【时间状语从句例句有哪些】时间状语从句是英语中用来表示主句动作发生时间的从句，常见的引导词包括 when, while, as, before, after, until, since, once, as soon as 等。掌握这些从句有助于更准确地表达事件发生的先后顺序和时间关系。
以下是对常见时间状语从句的总结，并附上典型例句，帮助学习者更好地理解和运用。
一、时间状语从句常用引导词及用法总结
| 引导词 | 用法说明 | 例句 |
| when | 表示“当……时候”，主从句动作同时或先后发生 | When I arrived home, it was already dark. |
| while | 表示“当……的时候”，强调两个动作同时进行 | While she was cooking, her phone rang. |
| as | 表示“当……时”，强调动作同时发生，常用于口语 | As he walked in, everyone turned to look at him. |
| before | 表示“在……之前” | I had left before he arrived. |
| after | 表示“在……之后” | After the meeting ended, we went for lunch. |
| until | 表示“直到……为止” | She waited until the rain stopped. |
| since | 表示“自从……以来” | I have lived here since 2015. |
| once | 表示“一旦……就……” | Once you finish your work, you can go home. |
| as soon as | 表示“一……就……” | As soon as I saw her, I knew something was wrong. |
二、典型时间状语从句例句汇总
| 引导词 | 例句 |
| when | When the sun set, we started our journey. |
| while | While I was studying, my brother was watching TV. |
| as | As I was walking in the park, I met an old friend. |
| before | He left before I could say goodbye. |
| after | After the movie, we went to a restaurant. |
| until | I stayed up until midnight. |
| since | I haven’t seen him since last year. |
| once | Once you try it, you’ll love it. |
| as soon as | As soon as the alarm rang, I got up. |
三、小结
时间状语从句在英语写作和口语中非常常见，正确使用能增强句子的逻辑性和表达的准确性。通过掌握常见的引导词及其用法，并结合实际例句进行练习，可以有效提升语言运用能力。建议多读多写，逐步提高对时间状语从句的理解与应用水平。
