must knuckle
Regelmä&szlig;iges Verb: knuckle - knuckled- knuckled

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I must knuckle
you must knuckle
he must knuckle
we must knuckle
you must knuckle
they must knuckle 	I must be knuckling
you must be knuckling
he must be knuckling
we must be knuckling
you must be knuckling
they must be knuckling	I must have knuckled
you must have knuckled
he must have knuckled
we must have knuckled
you must have knuckled
they must have knuckled	I must have been knuckling
you must have been knuckling
he must have been knuckling
we must have been knuckling
you must have been knuckling
they must have been knuckling	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I mustn't knuckle
you mustn't knuckle
he mustn't knuckle
we mustn't knuckle
you mustn't knuckle
they mustn't knuckle 	I mustn't be knuckling
you mustn't be knuckling
he mustn't be knuckling
we mustn't be knuckling
you mustn't be knuckling
they mustn't be knuckling	I mustn't have knuckled
you mustn't have knuckled
he mustn't have knuckled
we mustn't have knuckled
you mustn't have knuckled
they mustn't have knuckled	I mustn't have been knuckling
you mustn't have been knuckling
he mustn't have been knuckling
we mustn't have been knuckling
you mustn't have been knuckling
they mustn't have been knuckling	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
must I knuckle?
must you knuckle?
must he knuckle?
must we knuckle?
must you knuckle?
must they knuckle? 	must I be knuckling?
must you be knuckling?
must he be knuckling?
must we be knuckling?
must you be knuckling?
must they be knuckling? 	must I have knuckled?
must you have knuckled?
must he have knuckled?
must we have knuckled?
must you have knuckled?
must they have knuckled? 	must I have been knuckling?
must you have been knuckling?
must he have been knuckling?
must we have been knuckling?
must you have been knuckling?
must they have been knuckling? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
mustn't I knuckle?
mustn't you knuckle?
mustn't he knuckle?
mustn't we knuckle?
mustn't you knuckle?
mustn't they knuckle? 	mustn't I be knuckling?
mustn't you be knuckling?
mustn't he be knuckling?
mustn't we be knuckling?
mustn't you be knuckling?
mustn't they be knuckling? 	mustn't I have knuckled?
mustn't you have knuckled?
mustn't he have knuckled?
mustn't we have knuckled?
mustn't you have knuckled?
mustn't they have knuckled? 	mustn't I have been knuckling?
mustn't you have been knuckling?
mustn't he have been knuckling?
mustn't we have been knuckling?
mustn't you have been knuckling?
mustn't they have been knuckling?