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