English verb conjugation
CAN POWDER

Regular verb: powder - powdered - powdered

Affirmation

Simple form	V-ing form
I can powder you can powder he can powder we can powder you can powder they can powder	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	V-ing 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	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	V-ing 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	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	V-ing 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	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	V-ing form
can I powder? can you powder? can he powder? can we powder? can you powder? can they powder?	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	V-ing 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?	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	V-ing 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?	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	V-ing 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?	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?