Cuidado, este verbo pode não existir, a conjugação é dada como exemplo.
Afirmação
Forma simple
I must duck out you must duck out she must duck out we must duck out you must duck out they must duck out
Forma com V-ing
I must be duck outing you must be duck outing she must be duck outing we must be duck outing you must be duck outing they must be duck outing
Perfeito
I must have duck outed you must have duck outed she must have duck outed we must have duck outed you must have duck outed they must have duck outed
Perfeito com V-ing
I must have been duck outing you must have been duck outing she must have been duck outing we must have been duck outing you must have been duck outing they must have been duck outing
Negação
Forma simple
I mustn't duck out you mustn't duck out she mustn't duck out we mustn't duck out you mustn't duck out they mustn't duck out
Forma com V-ing
I mustn't be duck outing you mustn't be duck outing she mustn't be duck outing we mustn't be duck outing you mustn't be duck outing they mustn't be duck outing
Perfeito
I mustn't have duck outed you mustn't have duck outed she mustn't have duck outed we mustn't have duck outed you mustn't have duck outed they mustn't have duck outed
Perfeito com V-ing
I mustn't have been duck outing you mustn't have been duck outing she mustn't have been duck outing we mustn't have been duck outing you mustn't have been duck outing they mustn't have been duck outing
Forma interrogativa
Forma simple
must I duck out? must you duck out? must she duck out? must we duck out? must you duck out? must they duck out?
Forma com V-ing
must I be duck outing? must you be duck outing? must she be duck outing? must we be duck outing? must you be duck outing? must they be duck outing?
Perfeito
must I have duck outed? must you have duck outed? must she have duck outed? must we have duck outed? must you have duck outed? must they have duck outed?
Perfeito com V-ing
must I have been duck outing? must you have been duck outing? must she have been duck outing? must we have been duck outing? must you have been duck outing? must they have been duck outing?
Forma interro-Negação
Forma simple
mustn't I duck out? mustn't you duck out? mustn't she duck out? mustn't we duck out? mustn't you duck out? mustn't they duck out?
Forma com V-ing
mustn't I be duck outing? mustn't you be duck outing? mustn't she be duck outing? mustn't we be duck outing? mustn't you be duck outing? mustn't they be duck outing?
Perfeito
mustn't I have duck outed? mustn't you have duck outed? mustn't she have duck outed? mustn't we have duck outed? mustn't you have duck outed? mustn't they have duck outed?
Perfeito com V-ing
mustn't I have been duck outing? mustn't you have been duck outing? mustn't she have been duck outing? mustn't we have been duck outing? mustn't you have been duck outing? mustn't they have been duck outing?