I must survive you must survive he must survive we must survive you must survive they must survive
Forma com V-ing
I must be surviving you must be surviving he must be surviving we must be surviving you must be surviving they must be surviving
Perfeito
I must have survived you must have survived he must have survived we must have survived you must have survived they must have survived
Perfeito com V-ing
I must have been surviving you must have been surviving he must have been surviving we must have been surviving you must have been surviving they must have been surviving
Negação
Forma simple
I mustn't survive you mustn't survive he mustn't survive we mustn't survive you mustn't survive they mustn't survive
Forma com V-ing
I mustn't be surviving you mustn't be surviving he mustn't be surviving we mustn't be surviving you mustn't be surviving they mustn't be surviving
Perfeito
I mustn't have survived you mustn't have survived he mustn't have survived we mustn't have survived you mustn't have survived they mustn't have survived
Perfeito com V-ing
I mustn't have been surviving you mustn't have been surviving he mustn't have been surviving we mustn't have been surviving you mustn't have been surviving they mustn't have been surviving
Forma interrogativa
Forma simple
must I survive? must you survive? must he survive? must we survive? must you survive? must they survive?
Forma com V-ing
must I be surviving? must you be surviving? must he be surviving? must we be surviving? must you be surviving? must they be surviving?
Perfeito
must I have survived? must you have survived? must he have survived? must we have survived? must you have survived? must they have survived?
Perfeito com V-ing
must I have been surviving? must you have been surviving? must he have been surviving? must we have been surviving? must you have been surviving? must they have been surviving?
Forma interro-Negação
Forma simple
mustn't I survive? mustn't you survive? mustn't he survive? mustn't we survive? mustn't you survive? mustn't they survive?
Forma com V-ing
mustn't I be surviving? mustn't you be surviving? mustn't he be surviving? mustn't we be surviving? mustn't you be surviving? mustn't they be surviving?
Perfeito
mustn't I have survived? mustn't you have survived? mustn't he have survived? mustn't we have survived? mustn't you have survived? mustn't they have survived?
Perfeito com V-ing
mustn't I have been surviving? mustn't you have been surviving? mustn't he have been surviving? mustn't we have been surviving? mustn't you have been surviving? mustn't they have been surviving?