大学英语四级语法精要：句法作用-作状语

大学英语四级语法精要：句法作用-作状语

过去分词短语常用作状语, 修饰谓语, 很多都说明动作发生的背景或情况.

Guided by these principles, they went on with the work,
Delighted with her work, they made her the general manager.

过去分词短语也可作状语表示原因, 相当于一个表示原因的状语从句.
Influenced by his example, they performed countless good deeds.

有时也可说明动作发生的时间, 相当于一个表示时间的状语从句.
This method, tried in areas near Shanghai, resulted in a marked rise in total production.

间或也可表示一个假设的情况, 相当于一个条件从句.
Given closer analysis, we can see this is totally wrong.

偶尔也可用来代替一个“让步”状语从句.
Picked 20 years a year, it grows tired only after 40 or 50 years.