must preen
Regelmä&szlig;iges Verb: preen - preened- preened

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I must preen
you must preen
she must preen
we must preen
you must preen
they must preen 	I must be preening
you must be preening
she must be preening
we must be preening
you must be preening
they must be preening	I must have preened
you must have preened
she must have preened
we must have preened
you must have preened
they must have preened	I must have been preening
you must have been preening
she must have been preening
we must have been preening
you must have been preening
they must have been preening	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I mustn't preen
you mustn't preen
she mustn't preen
we mustn't preen
you mustn't preen
they mustn't preen 	I mustn't be preening
you mustn't be preening
she mustn't be preening
we mustn't be preening
you mustn't be preening
they mustn't be preening	I mustn't have preened
you mustn't have preened
she mustn't have preened
we mustn't have preened
you mustn't have preened
they mustn't have preened	I mustn't have been preening
you mustn't have been preening
she mustn't have been preening
we mustn't have been preening
you mustn't have been preening
they mustn't have been preening	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
must I preen?
must you preen?
must she preen?
must we preen?
must you preen?
must they preen? 	must I be preening?
must you be preening?
must she be preening?
must we be preening?
must you be preening?
must they be preening? 	must I have preened?
must you have preened?
must she have preened?
must we have preened?
must you have preened?
must they have preened? 	must I have been preening?
must you have been preening?
must she have been preening?
must we have been preening?
must you have been preening?
must they have been preening? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
mustn't I preen?
mustn't you preen?
mustn't she preen?
mustn't we preen?
mustn't you preen?
mustn't they preen? 	mustn't I be preening?
mustn't you be preening?
mustn't she be preening?
mustn't we be preening?
mustn't you be preening?
mustn't they be preening? 	mustn't I have preened?
mustn't you have preened?
mustn't she have preened?
mustn't we have preened?
mustn't you have preened?
mustn't they have preened? 	mustn't I have been preening?
mustn't you have been preening?
mustn't she have been preening?
mustn't we have been preening?
mustn't you have been preening?
mustn't they have been preening?