must staff
Regelmä&szlig;iges Verb: staff - staffed- staffed

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I must staff
you must staff
he must staff
we must staff
you must staff
they must staff 	I must be staffing
you must be staffing
he must be staffing
we must be staffing
you must be staffing
they must be staffing	I must have staffed
you must have staffed
he must have staffed
we must have staffed
you must have staffed
they must have staffed	I must have been staffing
you must have been staffing
he must have been staffing
we must have been staffing
you must have been staffing
they must have been staffing	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I mustn't staff
you mustn't staff
he mustn't staff
we mustn't staff
you mustn't staff
they mustn't staff 	I mustn't be staffing
you mustn't be staffing
he mustn't be staffing
we mustn't be staffing
you mustn't be staffing
they mustn't be staffing	I mustn't have staffed
you mustn't have staffed
he mustn't have staffed
we mustn't have staffed
you mustn't have staffed
they mustn't have staffed	I mustn't have been staffing
you mustn't have been staffing
he mustn't have been staffing
we mustn't have been staffing
you mustn't have been staffing
they mustn't have been staffing	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
must I staff?
must you staff?
must he staff?
must we staff?
must you staff?
must they staff? 	must I be staffing?
must you be staffing?
must he be staffing?
must we be staffing?
must you be staffing?
must they be staffing? 	must I have staffed?
must you have staffed?
must he have staffed?
must we have staffed?
must you have staffed?
must they have staffed? 	must I have been staffing?
must you have been staffing?
must he have been staffing?
must we have been staffing?
must you have been staffing?
must they have been staffing? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
mustn't I staff?
mustn't you staff?
mustn't he staff?
mustn't we staff?
mustn't you staff?
mustn't they staff? 	mustn't I be staffing?
mustn't you be staffing?
mustn't he be staffing?
mustn't we be staffing?
mustn't you be staffing?
mustn't they be staffing? 	mustn't I have staffed?
mustn't you have staffed?
mustn't he have staffed?
mustn't we have staffed?
mustn't you have staffed?
mustn't they have staffed? 	mustn't I have been staffing?
mustn't you have been staffing?
mustn't he have been staffing?
mustn't we have been staffing?
mustn't you have been staffing?
mustn't they have been staffing?