could duel
Verbe régulier : duel - dueled- dueled
Traduction française : se battre en duel 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could duel
you could duel
he could duel
we could duel
you could duel
they could duel 	I could be dueling
you could be dueling
he could be dueling
we could be dueling
you could be dueling
they could be dueling	I could have dueled
you could have dueled
he could have dueled
we could have dueled
you could have dueled
they could have dueled	I could have been dueling
you could have been dueling
he could have been dueling
we could have been dueling
you could have been dueling
they could have been dueling	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not duel
you could not duel
he could not duel
we could not duel
you could not duel
they could not duel 	I could not be dueling
you could not be dueling
he could not be dueling
we could not be dueling
you could not be dueling
they could not be dueling	I could not have dueled
you could not have dueled
he could not have dueled
we could not have dueled
you could not have dueled
they could not have dueled	I could not have been dueling
you could not have been dueling
he could not have been dueling
we could not have been dueling
you could not have been dueling
they could not have been dueling	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I duel?
could you duel?
could he duel?
could we duel?
could you duel?
could they duel? 	could I be dueling?
could you be dueling?
could he be dueling?
could we be dueling?
could you be dueling?
could they be dueling? 	could I have dueled?
could you have dueled?
could he have dueled?
could we have dueled?
could you have dueled?
could they have dueled? 	could I have been dueling?
could you have been dueling?
could he have been dueling?
could we have been dueling?
could you have been dueling?
could they have been dueling? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not duel?
could you not duel?
could he not duel?
could we not duel?
could you not duel?
could they not duel? 	could I not be dueling?
could you not be dueling?
could he not be dueling?
could we not be dueling?
could you not be dueling?
could they not be dueling? 	could I not have dueled?
could you not have dueled?
could he not have dueled?
could we not have dueled?
could you not have dueled?
could they not have dueled? 	could I not have been dueling?
could you not have been dueling?
could he not have been dueling?
could we not have been dueling?
could you not have been dueling?
could they not have been dueling?