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