疑问代词在引起从句时，都称为连接代词，包括who、whom、whose、what、which、whoever、whomever、whichever、whatever，一共九个，即除了whose后不能加“-ever”后缀，其余都行。
主语从句
It hasn’t been announced who won the prizes.还没宣布谁获奖。
It is clear enough what she meant. 她是什么意思很清楚。
宾语从句
I don’t care what they think. 他们怎么想我不管。
Ask her which she wants. 问她要哪一个。
表语从句
The question is who(m) we should trust.问题是我们应当相信谁。
What I want to know is which road we should take.我想知道的是我们应走哪条路。
状语从句
Wherever you go, whatever you do, I will be right here waiting for you.无论你去哪里，无论你做了什么，我都会在这里等你。
以上就是初中英语学习:连接代词有哪些的全部内容，大家赶快学起来吧！