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