I could steer you could steer he could steer we could steer you could steer they could steer
Forme en V-ing
I could be steering you could be steering he could be steering we could be steering you could be steering they could be steering
Perfect
I could have steered you could have steered he could have steered we could have steered you could have steered they could have steered
Perfect en V-ing
I could have been steering you could have been steering he could have been steering we could have been steering you could have been steering they could have been steering
Négation
Forme simple
I couldn't steer you couldn't steer he couldn't steer we couldn't steer you couldn't steer they couldn't steer
Forme en V-ing
I couldn't be steering you couldn't be steering he couldn't be steering we couldn't be steering you couldn't be steering they couldn't be steering
Perfect
I couldn't have steered you couldn't have steered he couldn't have steered we couldn't have steered you couldn't have steered they couldn't have steered
Perfect en V-ing
I couldn't have been steering you couldn't have been steering he couldn't have been steering we couldn't have been steering you couldn't have been steering they couldn't have been steering
Forme interrogative
Forme simple
could I steer? could you steer? could he steer? could we steer? could you steer? could they steer?
Forme en V-ing
could I be steering? could you be steering? could he be steering? could we be steering? could you be steering? could they be steering?
Perfect
could I have steered? could you have steered? could he have steered? could we have steered? could you have steered? could they have steered?
Perfect en V-ing
could I have been steering? could you have been steering? could he have been steering? could we have been steering? could you have been steering? could they have been steering?
Forme interro-négative
Forme simple
couldn't I steer? couldn't you steer? couldn't he steer? couldn't we steer? couldn't you steer? couldn't they steer?
Forme en V-ing
couldn't I be steering? couldn't you be steering? couldn't he be steering? couldn't we be steering? couldn't you be steering? couldn't they be steering?
Perfect
couldn't I have steered? couldn't you have steered? couldn't he have steered? couldn't we have steered? couldn't you have steered? couldn't they have steered?
Perfect en V-ing
couldn't I have been steering? couldn't you have been steering? couldn't he have been steering? couldn't we have been steering? couldn't you have been steering? couldn't they have been steering?