疑問代詞包括：who/whom, which, what, whose，用于引導(dǎo)特殊疑問句。Who/whom指人，who在句中做主語,whom做賓語，在口語中who可以代替whom。What，which，whose可以單獨(dú)使用，也可以修飾名詞。修飾名詞時(shí)，三者意義有所不同，例如：whose books(誰的書)，which books(哪幾本書)，what books(什么書)。
【例句】
Who is that fellow standing there, doing nothing?
Whose money is it, his or hers?
What do you want to drink, black coffee or coffee with milk?
Which is the best idea among all these choices?
【例句】
Who is that fellow standing there, doing nothing?
Whose money is it, his or hers?
What do you want to drink, black coffee or coffee with milk?
Which is the best idea among all these choices?