I could planish you could planish she could planish we could planish you could planish they could planish
Forma con V-ing
I could be planishing you could be planishing she could be planishing we could be planishing you could be planishing they could be planishing
Perfecto
I could have planished you could have planished she could have planished we could have planished you could have planished they could have planished
Perfecto con V-ing
I could have been planishing you could have been planishing she could have been planishing we could have been planishing you could have been planishing they could have been planishing
Negación
Forma simple
I could not planish you could not planish she could not planish we could not planish you could not planish they could not planish
Forma con V-ing
I could not be planishing you could not be planishing she could not be planishing we could not be planishing you could not be planishing they could not be planishing
Perfecto
I could not have planished you could not have planished she could not have planished we could not have planished you could not have planished they could not have planished
Perfecto con V-ing
I could not have been planishing you could not have been planishing she could not have been planishing we could not have been planishing you could not have been planishing they could not have been planishing
Forma interrogativa
Forma simple
could I planish? could you planish? could she planish? could we planish? could you planish? could they planish?
Forma con V-ing
could I be planishing? could you be planishing? could she be planishing? could we be planishing? could you be planishing? could they be planishing?
Perfecto
could I have planished? could you have planished? could she have planished? could we have planished? could you have planished? could they have planished?
Perfecto con V-ing
could I have been planishing? could you have been planishing? could she have been planishing? could we have been planishing? could you have been planishing? could they have been planishing?
Forma interro-negativa
Forma simple
could I not planish? could you not planish? could she not planish? could we not planish? could you not planish? could they not planish?
Forma con V-ing
could I not be planishing? could you not be planishing? could she not be planishing? could we not be planishing? could you not be planishing? could they not be planishing?
Perfecto
could I not have planished? could you not have planished? could she not have planished? could we not have planished? could you not have planished? could they not have planished?
Perfecto con V-ing
could I not have been planishing? could you not have been planishing? could she not have been planishing? could we not have been planishing? could you not have been planishing? could they not have been planishing?