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