Быч

Most standard copula used for to be in future and past, also if used in future with other verbs takes role as will

Conjugation of Быч (future)

1. Ё Бэүдэ

2. Ти Бэүдзеш

3. Оно Бэүдзё и Оня Бэүдзя

4. Ми Бэүдзоты

5. Ви Беүдзечэ

6. Ёңи Бэүдол и Оне Беүдёл

And yes they're used in the same way when you're referring about doing something in the future

Example:

Ё бэүдэ гавал

Meaning "I will talk (with someone)"