Conjugación del verbo inglés
COULD PROMISE

Verbo regular: promise - promised - promised

Afirmación

Forma simple	Forma con V-ing
I could promise you could promise he could promise we could promise you could promise they could promise	I could be promising you could be promising he 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 he 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 he 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 he 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 he 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 he 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 he 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 he promise? could we promise? could you promise? could they promise?	could I be promising? could you be promising? could he 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 he 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 he 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 he 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 he 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 he 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 he have been promising? couldn't we have been promising? couldn't you have been promising? couldn't they have been promising?