Verba Latina

Normal principal Part Endings First: -o, -are, -avi, -atum Second: -eo, -ere, -i, -um Third: -o, -ere, -i, -um Third-io: -io, -ere, -i, -um Fourth: -io, -ire, -ivi, -itum

To form the perfect tense... Put proper gender ending on fourth principal part according to gender of subject. Use in conjunction with these forms of sum: sum sumus es estis est sunt

Perfect Passive

To form the pluperfect tense... Put proper gender ending on fourth principal part according to gender of subject. Use in conjunction with these forms of sum: eram eramus eras eratis erat erant

Pluperfect Passive

To form the future perfect tense... Put proper gender ending on fourth principal part according to gender of subject. Use in conjunction with these forms of sum: ero erimus eris eritis erit erunt

Future Perfect Passive