I could smooth you could smooth he could smooth we could smooth you could smooth they could smooth
Forma con V-ing
I could be smoothing you could be smoothing he could be smoothing we could be smoothing you could be smoothing they could be smoothing
Perfecto
I could have smoothed you could have smoothed he could have smoothed we could have smoothed you could have smoothed they could have smoothed
Perfecto con V-ing
I could have been smoothing you could have been smoothing he could have been smoothing we could have been smoothing you could have been smoothing they could have been smoothing
Negación
Forma simple
I could not smooth you could not smooth he could not smooth we could not smooth you could not smooth they could not smooth
Forma con V-ing
I could not be smoothing you could not be smoothing he could not be smoothing we could not be smoothing you could not be smoothing they could not be smoothing
Perfecto
I could not have smoothed you could not have smoothed he could not have smoothed we could not have smoothed you could not have smoothed they could not have smoothed
Perfecto con V-ing
I could not have been smoothing you could not have been smoothing he could not have been smoothing we could not have been smoothing you could not have been smoothing they could not have been smoothing
Forma interrogativa
Forma simple
could I smooth? could you smooth? could he smooth? could we smooth? could you smooth? could they smooth?
Forma con V-ing
could I be smoothing? could you be smoothing? could he be smoothing? could we be smoothing? could you be smoothing? could they be smoothing?
Perfecto
could I have smoothed? could you have smoothed? could he have smoothed? could we have smoothed? could you have smoothed? could they have smoothed?
Perfecto con V-ing
could I have been smoothing? could you have been smoothing? could he have been smoothing? could we have been smoothing? could you have been smoothing? could they have been smoothing?
Forma interro-negativa
Forma simple
could I not smooth? could you not smooth? could he not smooth? could we not smooth? could you not smooth? could they not smooth?
Forma con V-ing
could I not be smoothing? could you not be smoothing? could he not be smoothing? could we not be smoothing? could you not be smoothing? could they not be smoothing?
Perfecto
could I not have smoothed? could you not have smoothed? could he not have smoothed? could we not have smoothed? could you not have smoothed? could they not have smoothed?
Perfecto con V-ing
could I not have been smoothing? could you not have been smoothing? could he not have been smoothing? could we not have been smoothing? could you not have been smoothing? could they not have been smoothing?