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