【从属连词九大类】在英语语法中，从属连词（subordinating conjunctions）是用来连接主句和从句的重要工具。它们能够引导一个从句，使其成为主句的一部分，从而表达时间、原因、条件、目的、让步、方式、比较、结果等关系。掌握从属连词的用法对于理解和运用复杂句式至关重要。
以下是对常见从属连词的分类总结，共分为九类，便于学习和记忆。
一、时间类从属连词
| 从属连词 | 中文意思 | 举例 |
| when | 当……时候 | I was studying when she called. |
| while | 当……时（强调同时发生） | She sang while he danced. |
| as | 当……时（强调动作同时发生） | He ran as he shouted. |
| before | 在……之前 | I left before it rained. |
| after | 在……之后 | We ate after the meeting. |
| since | 自从……以来 | I have lived here since 2010. |
| until | 直到……为止 | Wait until I come back. |
| till | 直到……为止（较正式） | He waited till midnight. |
| once | 一旦…… | Once you try it, you’ll love it. |
二、原因类从属连词
| 从属连词 | 中文意思 | 举例 |
| because | 因为 | I stayed home because it was raining. |
| since | 因为（强调已知原因） | Since you’re tired, rest now. |
| as | 因为（口语中常用） | As it was late, we went home. |
| for | 因为（书面语） | He was absent for illness. |
三、条件类从属连词
| 从属连词 | 中文意思 | 举例 |
| if | 如果 | If you study, you will pass. |
| unless | 除非 | You won’t pass unless you study. |
| provided that | 只要 | Provided that you work hard, you can succeed. |
| as long as | 只要 | You can go out as long as you finish your homework. |
四、目的类从属连词
| 从属连词 | 中文意思 | 举例 |
| so that | 以便 | I studied hard so that I could pass. |
| in order that | 为了 | She left early in order that she wouldn't be late. |
五、让步类从属连词
| 从属连词 | 中文意思 | 举例 |
| although | 虽然 | Although it was cold, we went out. |
| even though | 即使 | Even though he was tired, he continued working. |
| though | 虽然（常用于倒装句） | Though tired, he kept going. |
| despite | 尽管（后接名词或动名词） | Despite the rain, we went hiking. |
| in spite of | 尽管（后接名词） | In spite of the noise, she slept well. |
六、方式类从属连词
| 从属连词 | 中文意思 | 举例 |
| as | 如同……一样 | Do as I tell you. |
| like | 像……一样 | He runs like a cheetah. |
七、比较类从属连词
| 从属连词 | 中文意思 | 举例 |
| than | 比…… | She is taller than her brother. |
| as...as | 和……一样 | He is as tall as his father. |
八、结果类从属连词
| 从属连词 | 中文意思 | 举例 |
| so...that | 那么……以至于 | It was so hot that we had to stay indoors. |
| such...that | 这样……以至于 | It was such a good movie that I watched it twice. |
九、其他常用从属连词
| 从属连词 | 中文意思 | 举例 |
| because of | 因为（后接名词） | Because of the storm, the flight was canceled. |
| due to | 由于（后接名词） | The delay was due to bad weather. |
| owing to | 由于（后接名词） | Owing to the rain, the match was postponed. |
总结
从属连词种类繁多，功能各异，掌握它们有助于构建更复杂的句子结构，提高语言表达的准确性和多样性。在实际使用中，可以根据需要选择合适的从属连词来连接主句与从句，使句子逻辑清晰、层次分明。
建议在日常学习中结合例句进行练习，逐步熟悉各类从属连词的用法和语境。
