Question Word

• What  : Asking information about something, repetition or conformation
• What ... for  :  Asking for a reason, asking why
• When  :  Asking about time
• Where  :  Asking in or at what place or position
• Which  :  Asking about choice
• Who  :  Asking what or which person or people (subject)
• Whom  :  Asking what or which person or people (object)
• Whose  :  Asking about ownership

• Why  :  Asking for the reason, asking what ... for
• Why don't  :  Making suggestion
• How  :  Asking about manner, condition
• How + Adj/Adv  :  Asking about extent or degree
• How far  :  Distance
• How long  :  Length (time or space)
• How many  :  Quantity (countable)
• How much  :  Quantity (uncountable)
• How old  :  Age
• How come (imformal)  :  Asking for a reson, asking why