I must opt you must opt she must opt we must opt you must opt they must opt
Forma com V-ing
I must be opting you must be opting she must be opting we must be opting you must be opting they must be opting
Perfeito
I must have opted you must have opted she must have opted we must have opted you must have opted they must have opted
Perfeito com V-ing
I must have been opting you must have been opting she must have been opting we must have been opting you must have been opting they must have been opting
Negação
Forma simple
I mustn't opt you mustn't opt she mustn't opt we mustn't opt you mustn't opt they mustn't opt
Forma com V-ing
I mustn't be opting you mustn't be opting she mustn't be opting we mustn't be opting you mustn't be opting they mustn't be opting
Perfeito
I mustn't have opted you mustn't have opted she mustn't have opted we mustn't have opted you mustn't have opted they mustn't have opted
Perfeito com V-ing
I mustn't have been opting you mustn't have been opting she mustn't have been opting we mustn't have been opting you mustn't have been opting they mustn't have been opting
Forma interrogativa
Forma simple
must I opt? must you opt? must she opt? must we opt? must you opt? must they opt?
Forma com V-ing
must I be opting? must you be opting? must she be opting? must we be opting? must you be opting? must they be opting?
Perfeito
must I have opted? must you have opted? must she have opted? must we have opted? must you have opted? must they have opted?
Perfeito com V-ing
must I have been opting? must you have been opting? must she have been opting? must we have been opting? must you have been opting? must they have been opting?
Forma interro-Negação
Forma simple
mustn't I opt? mustn't you opt? mustn't she opt? mustn't we opt? mustn't you opt? mustn't they opt?
Forma com V-ing
mustn't I be opting? mustn't you be opting? mustn't she be opting? mustn't we be opting? mustn't you be opting? mustn't they be opting?
Perfeito
mustn't I have opted? mustn't you have opted? mustn't she have opted? mustn't we have opted? mustn't you have opted? mustn't they have opted?
Perfeito com V-ing
mustn't I have been opting? mustn't you have been opting? mustn't she have been opting? mustn't we have been opting? mustn't you have been opting? mustn't they have been opting?