I must gaff you must gaff he must gaff we must gaff you must gaff they must gaff
Forma com V-ing
I must be gaffing you must be gaffing he must be gaffing we must be gaffing you must be gaffing they must be gaffing
Perfeito
I must have gaffed you must have gaffed he must have gaffed we must have gaffed you must have gaffed they must have gaffed
Perfeito com V-ing
I must have been gaffing you must have been gaffing he must have been gaffing we must have been gaffing you must have been gaffing they must have been gaffing
Negação
Forma simple
I mustn't gaff you mustn't gaff he mustn't gaff we mustn't gaff you mustn't gaff they mustn't gaff
Forma com V-ing
I mustn't be gaffing you mustn't be gaffing he mustn't be gaffing we mustn't be gaffing you mustn't be gaffing they mustn't be gaffing
Perfeito
I mustn't have gaffed you mustn't have gaffed he mustn't have gaffed we mustn't have gaffed you mustn't have gaffed they mustn't have gaffed
Perfeito com V-ing
I mustn't have been gaffing you mustn't have been gaffing he mustn't have been gaffing we mustn't have been gaffing you mustn't have been gaffing they mustn't have been gaffing
Forma interrogativa
Forma simple
must I gaff? must you gaff? must he gaff? must we gaff? must you gaff? must they gaff?
Forma com V-ing
must I be gaffing? must you be gaffing? must he be gaffing? must we be gaffing? must you be gaffing? must they be gaffing?
Perfeito
must I have gaffed? must you have gaffed? must he have gaffed? must we have gaffed? must you have gaffed? must they have gaffed?
Perfeito com V-ing
must I have been gaffing? must you have been gaffing? must he have been gaffing? must we have been gaffing? must you have been gaffing? must they have been gaffing?
Forma interro-Negação
Forma simple
mustn't I gaff? mustn't you gaff? mustn't he gaff? mustn't we gaff? mustn't you gaff? mustn't they gaff?
Forma com V-ing
mustn't I be gaffing? mustn't you be gaffing? mustn't he be gaffing? mustn't we be gaffing? mustn't you be gaffing? mustn't they be gaffing?
Perfeito
mustn't I have gaffed? mustn't you have gaffed? mustn't he have gaffed? mustn't we have gaffed? mustn't you have gaffed? mustn't they have gaffed?
Perfeito com V-ing
mustn't I have been gaffing? mustn't you have been gaffing? mustn't he have been gaffing? mustn't we have been gaffing? mustn't you have been gaffing? mustn't they have been gaffing?