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
he could gridiron
we could gridiron
you could gridiron
they could gridiron 	I could be gridironing
you could be gridironing
he could be gridironing
we could be gridironing
you could be gridironing
they could be gridironing	I could have gridironed
you could have gridironed
he 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
he 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 couldn't gridiron
you couldn't gridiron
he couldn't gridiron
we couldn't gridiron
you couldn't gridiron
they couldn't gridiron 	I couldn't be gridironing
you couldn't be gridironing
he couldn't be gridironing
we couldn't be gridironing
you couldn't be gridironing
they couldn't be gridironing	I couldn't have gridironed
you couldn't have gridironed
he couldn't have gridironed
we couldn't have gridironed
you couldn't have gridironed
they couldn't have gridironed	I couldn't have been gridironing
you couldn't have been gridironing
he couldn't have been gridironing
we couldn't have been gridironing
you couldn't have been gridironing
they couldn't have been gridironing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I gridiron?
could you gridiron?
could he gridiron?
could we gridiron?
could you gridiron?
could they gridiron? 	could I be gridironing?
could you be gridironing?
could he be gridironing?
could we be gridironing?
could you be gridironing?
could they be gridironing? 	could I have gridironed?
could you have gridironed?
could he 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 he 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 	
couldn't I gridiron?
couldn't you gridiron?
couldn't he gridiron?
couldn't we gridiron?
couldn't you gridiron?
couldn't they gridiron? 	couldn't I be gridironing?
couldn't you be gridironing?
couldn't he be gridironing?
couldn't we be gridironing?
couldn't you be gridironing?
couldn't they be gridironing? 	couldn't I have gridironed?
couldn't you have gridironed?
couldn't he have gridironed?
couldn't we have gridironed?
couldn't you have gridironed?
couldn't they have gridironed? 	couldn't I have been gridironing?
couldn't you have been gridironing?
couldn't he have been gridironing?
couldn't we have been gridironing?
couldn't you have been gridironing?
couldn't they have been gridironing?