I must countenance you must countenance she must countenance we must countenance you must countenance they must countenance
Forme en V-ing
I must be countenancing you must be countenancing she must be countenancing we must be countenancing you must be countenancing they must be countenancing
Perfect
I must have countenanced you must have countenanced she must have countenanced we must have countenanced you must have countenanced they must have countenanced
Perfect en V-ing
I must have been countenancing you must have been countenancing she must have been countenancing we must have been countenancing you must have been countenancing they must have been countenancing
Négation
Forme simple
I must not countenance you must not countenance she must not countenance we must not countenance you must not countenance they must not countenance
Forme en V-ing
I must not be countenancing you must not be countenancing she must not be countenancing we must not be countenancing you must not be countenancing they must not be countenancing
Perfect
I must not have countenanced you must not have countenanced she must not have countenanced we must not have countenanced you must not have countenanced they must not have countenanced
Perfect en V-ing
I must not have been countenancing you must not have been countenancing she must not have been countenancing we must not have been countenancing you must not have been countenancing they must not have been countenancing
Forme interrogative
Forme simple
must I countenance? must you countenance? must she countenance? must we countenance? must you countenance? must they countenance?
Forme en V-ing
must I be countenancing? must you be countenancing? must she be countenancing? must we be countenancing? must you be countenancing? must they be countenancing?
Perfect
must I have countenanced? must you have countenanced? must she have countenanced? must we have countenanced? must you have countenanced? must they have countenanced?
Perfect en V-ing
must I have been countenancing? must you have been countenancing? must she have been countenancing? must we have been countenancing? must you have been countenancing? must they have been countenancing?
Forme interro-négative
Forme simple
must I not countenance? must you not countenance? must she not countenance? must we not countenance? must you not countenance? must they not countenance?
Forme en V-ing
must I not be countenancing? must you not be countenancing? must she not be countenancing? must we not be countenancing? must you not be countenancing? must they not be countenancing?
Perfect
must I not have countenanced? must you not have countenanced? must she not have countenanced? must we not have countenanced? must you not have countenanced? must they not have countenanced?
Perfect en V-ing
must I not have been countenancing? must you not have been countenancing? must she not have been countenancing? must we not have been countenancing? must you not have been countenancing? must they not have been countenancing?