English verb conjugation
CAN POWWOW

Regular verb: powwow - powwowed - powwowed

Affirmation

Simple form	V-ing form
I can powwow you can powwow he can powwow we can powwow you can powwow they can powwow	I can be powwowing you can be powwowing he can be powwowing we can be powwowing you can be powwowing they can be powwowing
Perfect	V-ing perfect
I can have powwowed you can have powwowed he can have powwowed we can have powwowed you can have powwowed they can have powwowed	I can have been powwowing you can have been powwowing he can have been powwowing we can have been powwowing you can have been powwowing they can have been powwowing

Negation

Simple form	V-ing form
I can't powwow you can't powwow he can't powwow we can't powwow you can't powwow they can't powwow	I can't be powwowing you can't be powwowing he can't be powwowing we can't be powwowing you can't be powwowing they can't be powwowing
Perfect	V-ing perfect
I can't have powwowed you can't have powwowed he can't have powwowed we can't have powwowed you can't have powwowed they can't have powwowed	I can't have been powwowing you can't have been powwowing he can't have been powwowing we can't have been powwowing you can't have been powwowing they can't have been powwowing

Interrogative form

Simple form	V-ing form
can I powwow? can you powwow? can he powwow? can we powwow? can you powwow? can they powwow?	can I be powwowing? can you be powwowing? can he be powwowing? can we be powwowing? can you be powwowing? can they be powwowing?
Perfect	V-ing perfect
can I have powwowed? can you have powwowed? can he have powwowed? can we have powwowed? can you have powwowed? can they have powwowed?	can I have been powwowing? can you have been powwowing? can he have been powwowing? can we have been powwowing? can you have been powwowing? can they have been powwowing?

Interro-negative form

Simple form	V-ing form
can't I powwow? can't you powwow? can't he powwow? can't we powwow? can't you powwow? can't they powwow?	can't I be powwowing? can't you be powwowing? can't he be powwowing? can't we be powwowing? can't you be powwowing? can't they be powwowing?
Perfect	V-ing perfect
can't I have powwowed? can't you have powwowed? can't he have powwowed? can't we have powwowed? can't you have powwowed? can't they have powwowed?	can't I have been powwowing? can't you have been powwowing? can't he have been powwowing? can't we have been powwowing? can't you have been powwowing? can't they have been powwowing?