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

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

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

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

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