1. We use what and which to ask about things.
2. We use who to ask about people.
3. We use whose to ask about possession.
4. We use when to ask about time.
5. We use where to ask about place.
6. We use why to ask for a reason.
7. We use how to ask about manner or metod.
8. We use how often to ask about frecuency.
9. We use how many to ask about quantity.
10. We use how much to ask about number.
Esto, a diferencia de otras entradas, no es un ejercicio. Es una sencilla guia para saber en que caso usar las Question words.
Saludos, AGR.