I could promise you could promise she could promise we could promise you could promise they could promise
Forma con V-ing
I could be promising you could be promising she could be promising we could be promising you could be promising they could be promising
Perfecto
I could have promised you could have promised she could have promised we could have promised you could have promised they could have promised
Perfecto con V-ing
I could have been promising you could have been promising she could have been promising we could have been promising you could have been promising they could have been promising
Negación
Forma simple
I couldn't promise you couldn't promise she couldn't promise we couldn't promise you couldn't promise they couldn't promise
Forma con V-ing
I couldn't be promising you couldn't be promising she couldn't be promising we couldn't be promising you couldn't be promising they couldn't be promising
Perfecto
I couldn't have promised you couldn't have promised she couldn't have promised we couldn't have promised you couldn't have promised they couldn't have promised
Perfecto con V-ing
I couldn't have been promising you couldn't have been promising she couldn't have been promising we couldn't have been promising you couldn't have been promising they couldn't have been promising
Forma interrogativa
Forma simple
could I promise? could you promise? could she promise? could we promise? could you promise? could they promise?
Forma con V-ing
could I be promising? could you be promising? could she be promising? could we be promising? could you be promising? could they be promising?
Perfecto
could I have promised? could you have promised? could she have promised? could we have promised? could you have promised? could they have promised?
Perfecto con V-ing
could I have been promising? could you have been promising? could she have been promising? could we have been promising? could you have been promising? could they have been promising?
Forma interro-negativa
Forma simple
couldn't I promise? couldn't you promise? couldn't she promise? couldn't we promise? couldn't you promise? couldn't they promise?
Forma con V-ing
couldn't I be promising? couldn't you be promising? couldn't she be promising? couldn't we be promising? couldn't you be promising? couldn't they be promising?
Perfecto
couldn't I have promised? couldn't you have promised? couldn't she have promised? couldn't we have promised? couldn't you have promised? couldn't they have promised?
Perfecto con V-ing
couldn't I have been promising? couldn't you have been promising? couldn't she have been promising? couldn't we have been promising? couldn't you have been promising? couldn't they have been promising?