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