Is there any tips to remember how to conjugate verbs in the future tense?

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I have a tip that works for most of the verbs, but there are still exceptions.
My tip is : for all the 'normal' verbs, the future is formed with two things. First, the infinitive form of the verb, and then the specific ending of the tense.
For example, we'll conjugate the verb 'manger' (to eat, first group) and 'finir' (to finish, second group).
You have to remember all of the endings of the future tense, they are only six and they apply to EVERY verb. Only the radical changes for some third group verbs.

The endings are :
- ai
- as
- a
- ons
- ez
- ont

So, for 'manger' : INFINITIVE + ending
Je MANGERai
Tu MANGERas
Il/elle/on MANGERa
Nous MANGERons
Vous MANGERez
Ils/elles MANGERont

Same for 'finir' : INFINITIVE + ending
Je FINIRai
Tu FINIRas
Il/elle/on FINIRa
Nous FINIRons
Vous FINIRez
Ils/elles FINIRont

You can try to apply this tip with some first and second group verbs :
- aimer (love/like)
- grandir (grow up)
- crier (yell)
- aplatir (flatten)