I could glower you could glower she could glower we could glower you could glower they could glower
Forma con V-ing
I could be glowering you could be glowering she could be glowering we could be glowering you could be glowering they could be glowering
Perfecto
I could have glowered you could have glowered she could have glowered we could have glowered you could have glowered they could have glowered
Perfecto con V-ing
I could have been glowering you could have been glowering she could have been glowering we could have been glowering you could have been glowering they could have been glowering
Negación
Forma simple
I could not glower you could not glower she could not glower we could not glower you could not glower they could not glower
Forma con V-ing
I could not be glowering you could not be glowering she could not be glowering we could not be glowering you could not be glowering they could not be glowering
Perfecto
I could not have glowered you could not have glowered she could not have glowered we could not have glowered you could not have glowered they could not have glowered
Perfecto con V-ing
I could not have been glowering you could not have been glowering she could not have been glowering we could not have been glowering you could not have been glowering they could not have been glowering
Forma interrogativa
Forma simple
could I glower? could you glower? could she glower? could we glower? could you glower? could they glower?
Forma con V-ing
could I be glowering? could you be glowering? could she be glowering? could we be glowering? could you be glowering? could they be glowering?
Perfecto
could I have glowered? could you have glowered? could she have glowered? could we have glowered? could you have glowered? could they have glowered?
Perfecto con V-ing
could I have been glowering? could you have been glowering? could she have been glowering? could we have been glowering? could you have been glowering? could they have been glowering?
Forma interro-negativa
Forma simple
could I not glower? could you not glower? could she not glower? could we not glower? could you not glower? could they not glower?
Forma con V-ing
could I not be glowering? could you not be glowering? could she not be glowering? could we not be glowering? could you not be glowering? could they not be glowering?
Perfecto
could I not have glowered? could you not have glowered? could she not have glowered? could we not have glowered? could you not have glowered? could they not have glowered?
Perfecto con V-ing
could I not have been glowering? could you not have been glowering? could she not have been glowering? could we not have been glowering? could you not have been glowering? could they not have been glowering?