could cube
Verbo regolare: cube - cubed- cubed

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could cube
you could cube
she could cube
we could cube
you could cube
they could cube 	I could be cubing
you could be cubing
she could be cubing
we could be cubing
you could be cubing
they could be cubing	I could have cubed
you could have cubed
she could have cubed
we could have cubed
you could have cubed
they could have cubed	I could have been cubing
you could have been cubing
she could have been cubing
we could have been cubing
you could have been cubing
they could have been cubing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I couldn't cube
you couldn't cube
she couldn't cube
we couldn't cube
you couldn't cube
they couldn't cube 	I couldn't be cubing
you couldn't be cubing
she couldn't be cubing
we couldn't be cubing
you couldn't be cubing
they couldn't be cubing	I couldn't have cubed
you couldn't have cubed
she couldn't have cubed
we couldn't have cubed
you couldn't have cubed
they couldn't have cubed	I couldn't have been cubing
you couldn't have been cubing
she couldn't have been cubing
we couldn't have been cubing
you couldn't have been cubing
they couldn't have been cubing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I cube?
could you cube?
could she cube?
could we cube?
could you cube?
could they cube? 	could I be cubing?
could you be cubing?
could she be cubing?
could we be cubing?
could you be cubing?
could they be cubing? 	could I have cubed?
could you have cubed?
could she have cubed?
could we have cubed?
could you have cubed?
could they have cubed? 	could I have been cubing?
could you have been cubing?
could she have been cubing?
could we have been cubing?
could you have been cubing?
could they have been cubing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
couldn't I cube?
couldn't you cube?
couldn't she cube?
couldn't we cube?
couldn't you cube?
couldn't they cube? 	couldn't I be cubing?
couldn't you be cubing?
couldn't she be cubing?
couldn't we be cubing?
couldn't you be cubing?
couldn't they be cubing? 	couldn't I have cubed?
couldn't you have cubed?
couldn't she have cubed?
couldn't we have cubed?
couldn't you have cubed?
couldn't they have cubed? 	couldn't I have been cubing?
couldn't you have been cubing?
couldn't she have been cubing?
couldn't we have been cubing?
couldn't you have been cubing?
couldn't they have been cubing?