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时间状语从句
2026-10-12【视窗】
简介时间状语从句是用来表示主句动作发生时间的从句,常见的引导词有:when, while, as, before, after, until, since, once等。 引导...
时间状语从句是用来表示主句动作发生时间的从句,常见的引导词有:when, while, as, before, after, until, since, once等。
| 引导词 | 用法说明 | 例句 |
| when | 表示“当……时候”,强调动作同时发生或先后发生 | When I arrived, he was cooking. |
| while | 表示“当……时”,强调两个动作同时进行 | While she was reading, the phone rang. |
| as | 表示“随着……”或“当……时”,强调动作同时发生 | As the sun rose, the birds began to sing. |
| before | 表示“在……之前” | He left before I arrived. |
| after | 表示“在……之后” | She called me after the meeting. |
| until | 表示“直到……” | I waited until he came back. |
| since | 表示“自从……以来” | I have lived here since 2010. |
| once | 表示“一旦……” | Once you start, you must finish. |
掌握这些时间状语从句有助于更准确地表达时间关系,使语言更自然、清晰。














