疑问代词有who、whom、whose、what、which等。
在句子中用来构成特殊疑问句。疑问代词都可用作连接代词,因此还可以引导主语从句、表语从句和宾语从句。例如:
With whom are you talking?
你正在和谁谈话?
I do not know whose car is parked here.
我不知道谁的汽车停放在这儿。
What she said encouraged us.
她的话鼓励了我。
The problem is who can help us out of trouble.
问题是谁能帮助我们走出困境。