who + What or which person or people, to ask about, talking about ☊ whole + complete or full; all of ☊ whom + Used in formal writing or speech ☊ whose + Who owns something ☊ who + What or which person or people, to ask about, talking about ☊ whole + complete or full; all of ☊ whom + Used in formal writing or speech ☊ whose + Who owns something ☊