I can shack you can shack he can shack we can shack you can shack they can shack
Forma con V-ing
I can be shacking you can be shacking he can be shacking we can be shacking you can be shacking they can be shacking
Perfecto
I can have shacked you can have shacked he can have shacked we can have shacked you can have shacked they can have shacked
Perfecto con V-ing
I can have been shacking you can have been shacking he can have been shacking we can have been shacking you can have been shacking they can have been shacking
Negación
Forma simple
I can't shack you can't shack he can't shack we can't shack you can't shack they can't shack
Forma con V-ing
I can't be shacking you can't be shacking he can't be shacking we can't be shacking you can't be shacking they can't be shacking
Perfecto
I can't have shacked you can't have shacked he can't have shacked we can't have shacked you can't have shacked they can't have shacked
Perfecto con V-ing
I can't have been shacking you can't have been shacking he can't have been shacking we can't have been shacking you can't have been shacking they can't have been shacking
Forma interrogativa
Forma simple
can I shack? can you shack? can he shack? can we shack? can you shack? can they shack?
Forma con V-ing
can I be shacking? can you be shacking? can he be shacking? can we be shacking? can you be shacking? can they be shacking?
Perfecto
can I have shacked? can you have shacked? can he have shacked? can we have shacked? can you have shacked? can they have shacked?
Perfecto con V-ing
can I have been shacking? can you have been shacking? can he have been shacking? can we have been shacking? can you have been shacking? can they have been shacking?
Forma interro-negativa
Forma simple
can't I shack? can't you shack? can't he shack? can't we shack? can't you shack? can't they shack?
Forma con V-ing
can't I be shacking? can't you be shacking? can't he be shacking? can't we be shacking? can't you be shacking? can't they be shacking?
Perfecto
can't I have shacked? can't you have shacked? can't he have shacked? can't we have shacked? can't you have shacked? can't they have shacked?
Perfecto con V-ing
can't I have been shacking? can't you have been shacking? can't he have been shacking? can't we have been shacking? can't you have been shacking? can't they have been shacking?