名词性从句知识点引导词
时间：2026-10-09 22:31:56来源：名词性从句在英语中起着名词的作用，常由引导词引导。以下是常见的引导词及其用法总结：
| 引导词 | 用法说明 | 例句 |
| that | 不作成分，只起连接作用 | I know that he is honest. |
| whether/ if | 表示“是否”，多用于宾语从句 | She asked whether I was coming. |
| who/ whom | 指人，作主语或宾语 | The teacher called who helped. |
| what | 指物或事，作主语或宾语 | I don’t know what he wants. |
| which | 指特定范围内的某物 | She chose which book to read. |
| when/ where | 表时间或地点 | Do you remember when we met? |
| why/ how | 表原因或方式 | He explained why he was late. |
掌握这些引导词有助于准确理解与运用名词性从句。
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