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。
         
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.

6 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.
7某些副词在用法上的区别
　　(1) already, yet, still
　　already表示某事物已经发生，主要用于肯定句;yet表示期待某事发生，主要用于否定句和疑问句;still表示某事还在进行，主要用于肯定句和疑问句，有时也可用于否定句。如：
　　We've already watched that film.
　　I haven't finished my homework yet.
　　He still works until late every night.
(2) too, as well, also, either
　　too, as well和 also用于肯定句和疑问句，too和as well多用于口语，一般放在句末，而also多用于书面语，一般放在句中与动词连用。either用于否定句和否定的疑问句，往往放在句末。如：He went there too.
　　He didn't go there either.
　　I like you as well.
　　I also went there.

8 形容词与副词的比较级
 
⑴ 规则变化
 
变化规则 example
1.一般在词尾直接加-er或-est Tall-taller-tallest, long-longer-longest
2.以不发音的字母e 结尾的单词在词尾直接加-r 或- st Nice-nicer-nicest,  large-larger-largest
3.以辅音字母+ 结尾的词，把 y变为i ，再加er 或 est Heavy-heavier-heaviest
Happy-happier-happiest
4.重读闭音节，末尾只有一个辅音字母，双写这个辅音字母，再加er 或 est Big-bigger-biggest
Fat-fatter-fattest
5.部分双音节词和多音节词分别在原级前加more 构成比较级和most  构成最高级 Slowly-more slowly-most slowly
Beautiful-more beautiful-most beautiful
 
⑵ 不规则变化
  
原级 比较级 最高级