Latin via Ovid Chpt. XX Perfect Passive Tenses

The perfect passive tenses are formed by combining the perfect participle (e.g. ductus, -a, -um: led, amatus, -a, -um: loved) with the auxiliary verb esse: to be.

So, ducta sum: I have been led is the perfect passive (participle agrees with subject, here 'I' is a woman).

Ductus eram: I had been led is the pluperfect ('I' is a man here).

Ducti erimus: we will have been led is the future perfect ('we' are men or a mixed group).

Practice with the following verbs:
Amo, amare, amavi, amatum (love)
Teneo, tenere, tenui, tentum (hold)
Duco, ducere, duxi, ductum (lead)
Audio, audire, audivi, auditum (hear)