What is your name? (como te llamas)
What are you doing? (que estas haciendo?)
What did? you say? Que dijiste?
What have you done?! Que has hecho?!
What time is it? Que hora es?
What do you like to do? Que te gusta hacer
What is you favorite color? Cual es tu color preferido?
What do you want? Que quieres?
What does ??? mean? Que significa ???
What are you talking about? De que estas hablando?