I'll be stacking you'll be stacking he'll be stacking we'll be stacking you'll be stacking they'll be stacking
Perfect
I'll have stacked you'll have stacked he'll have stacked we'll have stacked you'll have stacked they'll have stacked
V-ing perfect
I'll have been stacking you'll have been stacking he'll have been stacking we'll have been stacking you'll have been stacking they'll have been stacking
Negation
Simple form
I won't stack you won't stack he won't stack we won't stack you won't stack they won't stack
V-ing form
I won't be stacking you won't be stacking he won't be stacking we won't be stacking you won't be stacking they won't be stacking
Perfect
I won't have stacked you won't have stacked he won't have stacked we won't have stacked you won't have stacked they won't have stacked
V-ing perfect
I won't have been stacking you won't have been stacking he won't have been stacking we won't have been stacking you won't have been stacking they won't have been stacking
Interrogative form
Simple form
will I stack? will you stack? will he stack? will we stack? will you stack? will they stack?
V-ing form
will I be stacking? will you be stacking? will he be stacking? will we be stacking? will you be stacking? will they be stacking?
Perfect
will I have stacked? will you have stacked? will he have stacked? will we have stacked? will you have stacked? will they have stacked?
V-ing perfect
will I have been stacking? will you have been stacking? will he have been stacking? will we have been stacking? will you have been stacking? will they have been stacking?
Interro-negative form
Simple form
won't I stack? won't you stack? won't he stack? won't we stack? won't you stack? won't they stack?
V-ing form
won't I be stacking? won't you be stacking? won't he be stacking? won't we be stacking? won't you be stacking? won't they be stacking?
Perfect
won't I have stacked? won't you have stacked? won't he have stacked? won't we have stacked? won't you have stacked? won't they have stacked?
V-ing perfect
won't I have been stacking? won't you have been stacking? won't he have been stacking? won't we have been stacking? won't you have been stacking? won't they have been stacking?