I can allow you can allow he can allow we can allow you can allow they can allow
Forma con V-ing
I can be allowing you can be allowing he can be allowing we can be allowing you can be allowing they can be allowing
Perfecto
I can have allowed you can have allowed he can have allowed we can have allowed you can have allowed they can have allowed
Perfecto con V-ing
I can have been allowing you can have been allowing he can have been allowing we can have been allowing you can have been allowing they can have been allowing
Negación
Forma simple
I can't allow you can't allow he can't allow we can't allow you can't allow they can't allow
Forma con V-ing
I can't be allowing you can't be allowing he can't be allowing we can't be allowing you can't be allowing they can't be allowing
Perfecto
I can't have allowed you can't have allowed he can't have allowed we can't have allowed you can't have allowed they can't have allowed
Perfecto con V-ing
I can't have been allowing you can't have been allowing he can't have been allowing we can't have been allowing you can't have been allowing they can't have been allowing
Forma interrogativa
Forma simple
can I allow? can you allow? can he allow? can we allow? can you allow? can they allow?
Forma con V-ing
can I be allowing? can you be allowing? can he be allowing? can we be allowing? can you be allowing? can they be allowing?
Perfecto
can I have allowed? can you have allowed? can he have allowed? can we have allowed? can you have allowed? can they have allowed?
Perfecto con V-ing
can I have been allowing? can you have been allowing? can he have been allowing? can we have been allowing? can you have been allowing? can they have been allowing?
Forma interro-negativa
Forma simple
can't I allow? can't you allow? can't he allow? can't we allow? can't you allow? can't they allow?
Forma con V-ing
can't I be allowing? can't you be allowing? can't he be allowing? can't we be allowing? can't you be allowing? can't they be allowing?
Perfecto
can't I have allowed? can't you have allowed? can't he have allowed? can't we have allowed? can't you have allowed? can't they have allowed?
Perfecto con V-ing
can't I have been allowing? can't you have been allowing? can't he have been allowing? can't we have been allowing? can't you have been allowing? can't they have been allowing?