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