English verb conjugation
SHOULD GRIDIRON

Regular verb: gridiron - gridironed - gridironed

Affirmation

Simple form	V-ing form
I'd gridiron you'd gridiron he'd gridiron we'd gridiron you'd gridiron they'd gridiron	I'd be gridironing you'd be gridironing he'd be gridironing we'd be gridironing you'd be gridironing they'd be gridironing
Perfect	V-ing perfect
I should've gridironed you should've gridironed he should've gridironed we should've gridironed you should've gridironed they should've gridironed	I should've been gridironing you should've been gridironing he should've been gridironing we should've been gridironing you should've been gridironing they should've been gridironing

Negation

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

Interrogative form

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

Interro-negative form

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