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