should bur
Verbo regular: bur - bured- bured

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I'd bur
you'd bur
he'd bur
we'd bur
you'd bur
they'd bur 	I'd be buring
you'd be buring
he'd be buring
we'd be buring
you'd be buring
they'd be buring	I should've bured
you should've bured
he should've bured
we should've bured
you should've bured
they should've bured	I should've been buring
you should've been buring
he should've been buring
we should've been buring
you should've been buring
they should've been buring	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I shouldn't bur
you shouldn't bur
he shouldn't bur
we shouldn't bur
you shouldn't bur
they shouldn't bur 	I shouldn't be buring
you shouldn't be buring
he shouldn't be buring
we shouldn't be buring
you shouldn't be buring
they shouldn't be buring	I shouldn't have bured
you shouldn't have bured
he shouldn't have bured
we shouldn't have bured
you shouldn't have bured
they shouldn't have bured	I shouldn't have been buring
you shouldn't have been buring
he shouldn't have been buring
we shouldn't have been buring
you shouldn't have been buring
they shouldn't have been buring	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I bur?
should you bur?
should he bur?
should we bur?
should you bur?
should they bur? 	should I be buring?
should you be buring?
should he be buring?
should we be buring?
should you be buring?
should they be buring? 	should I have bured?
should you have bured?
should he have bured?
should we have bured?
should you have bured?
should they have bured? 	should I have been buring?
should you have been buring?
should he have been buring?
should we have been buring?
should you have been buring?
should they have been buring? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
shouldn't I bur?
shouldn't you bur?
shouldn't he bur?
shouldn't we bur?
shouldn't you bur?
shouldn't they bur? 	shouldn't I be buring?
shouldn't you be buring?
shouldn't he be buring?
shouldn't we be buring?
shouldn't you be buring?
shouldn't they be buring? 	shouldn't I have bured?
shouldn't you have bured?
shouldn't he have bured?
shouldn't we have bured?
shouldn't you have bured?
shouldn't they have bured? 	shouldn't I have been buring?
shouldn't you have been buring?
shouldn't he have been buring?
shouldn't we have been buring?
shouldn't you have been buring?
shouldn't they have been buring?