I must fable you must fable he must fable we must fable you must fable they must fable
Forme en V-ing
I must be fabling you must be fabling he must be fabling we must be fabling you must be fabling they must be fabling
Perfect
I must have fabled you must have fabled he must have fabled we must have fabled you must have fabled they must have fabled
Perfect en V-ing
I must have been fabling you must have been fabling he must have been fabling we must have been fabling you must have been fabling they must have been fabling
Négation
Forme simple
I mustn't fable you mustn't fable he mustn't fable we mustn't fable you mustn't fable they mustn't fable
Forme en V-ing
I mustn't be fabling you mustn't be fabling he mustn't be fabling we mustn't be fabling you mustn't be fabling they mustn't be fabling
Perfect
I mustn't have fabled you mustn't have fabled he mustn't have fabled we mustn't have fabled you mustn't have fabled they mustn't have fabled
Perfect en V-ing
I mustn't have been fabling you mustn't have been fabling he mustn't have been fabling we mustn't have been fabling you mustn't have been fabling they mustn't have been fabling
Forme interrogative
Forme simple
must I fable? must you fable? must he fable? must we fable? must you fable? must they fable?
Forme en V-ing
must I be fabling? must you be fabling? must he be fabling? must we be fabling? must you be fabling? must they be fabling?
Perfect
must I have fabled? must you have fabled? must he have fabled? must we have fabled? must you have fabled? must they have fabled?
Perfect en V-ing
must I have been fabling? must you have been fabling? must he have been fabling? must we have been fabling? must you have been fabling? must they have been fabling?
Forme interro-négative
Forme simple
mustn't I fable? mustn't you fable? mustn't he fable? mustn't we fable? mustn't you fable? mustn't they fable?
Forme en V-ing
mustn't I be fabling? mustn't you be fabling? mustn't he be fabling? mustn't we be fabling? mustn't you be fabling? mustn't they be fabling?
Perfect
mustn't I have fabled? mustn't you have fabled? mustn't he have fabled? mustn't we have fabled? mustn't you have fabled? mustn't they have fabled?
Perfect en V-ing
mustn't I have been fabling? mustn't you have been fabling? mustn't he have been fabling? mustn't we have been fabling? mustn't you have been fabling? mustn't they have been fabling?