Cách sử dụng
The word "who" is used to ask about a person. For example, "Who is your favorite teacher?", "Who are you going to the party with?" or "Who won the soccer game?" It is used when you want to know the name or identity of someone. It is also used as a subject in a sentence, for example, "Who is singing?" In short, "who" is used to ask about a person and is also used as a subject in a sentence.