must quaff
Verbo regolare: quaff - quaffed- quaffed

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must quaff
you must quaff
he must quaff
we must quaff
you must quaff
they must quaff 	I must be quaffing
you must be quaffing
he must be quaffing
we must be quaffing
you must be quaffing
they must be quaffing	I must have quaffed
you must have quaffed
he must have quaffed
we must have quaffed
you must have quaffed
they must have quaffed	I must have been quaffing
you must have been quaffing
he must have been quaffing
we must have been quaffing
you must have been quaffing
they must have been quaffing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I mustn't quaff
you mustn't quaff
he mustn't quaff
we mustn't quaff
you mustn't quaff
they mustn't quaff 	I mustn't be quaffing
you mustn't be quaffing
he mustn't be quaffing
we mustn't be quaffing
you mustn't be quaffing
they mustn't be quaffing	I mustn't have quaffed
you mustn't have quaffed
he mustn't have quaffed
we mustn't have quaffed
you mustn't have quaffed
they mustn't have quaffed	I mustn't have been quaffing
you mustn't have been quaffing
he mustn't have been quaffing
we mustn't have been quaffing
you mustn't have been quaffing
they mustn't have been quaffing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I quaff?
must you quaff?
must he quaff?
must we quaff?
must you quaff?
must they quaff? 	must I be quaffing?
must you be quaffing?
must he be quaffing?
must we be quaffing?
must you be quaffing?
must they be quaffing? 	must I have quaffed?
must you have quaffed?
must he have quaffed?
must we have quaffed?
must you have quaffed?
must they have quaffed? 	must I have been quaffing?
must you have been quaffing?
must he have been quaffing?
must we have been quaffing?
must you have been quaffing?
must they have been quaffing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
mustn't I quaff?
mustn't you quaff?
mustn't he quaff?
mustn't we quaff?
mustn't you quaff?
mustn't they quaff? 	mustn't I be quaffing?
mustn't you be quaffing?
mustn't he be quaffing?
mustn't we be quaffing?
mustn't you be quaffing?
mustn't they be quaffing? 	mustn't I have quaffed?
mustn't you have quaffed?
mustn't he have quaffed?
mustn't we have quaffed?
mustn't you have quaffed?
mustn't they have quaffed? 	mustn't I have been quaffing?
mustn't you have been quaffing?
mustn't he have been quaffing?
mustn't we have been quaffing?
mustn't you have been quaffing?
mustn't they have been quaffing?