I could steer you could steer she could steer we could steer you could steer they could steer
Forme en V-ing
I could be steering you could be steering she could be steering we could be steering you could be steering they could be steering
Perfect
I could have steered you could have steered she 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 she could have been steering we could have been steering you could have been steering they could have been steering
Négation
Forme simple
I could not steer you could not steer she could not steer we could not steer you could not steer they could not steer
Forme en V-ing
I could not be steering you could not be steering she could not be steering we could not be steering you could not be steering they could not be steering
Perfect
I could not have steered you could not have steered she could not have steered we could not have steered you could not have steered they could not have steered
Perfect en V-ing
I could not have been steering you could not have been steering she could not have been steering we could not have been steering you could not have been steering they could not have been steering
Forme interrogative
Forme simple
could I steer? could you steer? could she steer? could we steer? could you steer? could they steer?
Forme en V-ing
could I be steering? could you be steering? could she be steering? could we be steering? could you be steering? could they be steering?
Perfect
could I have steered? could you have steered? could she 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 she have been steering? could we have been steering? could you have been steering? could they have been steering?
Forme interro-négative
Forme simple
could I not steer? could you not steer? could she not steer? could we not steer? could you not steer? could they not steer?
Forme en V-ing
could I not be steering? could you not be steering? could she not be steering? could we not be steering? could you not be steering? could they not be steering?
Perfect
could I not have steered? could you not have steered? could she not have steered? could we not have steered? could you not have steered? could they not have steered?
Perfect en V-ing
could I not have been steering? could you not have been steering? could she not have been steering? could we not have been steering? could you not have been steering? could they not have been steering?