【表语从句例子】表语从句是英语中一种常见的语法结构，用于在系动词（如 be, seem, appear, become 等）之后说明主语的性质、状态或身份。表语从句通常由 that、whether、if、what、how、when、where、why、who 等引导，起到补充说明主语的作用。
为了帮助学习者更好地理解和掌握表语从句的用法，以下是一些典型的表语从句例子，并对其结构和含义进行了简要总结。
表语从句总结
| 例句 | 引导词 | 主语 | 系动词 | 表语从句 | 含义 |
| The problem is that he didn't come. | that | he | is | didn't come | 问题是他没来 |
| It seems that she is tired. | that | she | seems | is tired | 看起来她很累 |
| The question is whether we should go. | whether | we | is | should go | 问题是我们要不要去 |
| He became what he wanted to be. | what | he | became | wanted to be | 他成了他想成为的人 |
| The truth is that I was wrong. | that | I | is | was wrong | 事实是我错了 |
| She looks as if she had seen a ghost. | as if | she | looks | had seen a ghost | 她看起来好像看到了鬼 |
| My opinion is that you should try again. | that | you | is | should try again | 我的意见是你应该再试一次 |
表语从句的特点
1. 引导词多样：常见的引导词包括 that、whether、if、what、how、when、where、why、who 等。
2. 位置固定：表语从句总是位于系动词之后，用来描述主语的状态或性质。
3. 不能省略 that：在正式语境中，that 一般不能省略；但在口语中有时可以省略。
4. 逻辑关系清晰：表语从句与主句之间有明确的逻辑联系，表达的是主语“是什么”或“怎么样”。
小结
表语从句是英语中表达主语状态或性质的重要方式，掌握其结构和用法有助于提高语言表达的准确性和丰富性。通过以上例子可以看出，表语从句不仅形式多样，而且在实际交流中应用广泛。建议多做练习，结合具体语境理解其用法。
