should cube
Verbo regular: cube - cubed- cubed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I'd cube
you'd cube
he'd cube
we'd cube
you'd cube
they'd cube 	I'd be cubing
you'd be cubing
he'd be cubing
we'd be cubing
you'd be cubing
they'd be cubing	I should've cubed
you should've cubed
he should've cubed
we should've cubed
you should've cubed
they should've cubed	I should've been cubing
you should've been cubing
he should've been cubing
we should've been cubing
you should've been cubing
they should've been cubing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I shouldn't cube
you shouldn't cube
he shouldn't cube
we shouldn't cube
you shouldn't cube
they shouldn't cube 	I shouldn't be cubing
you shouldn't be cubing
he shouldn't be cubing
we shouldn't be cubing
you shouldn't be cubing
they shouldn't be cubing	I shouldn't have cubed
you shouldn't have cubed
he shouldn't have cubed
we shouldn't have cubed
you shouldn't have cubed
they shouldn't have cubed	I shouldn't have been cubing
you shouldn't have been cubing
he shouldn't have been cubing
we shouldn't have been cubing
you shouldn't have been cubing
they shouldn't have been cubing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I cube?
should you cube?
should he cube?
should we cube?
should you cube?
should they cube? 	should I be cubing?
should you be cubing?
should he be cubing?
should we be cubing?
should you be cubing?
should they be cubing? 	should I have cubed?
should you have cubed?
should he have cubed?
should we have cubed?
should you have cubed?
should they have cubed? 	should I have been cubing?
should you have been cubing?
should he have been cubing?
should we have been cubing?
should you have been cubing?
should they have been cubing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
shouldn't I cube?
shouldn't you cube?
shouldn't he cube?
shouldn't we cube?
shouldn't you cube?
shouldn't they cube? 	shouldn't I be cubing?
shouldn't you be cubing?
shouldn't he be cubing?
shouldn't we be cubing?
shouldn't you be cubing?
shouldn't they be cubing? 	shouldn't I have cubed?
shouldn't you have cubed?
shouldn't he have cubed?
shouldn't we have cubed?
shouldn't you have cubed?
shouldn't they have cubed? 	shouldn't I have been cubing?
shouldn't you have been cubing?
shouldn't he have been cubing?
shouldn't we have been cubing?
shouldn't you have been cubing?
shouldn't they have been cubing?