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 couldn't cube you couldn't cube he 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 he couldn't be cubing we couldn't be cubing you couldn't be cubing they couldn't be cubing
Perfecto	Perfecto con V-ing
I couldn't have cubed you couldn't have cubed he 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 he 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 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
couldn't I cube? couldn't you cube? couldn't he 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 he be cubing? couldn't we be cubing? couldn't you be cubing? couldn't they be cubing?
Perfecto	Perfecto con V-ing
couldn't I have cubed? couldn't you have cubed? couldn't he 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 he have been cubing? couldn't we have been cubing? couldn't you have been cubing? couldn't they have been cubing?