Conjugación del verbo inglés
COULD CUBE

Verbo regular: cube - cubed - cubed

Afirmación

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

Negación

Forma simple	Forma con V-ing
I could not cube you could not cube he could not cube we could not cube you could not cube they could not cube	I could not be cubing you could not be cubing he could not be cubing we could not be cubing you could not be cubing they could not be cubing
Perfecto	Perfecto con V-ing
I could not have cubed you could not have cubed he could not have cubed we could not have cubed you could not have cubed they could not have cubed	I could not have been cubing you could not have been cubing he could not have been cubing we could not have been cubing you could not have been cubing they could not have been cubing

Forma interrogativa

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

Forma interro-negativa

Forma simple	Forma con V-ing
could I not cube? could you not cube? could he not cube? could we not cube? could you not cube? could they not cube?	could I not be cubing? could you not be cubing? could he not be cubing? could we not be cubing? could you not be cubing? could they not be cubing?
Perfecto	Perfecto con V-ing
could I not have cubed? could you not have cubed? could he not have cubed? could we not have cubed? could you not have cubed? could they not have cubed?	could I not have been cubing? could you not have been cubing? could he not have been cubing? could we not have been cubing? could you not have been cubing? could they not have been cubing?