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