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 can't revise you can't revise he can't revise we can't revise you can't revise they can't revise
Forma con V-ing
I can't be revising you can't be revising he can't be revising we can't be revising you can't be revising they can't be revising
Perfecto
I can't have revised you can't have revised he can't have revised we can't have revised you can't have revised they can't have revised
Perfecto con V-ing
I can't have been revising you can't have been revising he can't have been revising we can't have been revising you can't have been revising they can't 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't I revise? can't you revise? can't he revise? can't we revise? can't you revise? can't they revise?
Forma con V-ing
can't I be revising? can't you be revising? can't he be revising? can't we be revising? can't you be revising? can't they be revising?
Perfecto
can't I have revised? can't you have revised? can't he have revised? can't we have revised? can't you have revised? can't they have revised?
Perfecto con V-ing
can't I have been revising? can't you have been revising? can't he have been revising? can't we have been revising? can't you have been revising? can't they have been revising?