I could tile you could tile she could tile we could tile you could tile they could tile
Forma con V-ing
I could be tiling you could be tiling she could be tiling we could be tiling you could be tiling they could be tiling
Perfecto
I could have tiled you could have tiled she could have tiled we could have tiled you could have tiled they could have tiled
Perfecto con V-ing
I could have been tiling you could have been tiling she could have been tiling we could have been tiling you could have been tiling they could have been tiling
Negación
Forma simple
I could not tile you could not tile she could not tile we could not tile you could not tile they could not tile
Forma con V-ing
I could not be tiling you could not be tiling she could not be tiling we could not be tiling you could not be tiling they could not be tiling
Perfecto
I could not have tiled you could not have tiled she could not have tiled we could not have tiled you could not have tiled they could not have tiled
Perfecto con V-ing
I could not have been tiling you could not have been tiling she could not have been tiling we could not have been tiling you could not have been tiling they could not have been tiling
Forma interrogativa
Forma simple
could I tile? could you tile? could she tile? could we tile? could you tile? could they tile?
Forma con V-ing
could I be tiling? could you be tiling? could she be tiling? could we be tiling? could you be tiling? could they be tiling?
Perfecto
could I have tiled? could you have tiled? could she have tiled? could we have tiled? could you have tiled? could they have tiled?
Perfecto con V-ing
could I have been tiling? could you have been tiling? could she have been tiling? could we have been tiling? could you have been tiling? could they have been tiling?
Forma interro-negativa
Forma simple
could I not tile? could you not tile? could she not tile? could we not tile? could you not tile? could they not tile?
Forma con V-ing
could I not be tiling? could you not be tiling? could she not be tiling? could we not be tiling? could you not be tiling? could they not be tiling?
Perfecto
could I not have tiled? could you not have tiled? could she not have tiled? could we not have tiled? could you not have tiled? could they not have tiled?
Perfecto con V-ing
could I not have been tiling? could you not have been tiling? could she not have been tiling? could we not have been tiling? could you not have been tiling? could they not have been tiling?