must 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 must duel
you must duel
she must duel
we must duel
you must duel
they must duel 	I must be dueling
you must be dueling
she must be dueling
we must be dueling
you must be dueling
they must be dueling	I must have dueled
you must have dueled
she must have dueled
we must have dueled
you must have dueled
they must have dueled	I must have been dueling
you must have been dueling
she must have been dueling
we must have been dueling
you must have been dueling
they must have been dueling	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't duel
you mustn't duel
she mustn't duel
we mustn't duel
you mustn't duel
they mustn't duel 	I mustn't be dueling
you mustn't be dueling
she mustn't be dueling
we mustn't be dueling
you mustn't be dueling
they mustn't be dueling	I mustn't have dueled
you mustn't have dueled
she mustn't have dueled
we mustn't have dueled
you mustn't have dueled
they mustn't have dueled	I mustn't have been dueling
you mustn't have been dueling
she mustn't have been dueling
we mustn't have been dueling
you mustn't have been dueling
they mustn't have been dueling	

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

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I duel?
mustn't you duel?
mustn't she duel?
mustn't we duel?
mustn't you duel?
mustn't they duel? 	mustn't I be dueling?
mustn't you be dueling?
mustn't she be dueling?
mustn't we be dueling?
mustn't you be dueling?
mustn't they be dueling? 	mustn't I have dueled?
mustn't you have dueled?
mustn't she have dueled?
mustn't we have dueled?
mustn't you have dueled?
mustn't they have dueled? 	mustn't I have been dueling?
mustn't you have been dueling?
mustn't she have been dueling?
mustn't we have been dueling?
mustn't you have been dueling?
mustn't they have been dueling?