could copper
Verbe régulier : copper - coppered- coppered

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could copper
you could copper
he could copper
we could copper
you could copper
they could copper 	I could be coppering
you could be coppering
he could be coppering
we could be coppering
you could be coppering
they could be coppering	I could have coppered
you could have coppered
he could have coppered
we could have coppered
you could have coppered
they could have coppered	I could have been coppering
you could have been coppering
he could have been coppering
we could have been coppering
you could have been coppering
they could have been coppering	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't copper
you couldn't copper
he couldn't copper
we couldn't copper
you couldn't copper
they couldn't copper 	I couldn't be coppering
you couldn't be coppering
he couldn't be coppering
we couldn't be coppering
you couldn't be coppering
they couldn't be coppering	I couldn't have coppered
you couldn't have coppered
he couldn't have coppered
we couldn't have coppered
you couldn't have coppered
they couldn't have coppered	I couldn't have been coppering
you couldn't have been coppering
he couldn't have been coppering
we couldn't have been coppering
you couldn't have been coppering
they couldn't have been coppering	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I copper?
could you copper?
could he copper?
could we copper?
could you copper?
could they copper? 	could I be coppering?
could you be coppering?
could he be coppering?
could we be coppering?
could you be coppering?
could they be coppering? 	could I have coppered?
could you have coppered?
could he have coppered?
could we have coppered?
could you have coppered?
could they have coppered? 	could I have been coppering?
could you have been coppering?
could he have been coppering?
could we have been coppering?
could you have been coppering?
could they have been coppering? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I copper?
couldn't you copper?
couldn't he copper?
couldn't we copper?
couldn't you copper?
couldn't they copper? 	couldn't I be coppering?
couldn't you be coppering?
couldn't he be coppering?
couldn't we be coppering?
couldn't you be coppering?
couldn't they be coppering? 	couldn't I have coppered?
couldn't you have coppered?
couldn't he have coppered?
couldn't we have coppered?
couldn't you have coppered?
couldn't they have coppered? 	couldn't I have been coppering?
couldn't you have been coppering?
couldn't he have been coppering?
couldn't we have been coppering?
couldn't you have been coppering?
couldn't they have been coppering?