I could smother you could smother he could smother we could smother you could smother they could smother
Forma con V-ing
I could be smothering you could be smothering he could be smothering we could be smothering you could be smothering they could be smothering
Perfecto
I could have smothered you could have smothered he could have smothered we could have smothered you could have smothered they could have smothered
Perfecto con V-ing
I could have been smothering you could have been smothering he could have been smothering we could have been smothering you could have been smothering they could have been smothering
Negación
Forma simple
I could not smother you could not smother he could not smother we could not smother you could not smother they could not smother
Forma con V-ing
I could not be smothering you could not be smothering he could not be smothering we could not be smothering you could not be smothering they could not be smothering
Perfecto
I could not have smothered you could not have smothered he could not have smothered we could not have smothered you could not have smothered they could not have smothered
Perfecto con V-ing
I could not have been smothering you could not have been smothering he could not have been smothering we could not have been smothering you could not have been smothering they could not have been smothering
Forma interrogativa
Forma simple
could I smother? could you smother? could he smother? could we smother? could you smother? could they smother?
Forma con V-ing
could I be smothering? could you be smothering? could he be smothering? could we be smothering? could you be smothering? could they be smothering?
Perfecto
could I have smothered? could you have smothered? could he have smothered? could we have smothered? could you have smothered? could they have smothered?
Perfecto con V-ing
could I have been smothering? could you have been smothering? could he have been smothering? could we have been smothering? could you have been smothering? could they have been smothering?
Forma interro-negativa
Forma simple
could I not smother? could you not smother? could he not smother? could we not smother? could you not smother? could they not smother?
Forma con V-ing
could I not be smothering? could you not be smothering? could he not be smothering? could we not be smothering? could you not be smothering? could they not be smothering?
Perfecto
could I not have smothered? could you not have smothered? could he not have smothered? could we not have smothered? could you not have smothered? could they not have smothered?
Perfecto con V-ing
could I not have been smothering? could you not have been smothering? could he not have been smothering? could we not have been smothering? could you not have been smothering? could they not have been smothering?