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