may duel
Regular verb: duel - dueled- dueled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may duel
you may duel
he may duel
we may duel
you may duel
they may duel 	I may be dueling
you may be dueling
he may be dueling
we may be dueling
you may be dueling
they may be dueling	I may have dueled
you may have dueled
he may have dueled
we may have dueled
you may have dueled
they may have dueled	I may have been dueling
you may have been dueling
he may have been dueling
we may have been dueling
you may have been dueling
they may have been dueling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may not duel
you may not duel
he may not duel
we may not duel
you may not duel
they may not duel 	I may not be dueling
you may not be dueling
he may not be dueling
we may not be dueling
you may not be dueling
they may not be dueling	I may not have dueled
you may not have dueled
he may not have dueled
we may not have dueled
you may not have dueled
they may not have dueled	I may not have been dueling
you may not have been dueling
he may not have been dueling
we may not have been dueling
you may not have been dueling
they may not have been dueling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I duel?
may you duel?
may he duel?
may we duel?
may you duel?
may they duel? 	may I be dueling?
may you be dueling?
may he be dueling?
may we be dueling?
may you be dueling?
may they be dueling? 	may I have dueled?
may you have dueled?
may he have dueled?
may we have dueled?
may you have dueled?
may they have dueled? 	may I have been dueling?
may you have been dueling?
may he have been dueling?
may we have been dueling?
may you have been dueling?
may they have been dueling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I not duel?
may you not duel?
may he not duel?
may we not duel?
may you not duel?
may they not duel? 	may I not be dueling?
may you not be dueling?
may he not be dueling?
may we not be dueling?
may you not be dueling?
may they not be dueling? 	may I not have dueled?
may you not have dueled?
may he not have dueled?
may we not have dueled?
may you not have dueled?
may they not have dueled? 	may I not have been dueling?
may you not have been dueling?
may he not have been dueling?
may we not have been dueling?
may you not have been dueling?
may they not have been dueling?