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