¿Estás listo?
English: Are you ready?
Yes/no questions in Spanish are formed by changing intonation or word order, not by adding a helper verb.
Use yes/no questions for quick confirmation or simple checks.
¿Estás listo?
English: Are you ready?
¿Él trabaja aquí?
English: Does he work here?
¿Ellos viven cerca?
English: Do they live nearby?
¿Ella va a unirse a nosotros?
English: Will she join us?