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