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amātus sum: the perfect passive

The perfect passive participle, and passive perfects made with sum.

LatinIntermediate Latin · The perfect tensesAbout 4 min: 2 reading, 2 practiceUpdated

After this lesson you can
  • Find the perfect passive participle in the principal parts
  • Form the perfect, pluperfect and future perfect passive with sum
  • Make the participle agree with the subject
  • Form the perfect passive and future active infinitives
Latin Level 2: verbs and the other declensions: lesson 16 of 35
  1. Intermediate Latin · Verbs: the present system
  2. sum: I am, I was, I shall be 3 min
  3. The present of amō and moneō 4 min
  4. The imperfect: was doing 4 min
  5. The future: will do 3 min
  6. The dative with adjectives 3 min
  7. The present of regō and audiō 4 min
  8. The imperfect of regō and audiō, and verbs that take the dative 3 min
  9. The future of regō and audiō 3 min
  10. capiō, and giving orders 3 min
  11. Intermediate Latin · The passive voice
  12. The passive: being done to 3 min
  13. The passive of regō, audiō and capiō; passive infinitives 3 min
  14. Synopses, and the ablative of "from" 3 min
  15. Intermediate Latin · The perfect tenses
  16. fuī, fueram, fuerō: the perfect tenses of sum 3 min
  17. The perfect active: did, have done 5 min
  18. Had done, will have done: pluperfect and future perfect active 3 min
  19. amātus sum: the perfect passive 4 min
  20. Principal parts, prepositions, and yes-or-no questions 5 min
  21. possum, "I can", and the infinitive 3 min
  22. Intermediate Latin · Pronouns
  23. quī, quae, quod: who, which, that 4 min
  24. Intermediate Latin · The third declension
  25. rēx, rēgis: the third declension 4 min
  26. hostis, urbs, mare: i-stems 4 min
  27. vīs and iter; gender in the third declension 4 min
  28. omnis, ācer, pār: third-declension adjectives 3 min
  29. Intermediate Latin · The fourth and fifth declensions
  30. manus, cornū: the fourth declension 3 min
  31. Rōmae, domī, Athēnīs: place and the locative 4 min
  32. diēs, rēs: the fifth declension and the ablative of time 3 min
  33. Intermediate Latin · Pronouns
  34. ego, tū, sē: personal and reflexive pronouns 4 min
  35. ipse, "himself", and īdem, "the same" 3 min
  36. hic, iste, ille: this and that 4 min
  37. aliquis, quīdam, quisque: someone, a certain, each 3 min
  38. Intermediate Latin · Comparison
  39. clārior, clārissimus: comparing adjectives 4 min
  40. melior, optimus: irregular comparison, plūs, and "by how much" 3 min
  41. clārē, fortiter: adverbs and their comparison 4 min
  42. Intermediate Latin · Numerals
  43. ūnus, duo, trēs: numerals, "of" the whole, and "for how long" 5 min
  44. Intermediate Latin · Deponent verbs
  45. hortor, sequor: deponent verbs 3 min

Try first

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Pairs with D'Ooge, Latin for Beginners (Ginn, 1909), Lesson XXXV ("The Passive Perfects of the Indicative · The Perfect Passive and Future Active Infinitive"), §§ 201–206

What it is

The fourth principal part is the perfect passive participle, an adjective meaning "having been …ed": amātus, -a, -um (loved), monitus (warned), rēctus (ruled), captus (taken), audītus (heard).

The passive perfect tenses are two words: the participle + a form of sum.

PerfectPluperfect
Iamātus sumamātus eram
youamātus esamātus erās
he/sheamātus estamātus erat
weamātī sumusamātī erāmus
you pl.amātī estisamātī erātis
theyamātī suntamātī erant

The future perfect uses the future of sum: amātus erō, eris, erit; amātī erimus, eritis, erunt.

The participle is an adjective, so it agrees with the subject in gender, number and case:

  • Vir laudātus est. → The man was praised.
  • Puella laudāta est. → The girl was praised.
  • Cōnsilia laudāta sunt. → The plans were praised.

Two more infinitives: perfect passive amātus esse (to have been loved) and future active amātūrus esse (to be about to love).

Quick check

Tap an answer to check it.

  1. "The towns were taken."

    Show answer

    Oppida capta sunt.. oppida is neuter plural: capta sunt.

Why it matters

Most accounts of the past are told with these forms: the town was taken, the letter had been sent. Learning the fourth principal part now unlocks every one of them.

Worked example

  • Epistula ā puerō missa est. → The letter was sent by the boy. (missa: feminine, agreeing with epistula)
  • Puerī ā magistrō monitī erant. → The boys had been warned by the teacher.
  • Oppidum ā Rōmānīs captum erit. → The town will have been taken by the Romans.

Common mistake

Reading amātus est as present: wrong: he is loved. Est is present, but the phrase is perfect: he was (has been) loved. Likewise amātus erat is "had been loved", not "was loved".

Key terms

perfect passive participle
having been …ed: amātus, -a, -um
amātus sum
I was (have been) loved
amātus eram
I had been loved
amātus esse
to have been loved
amātūrus esse
to be about to love
cōnsilium, -ī
plan
epistula, -ae
letter

Practise the key terms

Tap a card to turn it over. 7 cards.

FrontBack
perfect passive participlehaving been …ed: amātus, -a, -um
amātus sumI was (have been) loved
amātus eramI had been loved
amātus esseto have been loved
amātūrus esseto be about to love
cōnsilium, -īplan
epistula, -aeletter

Practice

Quick quiz

Tap an answer to check it.

  1. Translate Puella monita est.

    Show answer

    The girl was warned.. Participle + est = perfect passive.

  2. "The boys had been praised."

    Show answer

    Puerī laudātī erant.. Pluperfect passive: participle + erant, agreeing with puerī.

  3. Fourth principal part of mittō

    Show answer

    missus. mittō, mittere, mīsī, missus.

Build the sentence

"The letter was sent." Put the subject first, then the participle, then the verb.

Show answer

Epistula missa est

Practise speaking

Studyfern has no voice tools of its own. To practise out loud, copy this prompt into a voice-capable AI assistant and talk with it.

You are a patient Latin tutor. Use the classical pronunciation only, never the Church one: c is always k, g is always hard, v sounds like w, ae like the ai in aisle, and long vowels are held longer. Speak slowly. Use only these Latin words: laudātus est, laudāta est, laudātī sunt, missa est, monitī erant, captum erit, puer, puella, epistula, oppidum, cōnsilium. Give me English sentences like 'the girl was praised', 'the letter was sent' or 'the plans had been praised', and I will say them in Latin, making the participle agree. Do 8 sentences. After each answer, tell me what kind of mistake I made, if any, and let me try again, then tell me one thing to improve. Keep every reply under 2 sentences. If I need a name or a town, I will make one up. Speak English except for the Latin itself.

Listen too. Listen to native speakers before and after: see the free listening and shadowing links.

Good to know. AI feedback on pronunciation is hit and miss, so check yourself against native recordings. This course teaches the classical pronunciation (see lesson 1); AI voices may mix it with the Church (Italian-style) one, so ask for classical and check against lesson 1. Don't share personal details: use a made-up name and town.

New to this? Read Practising speaking with an AI.

In short

  • Fourth principal part: perfect passive participle, -us, -a, -um.
  • Perfect passive = participle + sum; pluperfect + eram; future perfect + erō.
  • The participle agrees with the subject.
  • Infinitives: amātus esse (perfect passive), amātūrus esse (future active).

Mastery check

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Check yourself

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  1. Give "she had been heard".

    Show answer

    audīta erat.

  2. Translate Cōnsilia laudāta sunt.

    Show answer

    The plans were (have been) praised.

  3. What is the perfect passive infinitive of capiō?

    Show answer

    captus esse, to have been taken.

Further reading

  • D'Ooge, Latin for Beginners, Lesson XXXV, §§ 201–206. Public domain; Project Gutenberg.