could promise
Verbo regular: promise - promised- promised

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com 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	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	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com 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	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 com V-ing 	Perfeito 	Perfeito com 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? 	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-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com 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? 	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?