名词性从句与宾语从句的引导词

名词性从句与宾语从句的引导词名词性从句和宾语从句都是英语语法中的重要部分，它们由引导词
引导，用来充当名词的作用。

本文将详细介绍名词性从句和宾语从句
的引导词及其用法。

一、名词性从句的引导词
名词性从句是指在句子中扮演名词角色的从句。

常见的名词性从句
引导词包括：that, whether/if, what, whoever, whomever, whichever, whose等。

1. 连词that
连词that用来引导主语从句、宾语从句和表语从句，常见用法如下：- 主语从句：That he is coming is good news.
- 宾语从句：She said that she would come.
- 表语从句：The fact that he passed the exam pleased his parents.
2. 连词whether/if
连词whether和if都可以引导主语从句、宾语从句和表语从句，两
者可以互换使用。

常见用法如下：
- 主语从句：Whether he will come or not is uncertain.
- 宾语从句：I don't know whether/if she is happy or not.
- 表语从句：The question is whether/if we should go or stay.
3. 疑问词what
疑问词what用来引导主语从句、宾语从句和表语从句，常见用法如下：
- 主语从句：What he said is important.
- 宾语从句：I don't know what he wants.
- 表语从句：Her job is what she loves.
4. 关系代词whoever/whomever/whichever/whose
关系代词whoever/whomever/whichever/whose分别用来引导主语从句、宾语从句和表语从句，常见用法如下：
- 主语从句：Whoever comes first will get a prize.
- 宾语从句：I will give it to whomever needs it.
- 表语从句：Whose decision it is remains unknown.
二、宾语从句的引导词
宾语从句是指在句子中充当宾语角色的从句。

常见的宾语从句引导词包括：that, whether/if, what, who, whom, which, whose等。

1. 连词that
连词that用来引导宾语从句，常见用法如下：
- She believes that he is innocent.
- He told me that he can't come.
2. 连词whether/if
连词whether和if都可以引导宾语从句，两者可以互换使用。

常见
用法如下：
- She asked whether/if I like coffee.
- We are not sure whether/if it will rain tomorrow.
3. 疑问词what
疑问词what用来引导宾语从句，常见用法如下：
- I don't understand what she means.
- Tell me what you want.
4. 关系代词who/whom/which/whose
关系代词who/whom/which/whose分别用来引导宾语从句，常见用
法如下：
- I don't know who he is talking to.
- Have you decided which book to buy?
在使用名词性从句和宾语从句时，需要注意以下几点：
1. 引导词的选择要根据所属的语法功能来决定。

2. 引导词后面的谓语动词形式要根据主句的要求来决定，如陈述句、疑问句、命令句等。

3. 从句的位置可灵活调整，可以放在主句之前也可以放在主句之后。

4. 在撰写文章时，可以使用名词性从句和宾语从句来丰富句子结构，提升语言表达能力和文采。

总结起来，名词性从句和宾语从句是英语语法中的重要部分，它们
由不同的引导词引导，用来充当名词在句子中的各种角色。

熟练掌握
这些引导词的用法，对于提高语言表达能力和理解复杂句子的意思非
常有帮助。