一、副词的分类
副词按词汇意义可分为：
方式副词：well，fast，slowly，carefully，quickly
程度副词：very，much，enough，almost，rather，quite
地点副词：here，there，out，somewhere，abroad，home，
时间副词：today，early，soon，now，then，recently，still
频度副词：always，often，usually，sometimes，seldom，never
否定副词：no，not，neither，nor，
疑问副词：where，how，why
其他：also，too，only
二，
注意下列副词的不同含义(一些副词与形容词同型，表示具体的含义)
high高地 highly高度地 wide宽的 widely广泛的
deep深地 deeply深深地 close近地 closly仔细地，严密地
1，He opened the door .(wide, widely)
2, English is in the world. (wide, widely)
3, He is sitting to me.(close, closely)
4, Watch him (close, closely)
5, The plane was flying .(high, highly)
6, I think of your opinion. (high, highly)
7, He pushed the stick into the mud.(deep, deeply)
7, Even father was moved by that film. (deep, deeply)
两种形式的副词含义迥异。
late迟，晚 lately最近 hard努力的，艰苦地 hardly几乎不
just刚刚，仅仅，恰好 justly公正地，正当地
most很，最 mostly主要地 almost几乎，差不多
三，其它副词比较：
1, already与yet的区别already用于肯定句句中，表示“已经”;
yet用于否定句句末，表示“还”，用于疑问句句末，表示“已经”
例如，He had already left when I called.当我给他打电话时，他已经离开了。
Have you found your ruler yet？你已经找到你的尺子了吗？
I haven’t finished my homework yet.我还没有完成作业。
注意：already还可以表示惊奇，惊讶等语气，常用于疑问句句末
例如：Has your son gone to school already？你的儿子已经上学了吗？(表示很惊讶)
2, very，much和very much.的区别
very用于修饰形容词或副词的原级；much用于修饰形容词或副词的比较级；修饰动词要用very much.
例如，John is very honest.约翰非常诚实。
This garden is much bigger than that one.这个花园比那个大的多。
Thank you very much.非常感谢你
3.so与such的区别
⑴so修饰形容词或副词;such修饰名词，
例如，My brother runs so fast that I can’t follow him.我弟弟跑得那么快以至于我跟不上他。
He is such a boy.他是一个这样的孩子。
⑵so修饰的形容词后可以有一个单数的可数名词，其结构是“so+形容词+a/an+可数名词单数”.
such可以修饰可数名词单复数和不可数名词，名词前可以有形容词作定语，其结构是“such+a/an+形容词+可数名词单数”，“such+形容词+可数名词复数/不可数名词”，
例如，He is so clever a boy.=He is such a clever boy.他是一个如此聪明的孩子。
It is such cold weather.这么冷的天气。(正)
It is so cold weather.(误)
They are such good students.他们是那么好的学生。(正)
They are so good students. (误)
⑶如果可数名词复数前有many，few或不可数名词前有much，little修饰，用so不用such.
例如，so many(如此多的)；so few(如此少的)可以加可数名词复数
so much(如此多的)；so little(如此少的)可以加不可数名词
4.also，too，as well与either的区别
also，as well，too，用于肯定句，also常用于be动词，情态动词，助动词之后，行为动词之前；as well，too用于句末；either用于否定句中，置于句末。
例如，My father is a teacher. My mother is also a teacher.
=My father is a teacher. My mother is a teacher as well.
=My father is a teacher. My mother is a teacher，too.我爸爸是一名老师，我妈妈也是。
I can’t speak French.. Jenny can’t speak French，either.我不会说法语，詹妮也不会。
5.sometime，sometimes，some time与some times的区别
sometime：某一时间，某一时刻，可指将来时，也可指过去时
sometimes：有时，不时的
some time：一段时间
some times：几次，几倍
.例如，We’ll have a test sometime next month.下个月的某一时间，我们要进行一次测试。
Sometimes we are busy and sometimes we are not.有时我们很忙，有时不忙。
He stayed in Beijing for some time last year.他去年在北京呆了一段时间。
I have been to Beijing some times.我去过北京好几次。
6.ago与before的区别
ago表示以现在为起点的“以前”，常与一般过去时连用，不可以单独使用。
before指过去或将来的某时刻“以前”，也可泛指以前，常和完成时连用，可以单独使用.
例如，I saw him ten minutes ago.我十分钟之前看到的他。
He told me that he had seen the film before.他告诉我他以前看过这场电影。
7.now，just与just now的区别
now：与一般现在时、现在进行时、现在完成时连用，意为“现在”
just：与现在完成时、过去完成时连用，表示“刚……”
just now：和过去时连用，表示“刚才”
例如，Where does he live now？他现在住哪里？
We have just seen the film.我们刚看过这场电影。
He was here just now.他刚才在这里。
8,只能修饰原级的词，very，quite，so，too
四， 副词的比较级
1, 规则变法同形容词：hard-harder-hardest, fast-faster-fastest,
early-earlier-earliest
2, 加more和most: slowly- more slowly, most slowly
quickly, carefully如此
3，不规则：well-better-best badly-worse-worst
much-more-most far-farther-further
little-less-least
副词比较等级基本用法：
1，原级用法：as+副词原级+as eg: I can run as quickly as he can.
2, 比较级用法：副词比较级+than eg:I can run more quickly than he.
3, 最高级用法: (the)+最高级+in/of短语 eg: Who runs fastest of the three
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