1.作主語
Who is your English teacher? 你們的英語老師是誰?
Whose is more expensive? 誰的貴一些?
Tell me which is better.告訴我哪個好一些。
What has happened? 出了什么事?
2.作表語
Do you know what her name is? 你知道她叫什么名字嗎?
Whose is this umbrella? 這傘是誰的?
3.作賓語
Whom did she marry? 她嫁給了誰?
Which do you prefer,tea or coffee? 茶和咖啡,你喜歡哪樣?
What have you been doing? 你一直在干什么?
4.作定語
Whose umbrella is this? 這是誰的傘?
What question did he ask? 他問了什么問題?
Which writer do you like? 你喜歡哪位作家?