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