English verb conjugation
OUGHT TO DUEL

Regular verb: duel - dueled - dueled

Affirmation

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

Negation

Simple form	V-ing form
I oughtn't to duel you oughtn't to duel he oughtn't to duel we oughtn't to duel you oughtn't to duel they oughtn't to duel	I oughtn't to be dueling you oughtn't to be dueling he oughtn't to be dueling we oughtn't to be dueling you oughtn't to be dueling they oughtn't to be dueling
Perfect	V-ing perfect
I oughtn't to have dueled you oughtn't to have dueled he oughtn't to have dueled we oughtn't to have dueled you oughtn't to have dueled they oughtn't to have dueled	I oughtn't to have been dueling you oughtn't to have been dueling he oughtn't to have been dueling we oughtn't to have been dueling you oughtn't to have been dueling they oughtn't to have been dueling

Interrogative form

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

Interro-negative form

Simple form	V-ing form
oughtn't I to duel? oughtn't you to duel? oughtn't he to duel? oughtn't we to duel? oughtn't you to duel? oughtn't they to duel?	oughtn't I to be dueling? oughtn't you to be dueling? oughtn't he to be dueling? oughtn't we to be dueling? oughtn't you to be dueling? oughtn't they to be dueling?
Perfect	V-ing perfect
oughtn't I to have dueled? oughtn't you to have dueled? oughtn't he to have dueled? oughtn't we to have dueled? oughtn't you to have dueled? oughtn't they to have dueled?	oughtn't I to have been dueling? oughtn't you to have been dueling? oughtn't he to have been dueling? oughtn't we to have been dueling? oughtn't you to have been dueling? oughtn't they to have been dueling?