English verb conjugation
COULD MULLION

Regular verb: mullion - mullioned - mullioned

Affirmation

Simple form	V-ing form
I could mullion you could mullion he could mullion we could mullion you could mullion they could mullion	I could be mullioning you could be mullioning he could be mullioning we could be mullioning you could be mullioning they could be mullioning
Perfect	V-ing perfect
I could have mullioned you could have mullioned he could have mullioned we could have mullioned you could have mullioned they could have mullioned	I could have been mullioning you could have been mullioning he could have been mullioning we could have been mullioning you could have been mullioning they could have been mullioning

Negation

Simple form	V-ing form
I could not mullion you could not mullion he could not mullion we could not mullion you could not mullion they could not mullion	I could not be mullioning you could not be mullioning he could not be mullioning we could not be mullioning you could not be mullioning they could not be mullioning
Perfect	V-ing perfect
I could not have mullioned you could not have mullioned he could not have mullioned we could not have mullioned you could not have mullioned they could not have mullioned	I could not have been mullioning you could not have been mullioning he could not have been mullioning we could not have been mullioning you could not have been mullioning they could not have been mullioning

Interrogative form

Simple form	V-ing form
could I mullion? could you mullion? could he mullion? could we mullion? could you mullion? could they mullion?	could I be mullioning? could you be mullioning? could he be mullioning? could we be mullioning? could you be mullioning? could they be mullioning?
Perfect	V-ing perfect
could I have mullioned? could you have mullioned? could he have mullioned? could we have mullioned? could you have mullioned? could they have mullioned?	could I have been mullioning? could you have been mullioning? could he have been mullioning? could we have been mullioning? could you have been mullioning? could they have been mullioning?

Interro-negative form

Simple form	V-ing form
could I not mullion? could you not mullion? could he not mullion? could we not mullion? could you not mullion? could they not mullion?	could I not be mullioning? could you not be mullioning? could he not be mullioning? could we not be mullioning? could you not be mullioning? could they not be mullioning?
Perfect	V-ing perfect
could I not have mullioned? could you not have mullioned? could he not have mullioned? could we not have mullioned? could you not have mullioned? could they not have mullioned?	could I not have been mullioning? could you not have been mullioning? could he not have been mullioning? could we not have been mullioning? could you not have been mullioning? could they not have been mullioning?