I must mar you must mar she must mar we must mar you must mar they must mar
Forma com V-ing
I must be marring you must be marring she must be marring we must be marring you must be marring they must be marring
Perfeito
I must have marred you must have marred she must have marred we must have marred you must have marred they must have marred
Perfeito com V-ing
I must have been marring you must have been marring she must have been marring we must have been marring you must have been marring they must have been marring
Negação
Forma simple
I mustn't mar you mustn't mar she mustn't mar we mustn't mar you mustn't mar they mustn't mar
Forma com V-ing
I mustn't be marring you mustn't be marring she mustn't be marring we mustn't be marring you mustn't be marring they mustn't be marring
Perfeito
I mustn't have marred you mustn't have marred she mustn't have marred we mustn't have marred you mustn't have marred they mustn't have marred
Perfeito com V-ing
I mustn't have been marring you mustn't have been marring she mustn't have been marring we mustn't have been marring you mustn't have been marring they mustn't have been marring
Forma interrogativa
Forma simple
must I mar? must you mar? must she mar? must we mar? must you mar? must they mar?
Forma com V-ing
must I be marring? must you be marring? must she be marring? must we be marring? must you be marring? must they be marring?
Perfeito
must I have marred? must you have marred? must she have marred? must we have marred? must you have marred? must they have marred?
Perfeito com V-ing
must I have been marring? must you have been marring? must she have been marring? must we have been marring? must you have been marring? must they have been marring?
Forma interro-Negação
Forma simple
mustn't I mar? mustn't you mar? mustn't she mar? mustn't we mar? mustn't you mar? mustn't they mar?
Forma com V-ing
mustn't I be marring? mustn't you be marring? mustn't she be marring? mustn't we be marring? mustn't you be marring? mustn't they be marring?
Perfeito
mustn't I have marred? mustn't you have marred? mustn't she have marred? mustn't we have marred? mustn't you have marred? mustn't they have marred?
Perfeito com V-ing
mustn't I have been marring? mustn't you have been marring? mustn't she have been marring? mustn't we have been marring? mustn't you have been marring? mustn't they have been marring?