should besiege
Regular verb: besiege - besieged- besieged

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