1.形容词作状语表示伴随的状态.
I got home ,tired and thirsty.
2.副词作状语,可以表示时间,地点,方式等.
He runs slowly.
Yesterday we had a meeting .
3.数词作状语.
The meeting lasted for two hours.
4.介词短语作状语.
I met Tom in the street.
5.不定式作状语,可以是目地状语,原因状语或结果状语.I came here to see you.
6.现在分词作状语.
They came out of the classroom ,talking and laughing.
7.过去分词作状语.