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