The future tense is formed by adding an ending to the infinitive form of the verb (the unconjugated form.) All verbs -AR, -ER, -IR use the same endings:
PASAR + ending
Yo | pasaré | Nosotros | pasaremos |
Tú | pasarás | Vosotros | pasaréis |
Él, Ella, Usted | pasará | Ellos,Ellas,Ustedes | pasarán |
Yo pasaré tiempo con mis amigos. = I will pass/spend time with my friends.
Be careful with accent marks! They are very important when communicating the future.
There are several verbs that use a different form for the stem, but they all use the same endings.
caber → cabr-
decir → dir-
haber → habr-
hacer → har-
poder → podr-
poner → pondr-
querer → querr-
saber → sabr-
salir → saldr-
tener → tendr-
valer → valdr-
venir → vendr-
I will leave at 6. Yo saldré a las 6.