should sever
Verbo regular: sever - severed- severed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I'd sever
you'd sever
he'd sever
we'd sever
you'd sever
they'd sever 	I'd be severing
you'd be severing
he'd be severing
we'd be severing
you'd be severing
they'd be severing	I should've severed
you should've severed
he should've severed
we should've severed
you should've severed
they should've severed	I should've been severing
you should've been severing
he should've been severing
we should've been severing
you should've been severing
they should've been severing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I shouldn't sever
you shouldn't sever
he shouldn't sever
we shouldn't sever
you shouldn't sever
they shouldn't sever 	I shouldn't be severing
you shouldn't be severing
he shouldn't be severing
we shouldn't be severing
you shouldn't be severing
they shouldn't be severing	I shouldn't have severed
you shouldn't have severed
he shouldn't have severed
we shouldn't have severed
you shouldn't have severed
they shouldn't have severed	I shouldn't have been severing
you shouldn't have been severing
he shouldn't have been severing
we shouldn't have been severing
you shouldn't have been severing
they shouldn't have been severing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I sever?
should you sever?
should he sever?
should we sever?
should you sever?
should they sever? 	should I be severing?
should you be severing?
should he be severing?
should we be severing?
should you be severing?
should they be severing? 	should I have severed?
should you have severed?
should he have severed?
should we have severed?
should you have severed?
should they have severed? 	should I have been severing?
should you have been severing?
should he have been severing?
should we have been severing?
should you have been severing?
should they have been severing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
shouldn't I sever?
shouldn't you sever?
shouldn't he sever?
shouldn't we sever?
shouldn't you sever?
shouldn't they sever? 	shouldn't I be severing?
shouldn't you be severing?
shouldn't he be severing?
shouldn't we be severing?
shouldn't you be severing?
shouldn't they be severing? 	shouldn't I have severed?
shouldn't you have severed?
shouldn't he have severed?
shouldn't we have severed?
shouldn't you have severed?
shouldn't they have severed? 	shouldn't I have been severing?
shouldn't you have been severing?
shouldn't he have been severing?
shouldn't we have been severing?
shouldn't you have been severing?
shouldn't they have been severing?