must cluster
Regelmä&szlig;iges Verb: cluster - clustered- clustered

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I must cluster
you must cluster
he must cluster
we must cluster
you must cluster
they must cluster 	I must be clustering
you must be clustering
he must be clustering
we must be clustering
you must be clustering
they must be clustering	I must have clustered
you must have clustered
he must have clustered
we must have clustered
you must have clustered
they must have clustered	I must have been clustering
you must have been clustering
he must have been clustering
we must have been clustering
you must have been clustering
they must have been clustering	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I mustn't cluster
you mustn't cluster
he mustn't cluster
we mustn't cluster
you mustn't cluster
they mustn't cluster 	I mustn't be clustering
you mustn't be clustering
he mustn't be clustering
we mustn't be clustering
you mustn't be clustering
they mustn't be clustering	I mustn't have clustered
you mustn't have clustered
he mustn't have clustered
we mustn't have clustered
you mustn't have clustered
they mustn't have clustered	I mustn't have been clustering
you mustn't have been clustering
he mustn't have been clustering
we mustn't have been clustering
you mustn't have been clustering
they mustn't have been clustering	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
must I cluster?
must you cluster?
must he cluster?
must we cluster?
must you cluster?
must they cluster? 	must I be clustering?
must you be clustering?
must he be clustering?
must we be clustering?
must you be clustering?
must they be clustering? 	must I have clustered?
must you have clustered?
must he have clustered?
must we have clustered?
must you have clustered?
must they have clustered? 	must I have been clustering?
must you have been clustering?
must he have been clustering?
must we have been clustering?
must you have been clustering?
must they have been clustering? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
mustn't I cluster?
mustn't you cluster?
mustn't he cluster?
mustn't we cluster?
mustn't you cluster?
mustn't they cluster? 	mustn't I be clustering?
mustn't you be clustering?
mustn't he be clustering?
mustn't we be clustering?
mustn't you be clustering?
mustn't they be clustering? 	mustn't I have clustered?
mustn't you have clustered?
mustn't he have clustered?
mustn't we have clustered?
mustn't you have clustered?
mustn't they have clustered? 	mustn't I have been clustering?
mustn't you have been clustering?
mustn't he have been clustering?
mustn't we have been clustering?
mustn't you have been clustering?
mustn't they have been clustering?