Cuidado, este verbo pode não existir, a conjugação é dada como exemplo.
Afirmação
Forma simple
I must gasser you must gasser he must gasser we must gasser you must gasser they must gasser
Forma com 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
Perfeito
I must have gassered you must have gassered he must have gassered we must have gassered you must have gassered they must have gassered
Perfeito com 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
Negação
Forma simple
I must not gasser you must not gasser he must not gasser we must not gasser you must not gasser they must not gasser
Forma com V-ing
I must not be gassering you must not be gassering he must not be gassering we must not be gassering you must not be gassering they must not be gassering
Perfeito
I must not have gassered you must not have gassered he must not have gassered we must not have gassered you must not have gassered they must not have gassered
Perfeito com V-ing
I must not have been gassering you must not have been gassering he must not have been gassering we must not have been gassering you must not have been gassering they must not 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 com 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?
Perfeito
must I have gassered? must you have gassered? must he have gassered? must we have gassered? must you have gassered? must they have gassered?
Perfeito com 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-Negação
Forma simple
must I not gasser? must you not gasser? must he not gasser? must we not gasser? must you not gasser? must they not gasser?
Forma com V-ing
must I not be gassering? must you not be gassering? must he not be gassering? must we not be gassering? must you not be gassering? must they not be gassering?
Perfeito
must I not have gassered? must you not have gassered? must he not have gassered? must we not have gassered? must you not have gassered? must they not have gassered?
Perfeito com V-ing
must I not have been gassering? must you not have been gassering? must he not have been gassering? must we not have been gassering? must you not have been gassering? must they not have been gassering?