I'll be mastering you'll be mastering he'll be mastering we'll be mastering you'll be mastering they'll be mastering
Perfect
I'll have mastered you'll have mastered he'll have mastered we'll have mastered you'll have mastered they'll have mastered
V-ing perfect
I'll have been mastering you'll have been mastering he'll have been mastering we'll have been mastering you'll have been mastering they'll have been mastering
Negation
Simple form
I shan't master you shan't master he shan't master we shan't master you shan't master they shan't master
V-ing form
I shan't be mastering you shan't be mastering he shan't be mastering we shan't be mastering you shan't be mastering they shan't be mastering
Perfect
I shan't have mastered you shan't have mastered he shan't have mastered we shan't have mastered you shan't have mastered they shan't have mastered
V-ing perfect
I shan't have been mastering you shan't have been mastering he shan't have been mastering we shan't have been mastering you shan't have been mastering they shan't have been mastering
Interrogative form
Simple form
shall I master? shall you master? shall he master? shall we master? shall you master? shall they master?
V-ing form
shall I be mastering? shall you be mastering? shall he be mastering? shall we be mastering? shall you be mastering? shall they be mastering?
Perfect
shall I have mastered? shall you have mastered? shall he have mastered? shall we have mastered? shall you have mastered? shall they have mastered?
V-ing perfect
shall I have been mastering? shall you have been mastering? shall he have been mastering? shall we have been mastering? shall you have been mastering? shall they have been mastering?
Interro-negative form
Simple form
shan't I master? shan't you master? shan't he master? shan't we master? shan't you master? shan't they master?
V-ing form
shan't I be mastering? shan't you be mastering? shan't he be mastering? shan't we be mastering? shan't you be mastering? shan't they be mastering?
Perfect
shan't I have mastered? shan't you have mastered? shan't he have mastered? shan't we have mastered? shan't you have mastered? shan't they have mastered?
V-ing perfect
shan't I have been mastering? shan't you have been mastering? shan't he have been mastering? shan't we have been mastering? shan't you have been mastering? shan't they have been mastering?