I could own you could own she could own we could own you could own they could own
Forma com V-ing
I could be owning you could be owning she could be owning we could be owning you could be owning they could be owning
Perfeito
I could have owned you could have owned she could have owned we could have owned you could have owned they could have owned
Perfeito com V-ing
I could have been owning you could have been owning she could have been owning we could have been owning you could have been owning they could have been owning
Negação
Forma simple
I could not own you could not own she could not own we could not own you could not own they could not own
Forma com V-ing
I could not be owning you could not be owning she could not be owning we could not be owning you could not be owning they could not be owning
Perfeito
I could not have owned you could not have owned she could not have owned we could not have owned you could not have owned they could not have owned
Perfeito com V-ing
I could not have been owning you could not have been owning she could not have been owning we could not have been owning you could not have been owning they could not have been owning
Forma interrogativa
Forma simple
could I own? could you own? could she own? could we own? could you own? could they own?
Forma com V-ing
could I be owning? could you be owning? could she be owning? could we be owning? could you be owning? could they be owning?
Perfeito
could I have owned? could you have owned? could she have owned? could we have owned? could you have owned? could they have owned?
Perfeito com V-ing
could I have been owning? could you have been owning? could she have been owning? could we have been owning? could you have been owning? could they have been owning?
Forma interro-Negação
Forma simple
could I not own? could you not own? could she not own? could we not own? could you not own? could they not own?
Forma com V-ing
could I not be owning? could you not be owning? could she not be owning? could we not be owning? could you not be owning? could they not be owning?
Perfeito
could I not have owned? could you not have owned? could she not have owned? could we not have owned? could you not have owned? could they not have owned?
Perfeito com V-ing
could I not have been owning? could you not have been owning? could she not have been owning? could we not have been owning? could you not have been owning? could they not have been owning?