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
she could duel
we could duel
you could duel
they could duel 	I could be dueling
you could be dueling
she could be dueling
we could be dueling
you could be dueling
they could be dueling	I could have dueled
you could have dueled
she 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
she 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 couldn't duel
you couldn't duel
she couldn't duel
we couldn't duel
you couldn't duel
they couldn't duel 	I couldn't be dueling
you couldn't be dueling
she couldn't be dueling
we couldn't be dueling
you couldn't be dueling
they couldn't be dueling	I couldn't have dueled
you couldn't have dueled
she couldn't have dueled
we couldn't have dueled
you couldn't have dueled
they couldn't have dueled	I couldn't have been dueling
you couldn't have been dueling
she couldn't have been dueling
we couldn't have been dueling
you couldn't have been dueling
they couldn't have been dueling	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I duel?
could you duel?
could she duel?
could we duel?
could you duel?
could they duel? 	could I be dueling?
could you be dueling?
could she be dueling?
could we be dueling?
could you be dueling?
could they be dueling? 	could I have dueled?
could you have dueled?
could she 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 she 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 	
couldn't I duel?
couldn't you duel?
couldn't she duel?
couldn't we duel?
couldn't you duel?
couldn't they duel? 	couldn't I be dueling?
couldn't you be dueling?
couldn't she be dueling?
couldn't we be dueling?
couldn't you be dueling?
couldn't they be dueling? 	couldn't I have dueled?
couldn't you have dueled?
couldn't she have dueled?
couldn't we have dueled?
couldn't you have dueled?
couldn't they have dueled? 	couldn't I have been dueling?
couldn't you have been dueling?
couldn't she have been dueling?
couldn't we have been dueling?
couldn't you have been dueling?
couldn't they have been dueling?