Conjugación del verbo inglés
CAN DUEL

Verbo regular: duel - dueled - dueled

Afirmación

Forma simple	Forma con V-ing
I can duel you can duel he can duel we can duel you can duel they can duel	I can be dueling you can be dueling he can be dueling we can be dueling you can be dueling they can be dueling
Perfecto	Perfecto con V-ing
I can have dueled you can have dueled he can have dueled we can have dueled you can have dueled they can have dueled	I can have been dueling you can have been dueling he can have been dueling we can have been dueling you can have been dueling they can have been dueling

Negación

Forma simple	Forma con V-ing
I can't duel you can't duel he can't duel we can't duel you can't duel they can't duel	I can't be dueling you can't be dueling he can't be dueling we can't be dueling you can't be dueling they can't be dueling
Perfecto	Perfecto con V-ing
I can't have dueled you can't have dueled he can't have dueled we can't have dueled you can't have dueled they can't have dueled	I can't have been dueling you can't have been dueling he can't have been dueling we can't have been dueling you can't have been dueling they can't have been dueling

Forma interrogativa

Forma simple	Forma con V-ing
can I duel? can you duel? can he duel? can we duel? can you duel? can they duel?	can I be dueling? can you be dueling? can he be dueling? can we be dueling? can you be dueling? can they be dueling?
Perfecto	Perfecto con V-ing
can I have dueled? can you have dueled? can he have dueled? can we have dueled? can you have dueled? can they have dueled?	can I have been dueling? can you have been dueling? can he have been dueling? can we have been dueling? can you have been dueling? can they have been dueling?

Forma interro-negativa

Forma simple	Forma con V-ing
can't I duel? can't you duel? can't he duel? can't we duel? can't you duel? can't they duel?	can't I be dueling? can't you be dueling? can't he be dueling? can't we be dueling? can't you be dueling? can't they be dueling?
Perfecto	Perfecto con V-ing
can't I have dueled? can't you have dueled? can't he have dueled? can't we have dueled? can't you have dueled? can't they have dueled?	can't I have been dueling? can't you have been dueling? can't he have been dueling? can't we have been dueling? can't you have been dueling? can't they have been dueling?