may duel
Verbo regular: duel - dueled- dueled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
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	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mayn't duel
you mayn't duel
he mayn't duel
we mayn't duel
you mayn't duel
they mayn't duel 	I mayn't be dueling
you mayn't be dueling
he mayn't be dueling
we mayn't be dueling
you mayn't be dueling
they mayn't be dueling	I mayn't have dueled
you mayn't have dueled
he mayn't have dueled
we mayn't have dueled
you mayn't have dueled
they mayn't have dueled	I mayn't have been dueling
you mayn't have been dueling
he mayn't have been dueling
we mayn't have been dueling
you mayn't have been dueling
they mayn't have been dueling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
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? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mayn't I duel?
mayn't you duel?
mayn't he duel?
mayn't we duel?
mayn't you duel?
mayn't they duel? 	mayn't I be dueling?
mayn't you be dueling?
mayn't he be dueling?
mayn't we be dueling?
mayn't you be dueling?
mayn't they be dueling? 	mayn't I have dueled?
mayn't you have dueled?
mayn't he have dueled?
mayn't we have dueled?
mayn't you have dueled?
mayn't they have dueled? 	mayn't I have been dueling?
mayn't you have been dueling?
mayn't he have been dueling?
mayn't we have been dueling?
mayn't you have been dueling?
mayn't they have been dueling?