I must postpone you must postpone he must postpone we must postpone you must postpone they must postpone
Forma com V-ing
I must be postponing you must be postponing he must be postponing we must be postponing you must be postponing they must be postponing
Perfeito
I must have postponed you must have postponed he must have postponed we must have postponed you must have postponed they must have postponed
Perfeito com V-ing
I must have been postponing you must have been postponing he must have been postponing we must have been postponing you must have been postponing they must have been postponing
Negação
Forma simple
I mustn't postpone you mustn't postpone he mustn't postpone we mustn't postpone you mustn't postpone they mustn't postpone
Forma com V-ing
I mustn't be postponing you mustn't be postponing he mustn't be postponing we mustn't be postponing you mustn't be postponing they mustn't be postponing
Perfeito
I mustn't have postponed you mustn't have postponed he mustn't have postponed we mustn't have postponed you mustn't have postponed they mustn't have postponed
Perfeito com V-ing
I mustn't have been postponing you mustn't have been postponing he mustn't have been postponing we mustn't have been postponing you mustn't have been postponing they mustn't have been postponing
Forma interrogativa
Forma simple
must I postpone? must you postpone? must he postpone? must we postpone? must you postpone? must they postpone?
Forma com V-ing
must I be postponing? must you be postponing? must he be postponing? must we be postponing? must you be postponing? must they be postponing?
Perfeito
must I have postponed? must you have postponed? must he have postponed? must we have postponed? must you have postponed? must they have postponed?
Perfeito com V-ing
must I have been postponing? must you have been postponing? must he have been postponing? must we have been postponing? must you have been postponing? must they have been postponing?
Forma interro-Negação
Forma simple
mustn't I postpone? mustn't you postpone? mustn't he postpone? mustn't we postpone? mustn't you postpone? mustn't they postpone?
Forma com V-ing
mustn't I be postponing? mustn't you be postponing? mustn't he be postponing? mustn't we be postponing? mustn't you be postponing? mustn't they be postponing?
Perfeito
mustn't I have postponed? mustn't you have postponed? mustn't he have postponed? mustn't we have postponed? mustn't you have postponed? mustn't they have postponed?
Perfeito com V-ing
mustn't I have been postponing? mustn't you have been postponing? mustn't he have been postponing? mustn't we have been postponing? mustn't you have been postponing? mustn't they have been postponing?