can lumber
Regelmä&szlig;iges Verb: lumber - lumbered- lumbered

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I can lumber
you can lumber
he can lumber
we can lumber
you can lumber
they can lumber 	I can be lumbering
you can be lumbering
he can be lumbering
we can be lumbering
you can be lumbering
they can be lumbering	I can have lumbered
you can have lumbered
he can have lumbered
we can have lumbered
you can have lumbered
they can have lumbered	I can have been lumbering
you can have been lumbering
he can have been lumbering
we can have been lumbering
you can have been lumbering
they can have been lumbering	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I cannot lumber
you cannot lumber
he cannot lumber
we cannot lumber
you cannot lumber
they cannot lumber 	I cannot be lumbering
you cannot be lumbering
he cannot be lumbering
we cannot be lumbering
you cannot be lumbering
they cannot be lumbering	I cannot have lumbered
you cannot have lumbered
he cannot have lumbered
we cannot have lumbered
you cannot have lumbered
they cannot have lumbered	I cannot have been lumbering
you cannot have been lumbering
he cannot have been lumbering
we cannot have been lumbering
you cannot have been lumbering
they cannot have been lumbering	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
can I lumber?
can you lumber?
can he lumber?
can we lumber?
can you lumber?
can they lumber? 	can I be lumbering?
can you be lumbering?
can he be lumbering?
can we be lumbering?
can you be lumbering?
can they be lumbering? 	can I have lumbered?
can you have lumbered?
can he have lumbered?
can we have lumbered?
can you have lumbered?
can they have lumbered? 	can I have been lumbering?
can you have been lumbering?
can he have been lumbering?
can we have been lumbering?
can you have been lumbering?
can they have been lumbering? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
can I not lumber?
can you not lumber?
can he not lumber?
can we not lumber?
can you not lumber?
can they not lumber? 	can I not be lumbering?
can you not be lumbering?
can he not be lumbering?
can we not be lumbering?
can you not be lumbering?
can they not be lumbering? 	can I not have lumbered?
can you not have lumbered?
can he not have lumbered?
can we not have lumbered?
can you not have lumbered?
can they not have lumbered? 	can I not have been lumbering?
can you not have been lumbering?
can he not have been lumbering?
can we not have been lumbering?
can you not have been lumbering?
can they not have been lumbering?