名词性从句的连接词

简单介绍下名词性从句的连接词

名词性从句是指在复合句中作为名词的从句，可以充当主语、宾语、表语或同位语。以下是常见的名词性从句连接词：

1. that：常用于引导主语从句、宾语从句和表语从句。

例如：That he is successful in his career is a result of hard work. (主语从句)

I believe that he will come to the party. (宾语从句)

The fact that she failed the exam surprised me. (表语从句)

2. whether：常用于引导主语从句和宾语从句。

例如：Whether he can finish the project on time is still uncertain. (主语从句)

I am not sure whether I should go to the meeting or not. (宾语从句)

3. if：常用于引导主语从句和表语从句。

例如：If you have any questions, please let me know. (主语从句)

My biggest concern is if I will be able to pass the test. (表语从句)

4. who/whom/whose：常用于引导主语从句和宾语从句。

例如：Whoever wins the race will get a prize. (主语从句)

I don't know whom they invited to the party. (宾语从句)

5. what：常用于引导宾语从句和同位语从句。

例如：I don't understand what you mean. (宾语从句)

His ambition, what he wants to achieve in life, is impressive. (同位语从句)

需要注意的是，连接词在名词性从句中一般是不可省略的。