本文目录
副词性从句是英语语法中的重要组成部分。它们是指在一个句子中，作为副词的从句。副词性从句可以用来修饰动词、形容词、副词和整个句子。以下是一些常见的副词性从句：
时间从句
时间从句是指用来表达时间关系的从句。它们通常以when、while、before、after、since、until或者as soon as等关联词开头。例如：
- She went to bed after she finished her homework.
- I'll call you when I arrive at the airport.
- He has been studying English since he was in high school.
原因从句
原因从句是指用来表达原因关系的从句。它们通常以because、since或者as等关联词开头。例如：
- I stayed at home because I was feeling sick.
- Since it's raining, we should stay indoors.
- As I was running late, I took a taxi to the station.
条件从句
条件从句是指用来表达条件关系的从句。它们通常以if、unless或者provided that等关联词开头。例如：
- If you study hard, you will pass the exam.
- Unless it rains, we'll go for a picnic.
- Provided that you finish your work on time, you can go to the party.
结果从句
结果从句是指用来表达结果关系的从句。它们通常以so、such、that等关联词开头。例如：
- She was so tired that she fell asleep immediately.
- The movie was such a disappointment that I left halfway through.
- He spoke so quickly that I couldn't understand him.
以上是一些常见的副词性从句，它们在英语中被广泛使用。掌握这些从句的用法能够帮助我们更准确地表达自己的意思，也能让我们更好地理解别人所说的话。
