I'd be dueling you'd be dueling he'd be dueling we'd be dueling you'd be dueling they'd be dueling
Perfect
I should've dueled you should've dueled he should've dueled we should've dueled you should've dueled they should've dueled
V-ing perfect
I should've been dueling you should've been dueling he should've been dueling we should've been dueling you should've been dueling they should've been dueling
Negation
Simple form
I shouldn't duel you shouldn't duel he shouldn't duel we shouldn't duel you shouldn't duel they shouldn't duel
V-ing form
I shouldn't be dueling you shouldn't be dueling he shouldn't be dueling we shouldn't be dueling you shouldn't be dueling they shouldn't be dueling
Perfect
I shouldn't have dueled you shouldn't have dueled he shouldn't have dueled we shouldn't have dueled you shouldn't have dueled they shouldn't have dueled
V-ing perfect
I shouldn't have been dueling you shouldn't have been dueling he shouldn't have been dueling we shouldn't have been dueling you shouldn't have been dueling they shouldn't have been dueling
Interrogative form
Simple form
should I duel? should you duel? should he duel? should we duel? should you duel? should they duel?
V-ing form
should I be dueling? should you be dueling? should he be dueling? should we be dueling? should you be dueling? should they be dueling?
Perfect
should I have dueled? should you have dueled? should he 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 he have been dueling? should we have been dueling? should you have been dueling? should they have been dueling?
Interro-negative form
Simple form
shouldn't I duel? shouldn't you duel? shouldn't he duel? shouldn't we duel? shouldn't you duel? shouldn't they duel?
V-ing form
shouldn't I be dueling? shouldn't you be dueling? shouldn't he be dueling? shouldn't we be dueling? shouldn't you be dueling? shouldn't they be dueling?
Perfect
shouldn't I have dueled? shouldn't you have dueled? shouldn't he have dueled? shouldn't we have dueled? shouldn't you have dueled? shouldn't they have dueled?
V-ing perfect
shouldn't I have been dueling? shouldn't you have been dueling? shouldn't he have been dueling? shouldn't we have been dueling? shouldn't you have been dueling? shouldn't they have been dueling?