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