意：地点副词作定语时要后置,不属于这种情况.
I'll wait for you here.（地点副词）
我将在这儿等你.
I'll meet him at the station tomorrow.（时间副词）
明天我将去车站接他.
Tomorrow I'll meet him at the station.
注意：有时为了强调时间,也可把时间副词放在句首.
The boy wrote the homework quickly.
（方式副词）
这个男孩子写作业很快.
They did their experiments carefully in the lab yesterday.方式 地点时间
昨天他们在实验室认真地做实验.
The students all worked well here last week
这些学生上周在这里都做得很好.
（2）频度副词在句中位置有以下两种
a.在be动词、情态动词及第一个助动词之后.
She is always kind to us（be动词）
她对我们总是很好.
I can never forget the day.（情态动词）
我永远也不能忘掉这一天.
The work has never been done.
助动词 助动词
（频度副词never放在第一个助动词has的后面）
这件工作永远也做不完.
b.在实义动词之前
He often goes to school early.(实义动词）
他常常早到校.
（3）程度副词有下列二种情况
a.修饰动词时,它在句中的位置与频度副词的情况相似.
He is almost forty years old.（在be动词之后）
他快四十岁了.
注意：如果句末同时有几个副词,它的基本顺序是：方式副词+地点副词+时间副词.
He can hardly understand you.
（在情态动词之后）
他几乎听不懂你的活.
I like the boy.（在实义动词之前）
我相当喜欢这个男孩子.
b.修饰形容词、副词时,放在它所修饰的词的前面.
He studies much harder now.
现在他学习努力多了.
The room is big enough to hold fifty persons.
（enough修饰形容词）
这个房间够大的可以容纳50人.
He runs fast enough.（enough修饰副词）
他跑得够快的.
例外：只有enough例外,置于所修饰的形容词和副词后边.
副词的排列顺序
1） 时间,地点副词,小单位的在前,大单位在后.
2） 方式副词,短的在前,长的在后,并用and或but等连词连接.
Please write slowly and carefully.
3） 多个不同副词排列：程度+地点+方式+时间副词.
注意：副词very 可以修饰形容词,但不能修饰动词.
改错：(错) I very like English.
(对) I like English very much.
注意：副词enough要放在形容词的后面,形容词enough放在名词前后都可.
I don't know him well enough.
There is enough food for everyone to eat.
There is food enough for everyone to eat.
副词的比较级和最高级
副词比较级和最高级的变化形式与形容词基本上一样
一般 副词
hard→harder →hardest
fast→faster →fastest
late→later →latest
early→earlier →earliest
特殊 副词
well →better →best
much →more →most
badly →worse →worst
little →less →least 但是,开放类副词即以后缀?ly结尾的副词不能像形容词那样加?er或?est,如
quickly →more quickly →most quickly quietly →more quietly →most quietly
〔注〕： early中的?ly不是后缀,故可以把?y变?i再加?er和?est
兼有两种形式的副词
1) close与closely
close意思是"近"； closely 意思是"仔细地"
He is sitting close to me.
Watch him closely.
2) late 与lately
late意思是"晚"； lately 意思是"最近"
You have come too late.
What have you been doing lately?
3) deep与deeply
deep意思是"深",表示空间深度；deeply时常表示感情上的深度,"深深地"
He pushed the stick deep into the mud.
Even father was deeply moved by the film.
4) high与highly
high表示空间高度；highly表示程度,相当于much
The plane was flying high.
I think highly of your opinion.
5) wide与widely
wide表示空间宽度；widely意思是"广泛地","在许多地方"
He opened the door wide.
English is widely used in the world.
6) free与freely
free的意思是"免费"；freely 的意思是"无限制地"
You can eat free in my restaurant whenever you like.
You may speak freely; say what you like.