Usage Examples
[Present Indicative] Pienso en ti cada día. → I think about you every day.
[Present Perfect] He pensado mucho en tu propuesta. → I have thought a lot about your proposal.
[Imperfect Indicative] Pensaba que no vendrías. → I used to think (thought) you weren't coming.
[Pluperfect Indicative] Había pensado en ir al cine antes del cambio de planes. → I had thought about going to the movies before the change of plans.
[Preterite] Pensé en una solución anoche. → I thought of a solution last night.
[Preterite Anterior] Apenas hubo pensado la respuesta, la escribió. → As soon as he had thought of the answer, he wrote it.
[Future] Pensaré en lo que me dijiste. → I will think about what you told me.
[Future Perfect] Para mañana habré pensado una excusa. → By tomorrow I will have thought of an excuse.
[Conditional] Pensaría mejor si hubiera silencio. → I would think better if there were silence.
[Conditional Perfect] Habría pensado que eras su hermano. → I would have thought you were his brother.