I must forge you must forge she must forge we must forge you must forge they must forge
Forme en V-ing
I must be forging you must be forging she must be forging we must be forging you must be forging they must be forging
Perfect
I must have forged you must have forged she must have forged we must have forged you must have forged they must have forged
Perfect en V-ing
I must have been forging you must have been forging she must have been forging we must have been forging you must have been forging they must have been forging
Négation
Forme simple
I must not forge you must not forge she must not forge we must not forge you must not forge they must not forge
Forme en V-ing
I must not be forging you must not be forging she must not be forging we must not be forging you must not be forging they must not be forging
Perfect
I must not have forged you must not have forged she must not have forged we must not have forged you must not have forged they must not have forged
Perfect en V-ing
I must not have been forging you must not have been forging she must not have been forging we must not have been forging you must not have been forging they must not have been forging
Forme interrogative
Forme simple
must I forge? must you forge? must she forge? must we forge? must you forge? must they forge?
Forme en V-ing
must I be forging? must you be forging? must she be forging? must we be forging? must you be forging? must they be forging?
Perfect
must I have forged? must you have forged? must she have forged? must we have forged? must you have forged? must they have forged?
Perfect en V-ing
must I have been forging? must you have been forging? must she have been forging? must we have been forging? must you have been forging? must they have been forging?
Forme interro-négative
Forme simple
must I not forge? must you not forge? must she not forge? must we not forge? must you not forge? must they not forge?
Forme en V-ing
must I not be forging? must you not be forging? must she not be forging? must we not be forging? must you not be forging? must they not be forging?
Perfect
must I not have forged? must you not have forged? must she not have forged? must we not have forged? must you not have forged? must they not have forged?
Perfect en V-ing
must I not have been forging? must you not have been forging? must she not have been forging? must we not have been forging? must you not have been forging? must they not have been forging?