Conjugación del verbo inglés
COULD PROMISE

Verbo regular: promise - promised - promised

Afirmación

Forma simple	Forma con V-ing
I could promise you could promise she could promise we could promise you could promise they could promise	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	Perfecto con V-ing
I could have promised you could have promised she could have promised we could have promised you could have promised they could have promised	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	Forma con V-ing
I couldn't promise you couldn't promise she couldn't promise we couldn't promise you couldn't promise they couldn't promise	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	Perfecto con V-ing
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	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	Forma con V-ing
could I promise? could you promise? could she promise? could we promise? could you promise? could they promise?	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	Perfecto con V-ing
could I have promised? could you have promised? could she have promised? could we have promised? could you have promised? could they have promised?	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	Forma con V-ing
couldn't I promise? couldn't you promise? couldn't she promise? couldn't we promise? couldn't you promise? couldn't they promise?	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	Perfecto con V-ing
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?	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?