Formal:
* Nous allons (literally "we are going to") - This is the most common and formal way to say "we will."
* Nous devrons (literally "we will have to") - This is used when there is an obligation or necessity.
Informal:
* On va (literally "one goes") - This is a very common informal way to say "we will."
* On fera (literally "one will do") - This is another informal option, often used to express a future intention.
Other variations:
* Nous pouvons (literally "we can") - This can sometimes be used to mean "we will," especially in situations where there is a possibility or permission.
* Nous voulons (literally "we want") - This can also be used to express a future intention, but it emphasizes a desire or wish.
The best way to choose the correct translation depends on the context and the desired level of formality.
For example:
* Formal: "We will go to the store tomorrow." - Nous allons aller au magasin demain.
* Informal: "We will eat pizza tonight." - On va manger des pizzas ce soir.