Usage Examples
[Present Indicative] Sirvo la cena a las ocho. → I serve dinner at eight.
[Present Perfect] He servido en este restaurante por años. → I have served in this restaurant for years.
[Imperfect Indicative] Esta llave no servía para esa puerta. → This key didn't work (wasn't useful) for that door.
[Pluperfect Indicative] Había servido la comida antes de que llegaran los invitados. → I had served the food before the guests arrived.
[Preterite] Sirvió de mucho tu ayuda. → Your help was (served) very useful.
[Preterite Anterior] Apenas hubo servido el vino, brindaron. → As soon as he had served the wine, they toasted.
[Future] Serviré como voluntario el próximo verano. → I will serve as a volunteer next summer.
[Future Perfect] Para mañana habré servido todos los pedidos. → By tomorrow I will have served all the orders.
[Conditional] Serviría de ejemplo si lo hicieras bien. → It would serve as an example if you did it well.
[Conditional Perfect] Habría servido para nada tanto esfuerzo. → All that effort would have served for nothing.