I could carve you could carve he could carve we could carve you could carve they could carve
Forma con V-ing
I could be carving you could be carving he could be carving we could be carving you could be carving they could be carving
Perfecto
I could have carved you could have carved he could have carved we could have carved you could have carved they could have carved
Perfecto con V-ing
I could have been carving you could have been carving he could have been carving we could have been carving you could have been carving they could have been carving
Negación
Forma simple
I couldn't carve you couldn't carve he couldn't carve we couldn't carve you couldn't carve they couldn't carve
Forma con V-ing
I couldn't be carving you couldn't be carving he couldn't be carving we couldn't be carving you couldn't be carving they couldn't be carving
Perfecto
I couldn't have carved you couldn't have carved he couldn't have carved we couldn't have carved you couldn't have carved they couldn't have carved
Perfecto con V-ing
I couldn't have been carving you couldn't have been carving he couldn't have been carving we couldn't have been carving you couldn't have been carving they couldn't have been carving
Forma interrogativa
Forma simple
could I carve? could you carve? could he carve? could we carve? could you carve? could they carve?
Forma con V-ing
could I be carving? could you be carving? could he be carving? could we be carving? could you be carving? could they be carving?
Perfecto
could I have carved? could you have carved? could he have carved? could we have carved? could you have carved? could they have carved?
Perfecto con V-ing
could I have been carving? could you have been carving? could he have been carving? could we have been carving? could you have been carving? could they have been carving?
Forma interro-negativa
Forma simple
couldn't I carve? couldn't you carve? couldn't he carve? couldn't we carve? couldn't you carve? couldn't they carve?
Forma con V-ing
couldn't I be carving? couldn't you be carving? couldn't he be carving? couldn't we be carving? couldn't you be carving? couldn't they be carving?
Perfecto
couldn't I have carved? couldn't you have carved? couldn't he have carved? couldn't we have carved? couldn't you have carved? couldn't they have carved?
Perfecto con V-ing
couldn't I have been carving? couldn't you have been carving? couldn't he have been carving? couldn't we have been carving? couldn't you have been carving? couldn't they have been carving?