must mast
Regelmä&szlig;iges Verb: mast - masted- masted

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I must mast
you must mast
he must mast
we must mast
you must mast
they must mast 	I must be masting
you must be masting
he must be masting
we must be masting
you must be masting
they must be masting	I must have masted
you must have masted
he must have masted
we must have masted
you must have masted
they must have masted	I must have been masting
you must have been masting
he must have been masting
we must have been masting
you must have been masting
they must have been masting	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I mustn't mast
you mustn't mast
he mustn't mast
we mustn't mast
you mustn't mast
they mustn't mast 	I mustn't be masting
you mustn't be masting
he mustn't be masting
we mustn't be masting
you mustn't be masting
they mustn't be masting	I mustn't have masted
you mustn't have masted
he mustn't have masted
we mustn't have masted
you mustn't have masted
they mustn't have masted	I mustn't have been masting
you mustn't have been masting
he mustn't have been masting
we mustn't have been masting
you mustn't have been masting
they mustn't have been masting	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
must I mast?
must you mast?
must he mast?
must we mast?
must you mast?
must they mast? 	must I be masting?
must you be masting?
must he be masting?
must we be masting?
must you be masting?
must they be masting? 	must I have masted?
must you have masted?
must he have masted?
must we have masted?
must you have masted?
must they have masted? 	must I have been masting?
must you have been masting?
must he have been masting?
must we have been masting?
must you have been masting?
must they have been masting? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
mustn't I mast?
mustn't you mast?
mustn't he mast?
mustn't we mast?
mustn't you mast?
mustn't they mast? 	mustn't I be masting?
mustn't you be masting?
mustn't he be masting?
mustn't we be masting?
mustn't you be masting?
mustn't they be masting? 	mustn't I have masted?
mustn't you have masted?
mustn't he have masted?
mustn't we have masted?
mustn't you have masted?
mustn't they have masted? 	mustn't I have been masting?
mustn't you have been masting?
mustn't he have been masting?
mustn't we have been masting?
mustn't you have been masting?
mustn't they have been masting?