could renumber
Regular verb: renumber - renumbered- renumbered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could renumber
you could renumber
he could renumber
we could renumber
you could renumber
they could renumber 	I could be renumbering
you could be renumbering
he could be renumbering
we could be renumbering
you could be renumbering
they could be renumbering	I could have renumbered
you could have renumbered
he could have renumbered
we could have renumbered
you could have renumbered
they could have renumbered	I could have been renumbering
you could have been renumbering
he could have been renumbering
we could have been renumbering
you could have been renumbering
they could have been renumbering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't renumber
you couldn't renumber
he couldn't renumber
we couldn't renumber
you couldn't renumber
they couldn't renumber 	I couldn't be renumbering
you couldn't be renumbering
he couldn't be renumbering
we couldn't be renumbering
you couldn't be renumbering
they couldn't be renumbering	I couldn't have renumbered
you couldn't have renumbered
he couldn't have renumbered
we couldn't have renumbered
you couldn't have renumbered
they couldn't have renumbered	I couldn't have been renumbering
you couldn't have been renumbering
he couldn't have been renumbering
we couldn't have been renumbering
you couldn't have been renumbering
they couldn't have been renumbering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I renumber?
could you renumber?
could he renumber?
could we renumber?
could you renumber?
could they renumber? 	could I be renumbering?
could you be renumbering?
could he be renumbering?
could we be renumbering?
could you be renumbering?
could they be renumbering? 	could I have renumbered?
could you have renumbered?
could he have renumbered?
could we have renumbered?
could you have renumbered?
could they have renumbered? 	could I have been renumbering?
could you have been renumbering?
could he have been renumbering?
could we have been renumbering?
could you have been renumbering?
could they have been renumbering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I renumber?
couldn't you renumber?
couldn't he renumber?
couldn't we renumber?
couldn't you renumber?
couldn't they renumber? 	couldn't I be renumbering?
couldn't you be renumbering?
couldn't he be renumbering?
couldn't we be renumbering?
couldn't you be renumbering?
couldn't they be renumbering? 	couldn't I have renumbered?
couldn't you have renumbered?
couldn't he have renumbered?
couldn't we have renumbered?
couldn't you have renumbered?
couldn't they have renumbered? 	couldn't I have been renumbering?
couldn't you have been renumbering?
couldn't he have been renumbering?
couldn't we have been renumbering?
couldn't you have been renumbering?
couldn't they have been renumbering?