I ought to duel you ought to duel he ought to duel we ought to duel you ought to duel they ought to duel
V-ing form
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
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
V-ing perfect
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
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
V-ing form
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
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
V-ing perfect
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
ought to I duel? ought to you duel? ought to he duel? ought to we duel? ought to you duel? ought to they duel?
V-ing form
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
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?
V-ing perfect
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
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?
V-ing form
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
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?
V-ing perfect
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?