should besiege
Regular verb: besiege - besieged- besieged

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