could lumber
Verbe régulier : lumber - lumbered- lumbered
Traduction française : (US) débiter - marcher pesamment 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could lumber
you could lumber
she could lumber
we could lumber
you could lumber
they could lumber 	I could be lumbering
you could be lumbering
she could be lumbering
we could be lumbering
you could be lumbering
they could be lumbering	I could have lumbered
you could have lumbered
she could have lumbered
we could have lumbered
you could have lumbered
they could have lumbered	I could have been lumbering
you could have been lumbering
she could have been lumbering
we could have been lumbering
you could have been lumbering
they could have been lumbering	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't lumber
you couldn't lumber
she couldn't lumber
we couldn't lumber
you couldn't lumber
they couldn't lumber 	I couldn't be lumbering
you couldn't be lumbering
she couldn't be lumbering
we couldn't be lumbering
you couldn't be lumbering
they couldn't be lumbering	I couldn't have lumbered
you couldn't have lumbered
she couldn't have lumbered
we couldn't have lumbered
you couldn't have lumbered
they couldn't have lumbered	I couldn't have been lumbering
you couldn't have been lumbering
she couldn't have been lumbering
we couldn't have been lumbering
you couldn't have been lumbering
they couldn't have been lumbering	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I lumber?
could you lumber?
could she lumber?
could we lumber?
could you lumber?
could they lumber? 	could I be lumbering?
could you be lumbering?
could she be lumbering?
could we be lumbering?
could you be lumbering?
could they be lumbering? 	could I have lumbered?
could you have lumbered?
could she have lumbered?
could we have lumbered?
could you have lumbered?
could they have lumbered? 	could I have been lumbering?
could you have been lumbering?
could she have been lumbering?
could we have been lumbering?
could you have been lumbering?
could they have been lumbering? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I lumber?
couldn't you lumber?
couldn't she lumber?
couldn't we lumber?
couldn't you lumber?
couldn't they lumber? 	couldn't I be lumbering?
couldn't you be lumbering?
couldn't she be lumbering?
couldn't we be lumbering?
couldn't you be lumbering?
couldn't they be lumbering? 	couldn't I have lumbered?
couldn't you have lumbered?
couldn't she have lumbered?
couldn't we have lumbered?
couldn't you have lumbered?
couldn't they have lumbered? 	couldn't I have been lumbering?
couldn't you have been lumbering?
couldn't she have been lumbering?
couldn't we have been lumbering?
couldn't you have been lumbering?
couldn't they have been lumbering?