I can revise you can revise he can revise we can revise you can revise they can revise
Forma con V-ing
I can be revising you can be revising he can be revising we can be revising you can be revising they can be revising
Perfecto
I can have revised you can have revised he can have revised we can have revised you can have revised they can have revised
Perfecto con V-ing
I can have been revising you can have been revising he can have been revising we can have been revising you can have been revising they can have been revising
Negación
Forma simple
I cannot revise you cannot revise he cannot revise we cannot revise you cannot revise they cannot revise
Forma con V-ing
I cannot be revising you cannot be revising he cannot be revising we cannot be revising you cannot be revising they cannot be revising
Perfecto
I cannot have revised you cannot have revised he cannot have revised we cannot have revised you cannot have revised they cannot have revised
Perfecto con V-ing
I cannot have been revising you cannot have been revising he cannot have been revising we cannot have been revising you cannot have been revising they cannot have been revising
Forma interrogativa
Forma simple
can I revise? can you revise? can he revise? can we revise? can you revise? can they revise?
Forma con V-ing
can I be revising? can you be revising? can he be revising? can we be revising? can you be revising? can they be revising?
Perfecto
can I have revised? can you have revised? can he have revised? can we have revised? can you have revised? can they have revised?
Perfecto con V-ing
can I have been revising? can you have been revising? can he have been revising? can we have been revising? can you have been revising? can they have been revising?
Forma interro-negativa
Forma simple
can I not revise? can you not revise? can he not revise? can we not revise? can you not revise? can they not revise?
Forma con V-ing
can I not be revising? can you not be revising? can he not be revising? can we not be revising? can you not be revising? can they not be revising?
Perfecto
can I not have revised? can you not have revised? can he not have revised? can we not have revised? can you not have revised? can they not have revised?
Perfecto con V-ing
can I not have been revising? can you not have been revising? can he not have been revising? can we not have been revising? can you not have been revising? can they not have been revising?