Atención, este verbo puede no existir, se da como ejemplo la conjugación.
Afirmación
Forma simple
I must fiance you must fiance he must fiance we must fiance you must fiance they must fiance
Forma con V-ing
I must be fiancing you must be fiancing he must be fiancing we must be fiancing you must be fiancing they must be fiancing
Perfecto
I must have fianced you must have fianced he must have fianced we must have fianced you must have fianced they must have fianced
Perfecto con V-ing
I must have been fiancing you must have been fiancing he must have been fiancing we must have been fiancing you must have been fiancing they must have been fiancing
Negación
Forma simple
I mustn't fiance you mustn't fiance he mustn't fiance we mustn't fiance you mustn't fiance they mustn't fiance
Forma con V-ing
I mustn't be fiancing you mustn't be fiancing he mustn't be fiancing we mustn't be fiancing you mustn't be fiancing they mustn't be fiancing
Perfecto
I mustn't have fianced you mustn't have fianced he mustn't have fianced we mustn't have fianced you mustn't have fianced they mustn't have fianced
Perfecto con V-ing
I mustn't have been fiancing you mustn't have been fiancing he mustn't have been fiancing we mustn't have been fiancing you mustn't have been fiancing they mustn't have been fiancing
Forma interrogativa
Forma simple
must I fiance? must you fiance? must he fiance? must we fiance? must you fiance? must they fiance?
Forma con V-ing
must I be fiancing? must you be fiancing? must he be fiancing? must we be fiancing? must you be fiancing? must they be fiancing?
Perfecto
must I have fianced? must you have fianced? must he have fianced? must we have fianced? must you have fianced? must they have fianced?
Perfecto con V-ing
must I have been fiancing? must you have been fiancing? must he have been fiancing? must we have been fiancing? must you have been fiancing? must they have been fiancing?
Forma interro-negativa
Forma simple
mustn't I fiance? mustn't you fiance? mustn't he fiance? mustn't we fiance? mustn't you fiance? mustn't they fiance?
Forma con V-ing
mustn't I be fiancing? mustn't you be fiancing? mustn't he be fiancing? mustn't we be fiancing? mustn't you be fiancing? mustn't they be fiancing?
Perfecto
mustn't I have fianced? mustn't you have fianced? mustn't he have fianced? mustn't we have fianced? mustn't you have fianced? mustn't they have fianced?
Perfecto con V-ing
mustn't I have been fiancing? mustn't you have been fiancing? mustn't he have been fiancing? mustn't we have been fiancing? mustn't you have been fiancing? mustn't they have been fiancing?