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