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