Usage Examples
[Present Indicative] Creo que tienes razón. → I believe you are right.
[Present Perfect] He creído en ti siempre. → I have always believed in you.
[Imperfect Indicative] Creía que venías hoy. → I believed you were coming today.
[Pluperfect Indicative] Había creído la historia antes de saber la verdad. → I had believed the story before knowing the truth.
[Preterite] No creí lo que vi ayer. → I didn’t believe what I saw yesterday.
[Preterite Anterior] Apenas hubo creído el rumor, se enfadó. → As soon as he had believed the rumor, he got angry.
[Future] Creeré tus palabras si cumples. → I will believe your words if you comply.
[Future Perfect] Para entonces, habré creído en su inocencia. → By then, I will have believed in his innocence.
[Conditional] Creería en fantasmas si viera uno. → I would believe in ghosts if I saw one.
[Conditional Perfect] Habría creído el mensaje si lo hubiera leído. → I would have believed the message if I had read it.