can cube
Verbo regular: cube - cubed- cubed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can cube
you can cube
he can cube
we can cube
you can cube
they can cube 	I can be cubing
you can be cubing
he can be cubing
we can be cubing
you can be cubing
they can be cubing	I can have cubed
you can have cubed
he can have cubed
we can have cubed
you can have cubed
they can have cubed	I can have been cubing
you can have been cubing
he can have been cubing
we can have been cubing
you can have been cubing
they can have been cubing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can't cube
you can't cube
he can't cube
we can't cube
you can't cube
they can't cube 	I can't be cubing
you can't be cubing
he can't be cubing
we can't be cubing
you can't be cubing
they can't be cubing	I can't have cubed
you can't have cubed
he can't have cubed
we can't have cubed
you can't have cubed
they can't have cubed	I can't have been cubing
you can't have been cubing
he can't have been cubing
we can't have been cubing
you can't have been cubing
they can't have been cubing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I cube?
can you cube?
can he cube?
can we cube?
can you cube?
can they cube? 	can I be cubing?
can you be cubing?
can he be cubing?
can we be cubing?
can you be cubing?
can they be cubing? 	can I have cubed?
can you have cubed?
can he have cubed?
can we have cubed?
can you have cubed?
can they have cubed? 	can I have been cubing?
can you have been cubing?
can he have been cubing?
can we have been cubing?
can you have been cubing?
can they have been cubing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can't I cube?
can't you cube?
can't he cube?
can't we cube?
can't you cube?
can't they cube? 	can't I be cubing?
can't you be cubing?
can't he be cubing?
can't we be cubing?
can't you be cubing?
can't they be cubing? 	can't I have cubed?
can't you have cubed?
can't he have cubed?
can't we have cubed?
can't you have cubed?
can't they have cubed? 	can't I have been cubing?
can't you have been cubing?
can't he have been cubing?
can't we have been cubing?
can't you have been cubing?
can't they have been cubing?