must faff
Verbo regular: faff - faffed- faffed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must faff
you must faff
he must faff
we must faff
you must faff
they must faff 	I must be faffing
you must be faffing
he must be faffing
we must be faffing
you must be faffing
they must be faffing	I must have faffed
you must have faffed
he must have faffed
we must have faffed
you must have faffed
they must have faffed	I must have been faffing
you must have been faffing
he must have been faffing
we must have been faffing
you must have been faffing
they must have been faffing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't faff
you mustn't faff
he mustn't faff
we mustn't faff
you mustn't faff
they mustn't faff 	I mustn't be faffing
you mustn't be faffing
he mustn't be faffing
we mustn't be faffing
you mustn't be faffing
they mustn't be faffing	I mustn't have faffed
you mustn't have faffed
he mustn't have faffed
we mustn't have faffed
you mustn't have faffed
they mustn't have faffed	I mustn't have been faffing
you mustn't have been faffing
he mustn't have been faffing
we mustn't have been faffing
you mustn't have been faffing
they mustn't have been faffing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I faff?
must you faff?
must he faff?
must we faff?
must you faff?
must they faff? 	must I be faffing?
must you be faffing?
must he be faffing?
must we be faffing?
must you be faffing?
must they be faffing? 	must I have faffed?
must you have faffed?
must he have faffed?
must we have faffed?
must you have faffed?
must they have faffed? 	must I have been faffing?
must you have been faffing?
must he have been faffing?
must we have been faffing?
must you have been faffing?
must they have been faffing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I faff?
mustn't you faff?
mustn't he faff?
mustn't we faff?
mustn't you faff?
mustn't they faff? 	mustn't I be faffing?
mustn't you be faffing?
mustn't he be faffing?
mustn't we be faffing?
mustn't you be faffing?
mustn't they be faffing? 	mustn't I have faffed?
mustn't you have faffed?
mustn't he have faffed?
mustn't we have faffed?
mustn't you have faffed?
mustn't they have faffed? 	mustn't I have been faffing?
mustn't you have been faffing?
mustn't he have been faffing?
mustn't we have been faffing?
mustn't you have been faffing?
mustn't they have been faffing?