could gridiron
Verbo regolare: gridiron - gridironed- gridironed

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con 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	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could not gridiron
you could not gridiron
he 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
he 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
he 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
he could not have been gridironing
we could not have been gridironing
you could not have been gridironing
they could not have been gridironing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con 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? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I not gridiron?
could you not gridiron?
could he 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 he 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 he 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 he not have been gridironing?
could we not have been gridironing?
could you not have been gridironing?
could they not have been gridironing?