I could whack you could whack he could whack we could whack you could whack they could whack
Forma con V-ing
I could be whacking you could be whacking he could be whacking we could be whacking you could be whacking they could be whacking
Perfecto
I could have whacked you could have whacked he could have whacked we could have whacked you could have whacked they could have whacked
Perfecto con V-ing
I could have been whacking you could have been whacking he could have been whacking we could have been whacking you could have been whacking they could have been whacking
Negación
Forma simple
I couldn't whack you couldn't whack he couldn't whack we couldn't whack you couldn't whack they couldn't whack
Forma con V-ing
I couldn't be whacking you couldn't be whacking he couldn't be whacking we couldn't be whacking you couldn't be whacking they couldn't be whacking
Perfecto
I couldn't have whacked you couldn't have whacked he couldn't have whacked we couldn't have whacked you couldn't have whacked they couldn't have whacked
Perfecto con V-ing
I couldn't have been whacking you couldn't have been whacking he couldn't have been whacking we couldn't have been whacking you couldn't have been whacking they couldn't have been whacking
Forma interrogativa
Forma simple
could I whack? could you whack? could he whack? could we whack? could you whack? could they whack?
Forma con V-ing
could I be whacking? could you be whacking? could he be whacking? could we be whacking? could you be whacking? could they be whacking?
Perfecto
could I have whacked? could you have whacked? could he have whacked? could we have whacked? could you have whacked? could they have whacked?
Perfecto con V-ing
could I have been whacking? could you have been whacking? could he have been whacking? could we have been whacking? could you have been whacking? could they have been whacking?
Forma interro-negativa
Forma simple
couldn't I whack? couldn't you whack? couldn't he whack? couldn't we whack? couldn't you whack? couldn't they whack?
Forma con V-ing
couldn't I be whacking? couldn't you be whacking? couldn't he be whacking? couldn't we be whacking? couldn't you be whacking? couldn't they be whacking?
Perfecto
couldn't I have whacked? couldn't you have whacked? couldn't he have whacked? couldn't we have whacked? couldn't you have whacked? couldn't they have whacked?
Perfecto con V-ing
couldn't I have been whacking? couldn't you have been whacking? couldn't he have been whacking? couldn't we have been whacking? couldn't you have been whacking? couldn't they have been whacking?