The future indicative tense is used to describe actions that will happen in the future. It is formed with regular verbs through taking the infinitive form of -er, -ir, and -re verbs and adding the appropriate verb endings.
The endings to form the future are :
-ai, -as, -a, -ons, -ez, -ont
1st person sing., 2nd person sing., 3rd person sing., 1st person plur., 2nd person plur., 3rd person sing.
For -er, and -ir infinitives, simply add the appropriate ending.
JOUER - je jouerai, tu joueras, il/elle jouera, nous jouerons, vous jouerez, ils/elles joueront
FINIR - je finirai, tu finiras, il/elle finira, nous finirons, vous finirez, ils/elles finiront
For -re verbs, take the infinitive, remove the last e, and then add the approriate ending.
PRENDRE - je prendrai, tu prendras, il/elle prendra, nous prendrons, vous prendrez, ils/elles prendront