状语

状语修饰动词、形容词、副词或者全句，说明方式、因果、条件、时间、地点、让步、方向、程度、目的等。

程度

• very much
  • I like it very much.

地点

• In the classroom, the boy needs a pen

条件

• Before his mother，Tom is always a boy
  • 在母亲面前，汤姆总是一个还在。

时间

• On Sundays，there is no student is the classroom
  • 在星期天，教室里没有学生。

伴随状态

• He sits there，reading a book
  • 他坐在那里，读书。
  • 分词短语作状语，表示伴随状态。

原因

• Because of the rain，we can't go out
  • 因为下雨，我们不能出去。
• Having to finish his homework，the boy needs a pen
  • 为了完成作业，这个男孩需要一支笔。

目的

• to
  • The boy needs a pen to do his homework
• To make his dream come Tue, Tom becomes very interested in business
  • 为了实现他的梦想，汤姆对商业变得很感兴趣。