##### 副词短语 `AdvP`
- 副词短语
- 副词短语是以[[副词]]为核心词的短语, 通常由副词和修饰它的其他成分构成, 副词短语可以整体视作副词
- 基本结构
- [[副词]]
- **Fortunately**, he was on time.
- [[副词性从句]]
- He left **because he was tired**.
- [[副词]] + [[副词]]
- She runs **very quickly**.
- [[名词短语]] + [[副词]]
- He left the company **three years ago**.