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