Usage Examples
[Present Indicative] Contesto el teléfono en cuanto suena. → I answer the phone as soon as it rings.
[Present Perfect] He contestado a todas tus preguntas con sinceridad. → I have answered all your questions with sincerity.
[Imperfect Indicative] Ella contestaba las cartas de sus admiradores. → She used to answer her admirers' letters.
[Pluperfect Indicative] Ya había contestado el correo cuando me llamaste. → I had already replied to the email when you called me.
[Preterite] Contesté que no podía ir a la fiesta. → I answered that I couldn't go to the party.
[Preterite Anterior] Apenas hubo contestado la pregunta, se sentó. → As soon as he had answered the question, he sat down.
[Future] Contestaré a tu solicitud la próxima semana. → I will reply to your request next week.
[Future Perfect] Para mañana habré contestado a todos los clientes. → By tomorrow I will have replied to all the customers.
[Conditional] Contestaría si supiera la respuesta correcta. → I would answer if I knew the correct answer.
[Conditional Perfect] Habría contestado si hubiera visto el mensaje. → I would have answered if I had seen the message.