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