I must flap you must flap he must flap we must flap you must flap they must flap
Forma com V-ing
I must be flapping you must be flapping he must be flapping we must be flapping you must be flapping they must be flapping
Perfeito
I must have flapped you must have flapped he must have flapped we must have flapped you must have flapped they must have flapped
Perfeito com V-ing
I must have been flapping you must have been flapping he must have been flapping we must have been flapping you must have been flapping they must have been flapping
Negação
Forma simple
I mustn't flap you mustn't flap he mustn't flap we mustn't flap you mustn't flap they mustn't flap
Forma com V-ing
I mustn't be flapping you mustn't be flapping he mustn't be flapping we mustn't be flapping you mustn't be flapping they mustn't be flapping
Perfeito
I mustn't have flapped you mustn't have flapped he mustn't have flapped we mustn't have flapped you mustn't have flapped they mustn't have flapped
Perfeito com V-ing
I mustn't have been flapping you mustn't have been flapping he mustn't have been flapping we mustn't have been flapping you mustn't have been flapping they mustn't have been flapping
Forma interrogativa
Forma simple
must I flap? must you flap? must he flap? must we flap? must you flap? must they flap?
Forma com V-ing
must I be flapping? must you be flapping? must he be flapping? must we be flapping? must you be flapping? must they be flapping?
Perfeito
must I have flapped? must you have flapped? must he have flapped? must we have flapped? must you have flapped? must they have flapped?
Perfeito com V-ing
must I have been flapping? must you have been flapping? must he have been flapping? must we have been flapping? must you have been flapping? must they have been flapping?
Forma interro-Negação
Forma simple
mustn't I flap? mustn't you flap? mustn't he flap? mustn't we flap? mustn't you flap? mustn't they flap?
Forma com V-ing
mustn't I be flapping? mustn't you be flapping? mustn't he be flapping? mustn't we be flapping? mustn't you be flapping? mustn't they be flapping?
Perfeito
mustn't I have flapped? mustn't you have flapped? mustn't he have flapped? mustn't we have flapped? mustn't you have flapped? mustn't they have flapped?
Perfeito com V-ing
mustn't I have been flapping? mustn't you have been flapping? mustn't he have been flapping? mustn't we have been flapping? mustn't you have been flapping? mustn't they have been flapping?