acaso

1. perhaps, maybe + subjuntivo

possibility

• Acaso llueva esta tarde.Perhaps it will rain this afternoon.
• Acaso él tenga razón.Perhaps he is right.
• Acaso llegue mañana.Maybe he will arrive tomorrow.

2. surely, perhaps

doubt or surprise in questions

• ¿Acaso no me oyes?Surely you can hear me?
• ¿Acaso crees que es fácil?Do you perhaps think it is easy?
• ¿Acaso quieres irte?Do you perhaps want to leave?