should gridiron
Regular verb: gridiron - gridironed- gridironed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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? 	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 	Perfect 	V-ing perfect 	
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? 	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?