must cube
Regelmä&szlig;iges Verb: cube - cubed- cubed

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I must cube
you must cube
she must cube
we must cube
you must cube
they must cube 	I must be cubing
you must be cubing
she must be cubing
we must be cubing
you must be cubing
they must be cubing	I must have cubed
you must have cubed
she must have cubed
we must have cubed
you must have cubed
they must have cubed	I must have been cubing
you must have been cubing
she must have been cubing
we must have been cubing
you must have been cubing
they must have been cubing	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I mustn't cube
you mustn't cube
she mustn't cube
we mustn't cube
you mustn't cube
they mustn't cube 	I mustn't be cubing
you mustn't be cubing
she mustn't be cubing
we mustn't be cubing
you mustn't be cubing
they mustn't be cubing	I mustn't have cubed
you mustn't have cubed
she mustn't have cubed
we mustn't have cubed
you mustn't have cubed
they mustn't have cubed	I mustn't have been cubing
you mustn't have been cubing
she mustn't have been cubing
we mustn't have been cubing
you mustn't have been cubing
they mustn't have been cubing	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
must I cube?
must you cube?
must she cube?
must we cube?
must you cube?
must they cube? 	must I be cubing?
must you be cubing?
must she be cubing?
must we be cubing?
must you be cubing?
must they be cubing? 	must I have cubed?
must you have cubed?
must she have cubed?
must we have cubed?
must you have cubed?
must they have cubed? 	must I have been cubing?
must you have been cubing?
must she have been cubing?
must we have been cubing?
must you have been cubing?
must they have been cubing? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
mustn't I cube?
mustn't you cube?
mustn't she cube?
mustn't we cube?
mustn't you cube?
mustn't they cube? 	mustn't I be cubing?
mustn't you be cubing?
mustn't she be cubing?
mustn't we be cubing?
mustn't you be cubing?
mustn't they be cubing? 	mustn't I have cubed?
mustn't you have cubed?
mustn't she have cubed?
mustn't we have cubed?
mustn't you have cubed?
mustn't they have cubed? 	mustn't I have been cubing?
mustn't you have been cubing?
mustn't she have been cubing?
mustn't we have been cubing?
mustn't you have been cubing?
mustn't they have been cubing?