must board
Regelmä&szlig;iges Verb: board - boarded- boarded

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I must board
you must board
she must board
we must board
you must board
they must board 	I must be boarding
you must be boarding
she must be boarding
we must be boarding
you must be boarding
they must be boarding	I must have boarded
you must have boarded
she must have boarded
we must have boarded
you must have boarded
they must have boarded	I must have been boarding
you must have been boarding
she must have been boarding
we must have been boarding
you must have been boarding
they must have been boarding	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I mustn't board
you mustn't board
she mustn't board
we mustn't board
you mustn't board
they mustn't board 	I mustn't be boarding
you mustn't be boarding
she mustn't be boarding
we mustn't be boarding
you mustn't be boarding
they mustn't be boarding	I mustn't have boarded
you mustn't have boarded
she mustn't have boarded
we mustn't have boarded
you mustn't have boarded
they mustn't have boarded	I mustn't have been boarding
you mustn't have been boarding
she mustn't have been boarding
we mustn't have been boarding
you mustn't have been boarding
they mustn't have been boarding	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
must I board?
must you board?
must she board?
must we board?
must you board?
must they board? 	must I be boarding?
must you be boarding?
must she be boarding?
must we be boarding?
must you be boarding?
must they be boarding? 	must I have boarded?
must you have boarded?
must she have boarded?
must we have boarded?
must you have boarded?
must they have boarded? 	must I have been boarding?
must you have been boarding?
must she have been boarding?
must we have been boarding?
must you have been boarding?
must they have been boarding? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
mustn't I board?
mustn't you board?
mustn't she board?
mustn't we board?
mustn't you board?
mustn't they board? 	mustn't I be boarding?
mustn't you be boarding?
mustn't she be boarding?
mustn't we be boarding?
mustn't you be boarding?
mustn't they be boarding? 	mustn't I have boarded?
mustn't you have boarded?
mustn't she have boarded?
mustn't we have boarded?
mustn't you have boarded?
mustn't they have boarded? 	mustn't I have been boarding?
mustn't you have been boarding?
mustn't she have been boarding?
mustn't we have been boarding?
mustn't you have been boarding?
mustn't they have been boarding?