may gridiron
Regular verb: gridiron - gridironed- gridironed

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

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may not gridiron
you may not gridiron
he may not gridiron
we may not gridiron
you may not gridiron
they may not gridiron 	I may not be gridironing
you may not be gridironing
he may not be gridironing
we may not be gridironing
you may not be gridironing
they may not be gridironing	I may not have gridironed
you may not have gridironed
he may not have gridironed
we may not have gridironed
you may not have gridironed
they may not have gridironed	I may not have been gridironing
you may not have been gridironing
he may not have been gridironing
we may not have been gridironing
you may not have been gridironing
they may not have been gridironing	

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

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I not gridiron?
may you not gridiron?
may he not gridiron?
may we not gridiron?
may you not gridiron?
may they not gridiron? 	may I not be gridironing?
may you not be gridironing?
may he not be gridironing?
may we not be gridironing?
may you not be gridironing?
may they not be gridironing? 	may I not have gridironed?
may you not have gridironed?
may he not have gridironed?
may we not have gridironed?
may you not have gridironed?
may they not have gridironed? 	may I not have been gridironing?
may you not have been gridironing?
may he not have been gridironing?
may we not have been gridironing?
may you not have been gridironing?
may they not have been gridironing?