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