I should duel you should duel she should duel we should duel you should duel they should duel
V-ing form
I should be dueling you should be dueling she should be dueling we should be dueling you should be dueling they should be dueling
Perfect
I should have dueled you should have dueled she should have dueled we should have dueled you should have dueled they should have dueled
V-ing perfect
I should have been dueling you should have been dueling she should have been dueling we should have been dueling you should have been dueling they should have been dueling
Negation
Simple form
I should not duel you should not duel she should not duel we should not duel you should not duel they should not duel
V-ing form
I should not be dueling you should not be dueling she should not be dueling we should not be dueling you should not be dueling they should not be dueling
Perfect
I should not have dueled you should not have dueled she should not have dueled we should not have dueled you should not have dueled they should not have dueled
V-ing perfect
I should not have been dueling you should not have been dueling she should not have been dueling we should not have been dueling you should not have been dueling they should not have been dueling
Interrogative form
Simple form
should I duel? should you duel? should she duel? should we duel? should you duel? should they duel?
V-ing form
should I be dueling? should you be dueling? should she be dueling? should we be dueling? should you be dueling? should they be dueling?
Perfect
should I have dueled? should you have dueled? should she have dueled? should we have dueled? should you have dueled? should they have dueled?
V-ing perfect
should I have been dueling? should you have been dueling? should she have been dueling? should we have been dueling? should you have been dueling? should they have been dueling?
Interro-negative form
Simple form
should I not duel? should you not duel? should she not duel? should we not duel? should you not duel? should they not duel?
V-ing form
should I not be dueling? should you not be dueling? should she not be dueling? should we not be dueling? should you not be dueling? should they not be dueling?
Perfect
should I not have dueled? should you not have dueled? should she not have dueled? should we not have dueled? should you not have dueled? should they not have dueled?
V-ing perfect
should I not have been dueling? should you not have been dueling? should she not have been dueling? should we not have been dueling? should you not have been dueling? should they not have been dueling?