特殊疑问词分为两种：
一、特殊疑问代词,如what,which,whose,who,whom.疑问代词在句中可作主语、宾语和定语、表语.如：
What's your name?(主语)
Which man do you like?（定语）
Whose book is this?（定语）
Whose is this book?（表语）
Who are they?（表语）
Whom are you looking for?（宾语）
二、特殊疑问副词,如when,where,why,how,how many,how much,how old,how often,等等.when在句中作时间状语,where作地点状语,why作原因状语,how作方式状语,等等.如：
When did you come?
Where are you going?