疑问代词怎么用？
疑问代词的作用
疑问词的作用主要是用于引出特殊疑问句。其中疑问词在句中可用作主语、宾语、表语或定语等。
英语疑问句的词序通常为“疑问词+一般疑问句”。如：
What did you do with the money that was left? 你对剩下的钱是怎么处理的？
但若疑问词直接用作主语或修饰语语，则其词序为“疑问词+谓语+其他成分”。如：
What made you so frightened? 什么使你这样惊恐？
Who will attend on the patient? 谁来护理病人？
Which car was your original choice? 你原来选的是哪辆车？
指人的疑问代词
指人的疑问代词主要有who, whom, whose。其中who为主格，whom为宾语，whose为所有格。如：
Who is responsible for breaking the mirror? 是谁把镜子打破的？
Whom would you suggest for the job? 你提议由谁来做这工作？
Whose turn is it to treat next? 下次该谁请客？
指物的疑问代词
指物的疑问代词主要有what，它在句中可用作主语、宾语和定语等。如：
What is the total population of china? 中国的人口总数是多少？
What can I do in return for your kindness? 我怎样做才能报答你的好意呢？
What things happened after we left? 我们离开后发生了什么事？
既可指人也可指物的疑问代词
既可用来指人又可用来指物的疑问代词主要有which，它在句中可用作主语、宾语和定语。如：
Which doctor is attending you? 哪个医生在给你治疗？
Which judge is hearing the case? 哪个法官在审这个案子？
Which part of the concert did you like best [most]? 这场音乐会，哪一部分你最喜欢？
Which subjects are compulsory in your school? 在你们学校里，哪些课程是必修的？
Which events is he going in for at the Olympics? 他参加奥运会的什么项目？
