I'd found you'd found he'd found we'd found you'd found they'd found
Forma con V-ing
I'd be founding you'd be founding he'd be founding we'd be founding you'd be founding they'd be founding
Perfecto
I should've founded you should've founded he should've founded we should've founded you should've founded they should've founded
Perfecto con V-ing
I should've been founding you should've been founding he should've been founding we should've been founding you should've been founding they should've been founding
Negación
Forma simple
I shouldn't found you shouldn't found he shouldn't found we shouldn't found you shouldn't found they shouldn't found
Forma con V-ing
I shouldn't be founding you shouldn't be founding he shouldn't be founding we shouldn't be founding you shouldn't be founding they shouldn't be founding
Perfecto
I shouldn't have founded you shouldn't have founded he shouldn't have founded we shouldn't have founded you shouldn't have founded they shouldn't have founded
Perfecto con V-ing
I shouldn't have been founding you shouldn't have been founding he shouldn't have been founding we shouldn't have been founding you shouldn't have been founding they shouldn't have been founding
Forma interrogativa
Forma simple
should I found? should you found? should he found? should we found? should you found? should they found?
Forma con V-ing
should I be founding? should you be founding? should he be founding? should we be founding? should you be founding? should they be founding?
Perfecto
should I have founded? should you have founded? should he have founded? should we have founded? should you have founded? should they have founded?
Perfecto con V-ing
should I have been founding? should you have been founding? should he have been founding? should we have been founding? should you have been founding? should they have been founding?
Forma interro-negativa
Forma simple
shouldn't I found? shouldn't you found? shouldn't he found? shouldn't we found? shouldn't you found? shouldn't they found?
Forma con V-ing
shouldn't I be founding? shouldn't you be founding? shouldn't he be founding? shouldn't we be founding? shouldn't you be founding? shouldn't they be founding?
Perfecto
shouldn't I have founded? shouldn't you have founded? shouldn't he have founded? shouldn't we have founded? shouldn't you have founded? shouldn't they have founded?
Perfecto con V-ing
shouldn't I have been founding? shouldn't you have been founding? shouldn't he have been founding? shouldn't we have been founding? shouldn't you have been founding? shouldn't they have been founding?