Infinitives

Present and Perfect Active/Passive & Future Active

Present Active and Passive Infinitives


  • The present active infinitive (e.g. to love)
  • The present passive infinitive (to be loved) derive from the second principal part:


amô, amâre, amâvî, amâtus


Present Active Infinitive: amare


Present Passive Infinitive: amari


Note: Conjugations III and III-io drop the -er- in the passive infinitive present: dûcî / capî

Perfect Active/ Passive and Future Active Infinitives


  • The perfect active infinitive (to have loved) derives from the third principal part
  • the perfect passive infinitive (to have been loved) derives from the fourth principal part:



amô, amâre, amâvî amâtus


Perfect Active Infinitve: amavisse

Perfect Passive Infinitive: amatus esse


Note: Conjugations III and III-io drop the -er- in the passive infinitive present: dûcî / capî

The future active infinitive (to be about to love) derives from the fourth principal part also

amo, amare, amavi, amatus

Future Active Infinitive - amaturus esse