I can go you can go she can go we can go you can go they can go
Forma con V-ing
I can be going you can be going she can be going we can be going you can be going they can be going
Perfecto
I can have gone you can have gone she can have gone we can have gone you can have gone they can have gone
Perfecto con V-ing
I can have been going you can have been going she can have been going we can have been going you can have been going they can have been going
Negación
Forma simple
I can't go you can't go she can't go we can't go you can't go they can't go
Forma con V-ing
I can't be going you can't be going she can't be going we can't be going you can't be going they can't be going
Perfecto
I can't have gone you can't have gone she can't have gone we can't have gone you can't have gone they can't have gone
Perfecto con V-ing
I can't have been going you can't have been going she can't have been going we can't have been going you can't have been going they can't have been going
Forma interrogativa
Forma simple
can I go? can you go? can she go? can we go? can you go? can they go?
Forma con V-ing
can I be going? can you be going? can she be going? can we be going? can you be going? can they be going?
Perfecto
can I have gone? can you have gone? can she have gone? can we have gone? can you have gone? can they have gone?
Perfecto con V-ing
can I have been going? can you have been going? can she have been going? can we have been going? can you have been going? can they have been going?
Forma interro-negativa
Forma simple
can't I go? can't you go? can't she go? can't we go? can't you go? can't they go?
Forma con V-ing
can't I be going? can't you be going? can't she be going? can't we be going? can't you be going? can't they be going?
Perfecto
can't I have gone? can't you have gone? can't she have gone? can't we have gone? can't you have gone? can't they have gone?
Perfecto con V-ing
can't I have been going? can't you have been going? can't she have been going? can't we have been going? can't you have been going? can't they have been going?