Мы работаем вместе уже пятнадцать л

Мы работаем вместе уже пятнадцать лет и привыкли понимать друг друга.

Results (English) 1:

We have been working together for 15 years and used to understand each other.

Results (English) 2:

We have worked together for fifteen years and are used to understand each other.

Results (English) 3:

We are all working together is already fifteen years and are accustomed to understand each other.