زمان آينده كامل استمراري: براي بيان كارهايي است كه درزمان مشخصي در آينده قرار است كامل شود .
...+ing+ فعل+ will have been + فاعل
.By the time we get home, I will have been driving for three hours
.By the end of this week, we will have been working here for six months