English verb conjugation
CAN GRIDIRON

Regular verb: gridiron - gridironed - gridironed

Affirmation

Simple form	V-ing form
I can gridiron you can gridiron she can gridiron we can gridiron you can gridiron they can gridiron	I can be gridironing you can be gridironing she can be gridironing we can be gridironing you can be gridironing they can be gridironing
Perfect	V-ing perfect
I can have gridironed you can have gridironed she can have gridironed we can have gridironed you can have gridironed they can have gridironed	I can have been gridironing you can have been gridironing she can have been gridironing we can have been gridironing you can have been gridironing they can have been gridironing

Negation

Simple form	V-ing form
I can't gridiron you can't gridiron she can't gridiron we can't gridiron you can't gridiron they can't gridiron	I can't be gridironing you can't be gridironing she can't be gridironing we can't be gridironing you can't be gridironing they can't be gridironing
Perfect	V-ing perfect
I can't have gridironed you can't have gridironed she can't have gridironed we can't have gridironed you can't have gridironed they can't have gridironed	I can't have been gridironing you can't have been gridironing she can't have been gridironing we can't have been gridironing you can't have been gridironing they can't have been gridironing

Interrogative form

Simple form	V-ing form
can I gridiron? can you gridiron? can she gridiron? can we gridiron? can you gridiron? can they gridiron?	can I be gridironing? can you be gridironing? can she be gridironing? can we be gridironing? can you be gridironing? can they be gridironing?
Perfect	V-ing perfect
can I have gridironed? can you have gridironed? can she have gridironed? can we have gridironed? can you have gridironed? can they have gridironed?	can I have been gridironing? can you have been gridironing? can she have been gridironing? can we have been gridironing? can you have been gridironing? can they have been gridironing?

Interro-negative form

Simple form	V-ing form
can't I gridiron? can't you gridiron? can't she gridiron? can't we gridiron? can't you gridiron? can't they gridiron?	can't I be gridironing? can't you be gridironing? can't she be gridironing? can't we be gridironing? can't you be gridironing? can't they be gridironing?
Perfect	V-ing perfect
can't I have gridironed? can't you have gridironed? can't she have gridironed? can't we have gridironed? can't you have gridironed? can't they have gridironed?	can't I have been gridironing? can't you have been gridironing? can't she have been gridironing? can't we have been gridironing? can't you have been gridironing? can't they have been gridironing?