I can prepare you can prepare he can prepare we can prepare you can prepare they can prepare
Forma con V-ing
I can be preparing you can be preparing he can be preparing we can be preparing you can be preparing they can be preparing
Perfecto
I can have prepared you can have prepared he can have prepared we can have prepared you can have prepared they can have prepared
Perfecto con V-ing
I can have been preparing you can have been preparing he can have been preparing we can have been preparing you can have been preparing they can have been preparing
Negación
Forma simple
I can't prepare you can't prepare he can't prepare we can't prepare you can't prepare they can't prepare
Forma con V-ing
I can't be preparing you can't be preparing he can't be preparing we can't be preparing you can't be preparing they can't be preparing
Perfecto
I can't have prepared you can't have prepared he can't have prepared we can't have prepared you can't have prepared they can't have prepared
Perfecto con V-ing
I can't have been preparing you can't have been preparing he can't have been preparing we can't have been preparing you can't have been preparing they can't have been preparing
Forma interrogativa
Forma simple
can I prepare? can you prepare? can he prepare? can we prepare? can you prepare? can they prepare?
Forma con V-ing
can I be preparing? can you be preparing? can he be preparing? can we be preparing? can you be preparing? can they be preparing?
Perfecto
can I have prepared? can you have prepared? can he have prepared? can we have prepared? can you have prepared? can they have prepared?
Perfecto con V-ing
can I have been preparing? can you have been preparing? can he have been preparing? can we have been preparing? can you have been preparing? can they have been preparing?
Forma interro-negativa
Forma simple
can't I prepare? can't you prepare? can't he prepare? can't we prepare? can't you prepare? can't they prepare?
Forma con V-ing
can't I be preparing? can't you be preparing? can't he be preparing? can't we be preparing? can't you be preparing? can't they be preparing?
Perfecto
can't I have prepared? can't you have prepared? can't he have prepared? can't we have prepared? can't you have prepared? can't they have prepared?
Perfecto con V-ing
can't I have been preparing? can't you have been preparing? can't he have been preparing? can't we have been preparing? can't you have been preparing? can't they have been preparing?