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