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