English verb conjugation
COULD POWWOW

Regular verb: powwow - powwowed - powwowed

Affirmation

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

Negation

Simple form	V-ing form
I could not powwow you could not powwow he could not powwow we could not powwow you could not powwow they could not powwow	I could not be powwowing you could not be powwowing he could not be powwowing we could not be powwowing you could not be powwowing they could not be powwowing
Perfect	V-ing perfect
I could not have powwowed you could not have powwowed he could not have powwowed we could not have powwowed you could not have powwowed they could not have powwowed	I could not have been powwowing you could not have been powwowing he could not have been powwowing we could not have been powwowing you could not have been powwowing they could not have been powwowing

Interrogative form

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

Interro-negative form

Simple form	V-ing form
could I not powwow? could you not powwow? could he not powwow? could we not powwow? could you not powwow? could they not powwow?	could I not be powwowing? could you not be powwowing? could he not be powwowing? could we not be powwowing? could you not be powwowing? could they not be powwowing?
Perfect	V-ing perfect
could I not have powwowed? could you not have powwowed? could he not have powwowed? could we not have powwowed? could you not have powwowed? could they not have powwowed?	could I not have been powwowing? could you not have been powwowing? could he not have been powwowing? could we not have been powwowing? could you not have been powwowing? could they not have been powwowing?