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