could gridiron
Verbe régulier : gridiron - gridironed- gridironed

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could gridiron
you could gridiron
she could gridiron
we could gridiron
you could gridiron
they could gridiron 	I could be gridironing
you could be gridironing
she could be gridironing
we could be gridironing
you could be gridironing
they could be gridironing	I could have gridironed
you could have gridironed
she could have gridironed
we could have gridironed
you could have gridironed
they could have gridironed	I could have been gridironing
you could have been gridironing
she could have been gridironing
we could have been gridironing
you could have been gridironing
they could have been gridironing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not gridiron
you could not gridiron
she could not gridiron
we could not gridiron
you could not gridiron
they could not gridiron 	I could not be gridironing
you could not be gridironing
she could not be gridironing
we could not be gridironing
you could not be gridironing
they could not be gridironing	I could not have gridironed
you could not have gridironed
she could not have gridironed
we could not have gridironed
you could not have gridironed
they could not have gridironed	I could not have been gridironing
you could not have been gridironing
she could not have been gridironing
we could not have been gridironing
you could not have been gridironing
they could not have been gridironing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I gridiron?
could you gridiron?
could she gridiron?
could we gridiron?
could you gridiron?
could they gridiron? 	could I be gridironing?
could you be gridironing?
could she be gridironing?
could we be gridironing?
could you be gridironing?
could they be gridironing? 	could I have gridironed?
could you have gridironed?
could she have gridironed?
could we have gridironed?
could you have gridironed?
could they have gridironed? 	could I have been gridironing?
could you have been gridironing?
could she have been gridironing?
could we have been gridironing?
could you have been gridironing?
could they have been gridironing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not gridiron?
could you not gridiron?
could she not gridiron?
could we not gridiron?
could you not gridiron?
could they not gridiron? 	could I not be gridironing?
could you not be gridironing?
could she not be gridironing?
could we not be gridironing?
could you not be gridironing?
could they not be gridironing? 	could I not have gridironed?
could you not have gridironed?
could she not have gridironed?
could we not have gridironed?
could you not have gridironed?
could they not have gridironed? 	could I not have been gridironing?
could you not have been gridironing?
could she not have been gridironing?
could we not have been gridironing?
could you not have been gridironing?
could they not have been gridironing?