Who
Definition 1 of 3
Pro Tip 1/3
Question Form
Use 'who' at the start of a question when you want to know about a person involved. Who finished the milk?
Pro Tip 2/3
Ownership Inquiry
Utilize 'who' for finding out who owns something or whom something is assigned to. Who does this book belong to?
Pro Tip 3/3
Informal Tone
When used in casual contexts, 'who' can express indifference or surprise. Who cares about the test?