could poison
Verbe régulier : poison - poisoned- poisoned
Traduction française : empoisonner - envenimer 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could poison
you could poison
he could poison
we could poison
you could poison
they could poison 	I could be poisoning
you could be poisoning
he could be poisoning
we could be poisoning
you could be poisoning
they could be poisoning	I could have poisoned
you could have poisoned
he could have poisoned
we could have poisoned
you could have poisoned
they could have poisoned	I could have been poisoning
you could have been poisoning
he could have been poisoning
we could have been poisoning
you could have been poisoning
they could have been poisoning	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't poison
you couldn't poison
he couldn't poison
we couldn't poison
you couldn't poison
they couldn't poison 	I couldn't be poisoning
you couldn't be poisoning
he couldn't be poisoning
we couldn't be poisoning
you couldn't be poisoning
they couldn't be poisoning	I couldn't have poisoned
you couldn't have poisoned
he couldn't have poisoned
we couldn't have poisoned
you couldn't have poisoned
they couldn't have poisoned	I couldn't have been poisoning
you couldn't have been poisoning
he couldn't have been poisoning
we couldn't have been poisoning
you couldn't have been poisoning
they couldn't have been poisoning	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I poison?
could you poison?
could he poison?
could we poison?
could you poison?
could they poison? 	could I be poisoning?
could you be poisoning?
could he be poisoning?
could we be poisoning?
could you be poisoning?
could they be poisoning? 	could I have poisoned?
could you have poisoned?
could he have poisoned?
could we have poisoned?
could you have poisoned?
could they have poisoned? 	could I have been poisoning?
could you have been poisoning?
could he have been poisoning?
could we have been poisoning?
could you have been poisoning?
could they have been poisoning? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I poison?
couldn't you poison?
couldn't he poison?
couldn't we poison?
couldn't you poison?
couldn't they poison? 	couldn't I be poisoning?
couldn't you be poisoning?
couldn't he be poisoning?
couldn't we be poisoning?
couldn't you be poisoning?
couldn't they be poisoning? 	couldn't I have poisoned?
couldn't you have poisoned?
couldn't he have poisoned?
couldn't we have poisoned?
couldn't you have poisoned?
couldn't they have poisoned? 	couldn't I have been poisoning?
couldn't you have been poisoning?
couldn't he have been poisoning?
couldn't we have been poisoning?
couldn't you have been poisoning?
couldn't they have been poisoning?