什么是状语（状语的作用）

状语是一种修饰成分，用于修饰动词，形容词，其他状语或整个句子。下面详述状语在句子中的主要作用。

1) 修饰动词
状语在句子中很多时候用于修饰动词(包括谓语动词和非谓语动词)。用于表示动词发生的时间、地点、程度、方式、原因、结果、目的、条件、让步、比较、伴随等。

You can put it down anywhere. 你可以随便放哪里都行。 (表地点)
The company will go bankrupt unless business improves.. 如果生意再无起色，公司非倒闭不可。(表条件)
The meeting has been called off last night after the deadly explosion. 昨晚发生致命爆炸袭击之后，会议已经被取消。(表时间)
Seeing nobody in the office, she had to leave a note. 看到没有人在办公室，她只好留下张便条。 (表原因)

2) 修饰形容词或副词（状语）
这类状语用于表示所修饰的形容词或副词的程度，起到增强、减弱或强调的作用。
Most of them are completely innocent. 他们中大多数人是完全无辜的。
This is a highly effective way to refine sugar. 这是一个制糖的高效方法。

They will arrive here pretty soon. 他们很快就会到达这儿。
Eggs are extremely well adapted to men's needs. 蛋极易适合人的需要。

3) 修饰整个句子的状语。
这一类状语通常位于句首，用逗号隔开，用于表示说话人对句子内容的看法、态度、评价等。
Frankly, I think his lesson is very boring. 坦白讲，我觉得他的课很枯燥。
Most likely, they’ll have to pay a high price for it. 他们很可能要为此付出很高的代价。

4) 起连接作用的状语
There has been a big increase in foreign trade last year. In addition, foreign funds are more effectively utilized. 去年外贸有大的增长。此外，外汇更有效地利用。
He missed the train and therefore missed the accident. 他没赶上那班火车，也因此逃过了车祸。
The role of the father in the traditional family was to provide for his family. Similarly, the father in the modern family is expected to do so. 传统家庭中父亲的角色是供养家庭。同样，现代家庭里的父亲也被期望这么做。