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 cannot duel you cannot duel he cannot duel we cannot duel you cannot duel they cannot duel	I cannot be dueling you cannot be dueling he cannot be dueling we cannot be dueling you cannot be dueling they cannot be dueling
Perfecto	Perfecto con V-ing
I cannot have dueled you cannot have dueled he cannot have dueled we cannot have dueled you cannot have dueled they cannot have dueled	I cannot have been dueling you cannot have been dueling he cannot have been dueling we cannot have been dueling you cannot have been dueling they cannot 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 I not duel? can you not duel? can he not duel? can we not duel? can you not duel? can they not duel?	can I not be dueling? can you not be dueling? can he not be dueling? can we not be dueling? can you not be dueling? can they not be dueling?
Perfecto	Perfecto con V-ing
can I not have dueled? can you not have dueled? can he not have dueled? can we not have dueled? can you not have dueled? can they not have dueled?	can I not have been dueling? can you not have been dueling? can he not have been dueling? can we not have been dueling? can you not have been dueling? can they not have been dueling?