3.6 Tenses in Latin

Latin verbs have six main tenses: present, imperfect, future, perfect, pluperfect, and future perfect. These tenses express different aspects of time and action, from ongoing events to completed actions in the past or future.

The tenses split into two groups based on which stem they use. The present stem builds the present, imperfect, and future tenses. The perfect stem builds the perfect, pluperfect, and future perfect tenses. Knowing which stem you're working with is half the battle when forming any tense.

Present tense

The present tense is where Latin verb conjugation starts. You use it for actions happening now, habitual actions, and general truths.

Formation of present tense

Take the present stem and add the personal endings: -o, -s, -t, -mus, -tis, -nt. The tricky part is that each conjugation has a slightly different look:

• 1st conjugation (infinitive in -āre): $amō, amās, amat$
• 2nd conjugation (infinitive in -ēre): $moneō, monēs, monet$
• 3rd conjugation (infinitive in -ere): $regō, regis, regit$
  • 3rd -iō verbs follow a slightly different pattern: $capiō, capis, capit$
• 4th conjugation (infinitive in -īre): $audiō, audīs, audit$

Uses of present tense

• Actions happening now: Scrībō epistulam ("I am writing a letter")
• Habitual or repeated actions: Cotīdiē in hortō ambulō ("I walk in the garden daily")
• General truths: Sōl oritur in oriente ("The sun rises in the east")
• Historical present, making past events more vivid: Caesar flūmen trānsit ("Caesar crosses the river")
• Near future actions in certain contexts: Crās Rōmam eō ("I'm going to Rome tomorrow")

Present tense vs English

Latin has no continuous aspect, so scrībō can mean both "I write" and "I am writing." Context tells you which. The present tense can also express future actions (Mox domum redeō, "I'm returning home soon"), something English handles with separate constructions. The historical present shows up far more often in Latin narratives than in English.

Imperfect tense

The imperfect describes ongoing, repeated, or habitual actions in the past. Think of it as the tense that sets the scene and paints the background in a narrative.

Formation of imperfect tense

Add -ba- to the present stem, then attach the personal endings -m, -s, -t, -mus, -tis, -nt.

1. Find the present stem.
2. For 1st and 2nd conjugation, add -bā- directly: $amābam, monēbam$
3. For 3rd and 4th conjugation, add -ēbā-: $regēbam, audiēbam$
4. Attach the personal endings.

The irregular verb esse forms its imperfect as $eram, erās, erat, erāmus, erātis, erant$.

Because every conjugation uses the same -ba-/-eba- marker, the imperfect is actually one of the most predictable tenses to form.

Uses of imperfect tense

• Ongoing past actions: Puerī in agrīs lūdēbant ("The boys were playing in the fields")
• Scene-setting in narratives: Dum Caesar in Galliā pugnābat, Rōmae senātōrēs coniūrābant ("While Caesar was fighting in Gaul, senators were conspiring at Rome")
• Attempted or intended actions: Hostēs urbem capere temptābant ("The enemies were trying to capture the city")
• Customary past actions: Antīquī Rōmānī togam gerēbant ("The ancient Romans used to wear the toga")
• Descriptions of past states or characteristics: Cicerō erat ōrātor clārus ("Cicero was a famous orator")

Imperfect vs present tense

The imperfect always refers to the past; the present does not. Formation-wise, the imperfect's -ba-/-eba- marker is consistent across conjugations, while present tense forms vary more. In narratives, the imperfect sets the stage for the main events, which are told in the perfect tense. The historical present can make past narration vivid, but the imperfect cannot be used that way.

Perfect tense

The perfect tense narrates completed actions in the past. Where the imperfect provides background, the perfect drives the story forward with the main events.

Formation of perfect tense

The perfect uses the perfect stem, which often looks quite different from the present stem. Add these endings directly to the perfect stem: -ī, -istī, -it, -imus, -istis, -ērunt (or -ēre).

• 1st conjugation usually adds -v-: $amāvī, amāvistī, amāvit$
• 2nd conjugation may add -u-: $monuī, monuistī, monuit$
• 3rd conjugation often changes the stem entirely: $rēxī, rēxistī, rēxit$
• 4th conjugation typically adds -v- or -u-: $audīvī, audīvistī, audīvit$
• Many common verbs have irregular perfect stems: $fēcī, dīxī, vēnī$

You need to memorize the perfect stem for each verb. It's listed as the third principal part in your vocabulary entries.

Uses of perfect tense

• Completed past actions: Caesar Galliam vīcit ("Caesar conquered Gaul")
• Main events in narratives: Rōmulus urbem condidit ("Romulus founded the city")
• Actions with clear results: Senātus cōnsultum ultimum dēcrēvit ("The senate passed the final decree")
• Present perfect meaning: Tandem epistulam scrīpsī ("I have finally written the letter")
• Questions about whether something has occurred: Num Rōmam vīdistī? ("Have you seen Rome?")

Perfect vs imperfect tense

This is one of the most important distinctions in Latin. The perfect tells you what happened (completed events). The imperfect tells you what was happening (ongoing background). In a sentence like Dum scrībēbam, amīcus vēnit ("While I was writing, a friend came"), the imperfect sets the scene and the perfect delivers the main event.

They also differ in formation: the perfect uses the perfect stem with its own set of endings, while the imperfect uses the present stem with -ba-/-eba-.

Pluperfect tense

The pluperfect expresses actions completed before another past event. It translates to English "had done."

Formation of pluperfect tense

Take the perfect stem, add -era-, then attach the personal endings -m, -s, -t, -mus, -tis, -nt (the same endings as the imperfect).

1. Find the perfect stem (3rd principal part minus the -ī).
2. Add -era-.
3. Add personal endings.

• 1st conjugation: $amāveram, amāverās, amāverat$
• 2nd conjugation: $monueram, monuerās, monuerat$
• 3rd conjugation: $rēxeram, rēxerās, rēxerat$
• 4th conjugation: $audīveram, audīverās, audīverat$

Irregular verbs follow the same pattern once you know their perfect stem: $fēceram, dīxeram, vēneram$.

Uses of pluperfect tense

• Actions completed before another past event: Cum Caesar vēnisset, mīlitēs castra iam posuerant ("When Caesar had arrived, the soldiers had already set up camp")
• Background preceding the main narrative: Hannibal, quī Alpēs trānsierat, Italiam invāsit ("Hannibal, who had crossed the Alps, invaded Italy")
• In indirect speech representing an earlier perfect: Dīxit sē Rōmam īvisse ("He said that he had gone to Rome")
• Past contrary-to-fact conditions (in the subjunctive): Sī vēnissēs, laetus fuissem ("If you had come, I would have been happy")

Pluperfect vs perfect tense

Both use the perfect stem, but the pluperfect adds -era- before the endings while the perfect attaches its own unique endings directly. The key difference is relative time: the perfect says "this happened," while the pluperfect says "this had already happened before that other thing."

Future tense

The future tense expresses actions that will happen. Its formation splits along conjugation lines more sharply than most other tenses.

Formation of future tense

This is where you need to watch the conjugation carefully, because 1st/2nd conjugation and 3rd/4th conjugation use completely different markers:

• 1st and 2nd conjugation: present stem + -bō, -bis, -bit, -bimus, -bitis, -bunt
  • $amābō, amābis, amābit$ / $monēbō, monēbis, monēbit$
• 3rd and 4th conjugation: present stem + -am, -ēs, -et, -ēmus, -ētis, -ent
  • $regam, regēs, reget$ / $audiam, audiēs, audiet$
  • 3rd -iō verbs follow the 4th conjugation pattern: $capiam, capiēs, capiet$
• Esse forms its future as $erō, eris, erit, erimus, eritis, erunt$

A common mistake: the 3rd/4th conjugation future ($regam, regēs$) can look similar to present subjunctive forms. Pay close attention to vowel lengths and context.

Uses of future tense

• Future actions: Crās Rōmam ībō ("I will go to Rome tomorrow")
• Predictions: Pluviam crās habēbit ("It will rain tomorrow")
• Promises: Semper tē amābō ("I will always love you")
• Commands or prohibitions: Nōn occīdēs ("You shall not kill")
• In conditional sentences: Sī hoc fēceris, poenās dabis ("If you do this, you will pay the penalty")

Future vs present tense

The future uses distinct markers (-bō or -am), while the present attaches endings directly to the stem. Latin's present tense can sometimes express future meaning (Crās Rōmam eō), but the future tense is more explicit about it. In conditional sentences, the future tense and future perfect play specific roles that the present tense cannot fill.

Future perfect tense

The future perfect expresses actions that will have been completed before another future event. English uses this tense rarely, but Latin uses it frequently, especially in conditional and temporal clauses.

Formation of future perfect tense

Take the perfect stem, add -erō, then personal endings: -ō, -is, -it, -imus, -itis, -int.

• 1st conjugation: $amāverō, amāveris, amāverit$
• 2nd conjugation: $monuerō, monueris, monuerit$
• 3rd conjugation: $rēxerō, rēxeris, rēxerit$
• 4th conjugation: $audīverō, audīveris, audīverit$

Note that these forms look very similar to the perfect indicative ($amāvī, amāvistī$...) except in the 1st person singular and 3rd person plural. Watch for -erō vs -ī and -erint vs -ērunt.

Uses of future perfect tense

• Actions completed before another future event: Cum Rōmam advenerō, tē vidēbō ("When I have arrived at Rome, I will see you")
• In the protasis of future more vivid conditions: Sī hoc fēceris, praemium accipiēs ("If you do/have done this, you will receive a reward")
• Certainty about completion: Brevī tempore opus perfēcerō ("In a short time I will have finished the work")
• Subordinate clauses showing anteriority: Ubi imperātor signum dederit, mīlitēs proelium committent ("When the commander has given the signal, the soldiers will join battle")

Future perfect vs future tense

The future perfect uses the perfect stem + -erō, while the future uses the present stem + -bō/-am. The future says "I will do X"; the future perfect says "I will have already done X (by the time Y happens)." In practice, the future perfect appears most often in subordinate clauses (cum, ubi, sī), while the future appears in the main clause.

Tense in subordinate clauses

When a Latin sentence has both a main clause and a subordinate clause, the tenses interact according to specific rules. This is where tense usage gets more complex but also more precise.

Sequence of tenses

The sequence of tenses governs which subjunctive tense appears in a subordinate clause based on the tense of the main verb.

• Primary sequence (main verb is present, future, or future perfect):
  • Present subjunctive for action happening at the same time
  • Perfect subjunctive for action already completed
• Secondary sequence (main verb is imperfect, perfect, or pluperfect):
  • Imperfect subjunctive for action happening at the same time
  • Pluperfect subjunctive for action already completed

Exceptions exist with certain verbs and constructions, but this framework covers the vast majority of cases.

Tenses in indirect speech

Latin uses the accusative + infinitive construction for indirect statements:

• Present infinitive for actions happening at the same time as the main verb: Dīcit sē venīre ("He says that he is coming")
• Perfect infinitive for actions before the main verb: Dīcit sē vēnisse ("He says that he came")
• Future infinitive for actions after the main verb: Dīcit sē ventūrum esse ("He says that he will come")

Any subordinate clauses within indirect speech use the subjunctive and follow the sequence of tenses rules.

Tenses in conditional sentences

Latin has several types of conditions, each with its own tense pattern:

• Simple/real (indicative in both clauses): Sī pluit, domī maneō ("If it rains, I stay home")
• Future more vivid (future or future perfect in protasis, future in apodosis): Sī vēneris, laetus erō ("If you come, I will be happy")
• Future less vivid (present subjunctive in both): Sī veniās, laetus sim ("If you should come, I would be happy")
• Present contrary to fact (imperfect subjunctive in both): Sī venīrēs, laetus essem ("If you were coming, I would be happy")
• Past contrary to fact (pluperfect subjunctive in both): Sī vēnissēs, laetus fuissem ("If you had come, I would have been happy")

Aspect in Latin tenses

Aspect refers to how an action is viewed: as a completed whole, or as ongoing/repeated. Aspect works alongside tense to give Latin verbs their precise meaning.

Perfective vs imperfective aspect

The six tenses divide neatly by aspect:

• Perfective (action viewed as a complete whole): perfect, pluperfect, future perfect
• Imperfective (action viewed as ongoing or habitual): present, imperfect, future

In narratives, perfective tenses carry the main events forward, while imperfective tenses provide background, description, and scene-setting. This perfective/imperfective split is one of the most useful frameworks for understanding why Latin authors choose one tense over another.

Aspect in present and imperfect

The present tense is imperfective but flexible. Scrībō can mean "I write" (habitual) or "I am writing" (ongoing). Context determines which reading fits.

The imperfect is always imperfective. Scrībēbam means "I was writing" or "I used to write," always emphasizing duration or repetition. There's no ambiguity about the aspect the way there can be with the present.

Aspect in perfect and pluperfect

The perfect tense is typically perfective, presenting an action as done and complete. But it can also carry a resultative meaning, focusing on the present state that results from a past action (similar to English "I have written").

The pluperfect is also perfective, but placed further back in time: the action was already complete before some other past event. Together, the perfect and pluperfect contrast with the imperfective tenses to create layered, precise narration.

Tense stems

Every Latin verb form is built on one of three stems. Knowing which stem feeds which tense is the key to forming verbs correctly.

Present stem

The present stem builds the present, imperfect, and future tenses. Find it by removing -re from the present active infinitive:

• 1st conjugation: amāre → $amā-$
• 2nd conjugation: monēre → $monē-$
• 3rd conjugation: regere → $reg-$ (the -e- before -re is just a connecting vowel)
• 4th conjugation: audīre → $audī-$
• Some verbs have irregular present stems: esse → $es-/s-$

Perfect stem

The perfect stem builds the perfect, pluperfect, and future perfect tenses. You find it from the third principal part by removing the -ī ending:

• 1st conjugation: amāvī → $amāv-$
• 2nd conjugation: monuī → $monu-$
• 3rd conjugation: rēxī → $rēx-$
• 4th conjugation: audīvī → $audīv-$

Many verbs have unpredictable perfect stems ($fēc-, vēn-, dīx-$), so memorizing principal parts is essential.

Supine stem

The supine stem (from the fourth principal part) forms the perfect passive participle and future active participle. Find it by removing -um from the supine:

• 1st conjugation: amātum → $amāt-$
• 2nd conjugation: monitum → $monit-$
• 3rd conjugation: rēctum → $rēct-$, captum → $capt-$
• 4th conjugation: audītum → $audīt-$

Irregular verbs may have unique supine stems: factum → $fact-$, vīsum → $vīs-$.

Irregular verbs and tenses

Some of the most common Latin verbs don't follow standard conjugation patterns. Because they appear so frequently, you'll want to know their forms by heart.

Esse and its compounds

Esse ("to be") is the most irregular verb in Latin:

• Present: $sum, es, est, sumus, estis, sunt$
• Imperfect: $eram, erās, erat, erāmus, erātis, erant$
• Future: $erō, eris, erit, erimus, eritis, erunt$
• Perfect: $fuī, fuistī, fuit, fuimus, fuistis, fuērunt/fuēre$

Compounds of esse generally keep these irregularities: posse ("to be able"), adesse ("to be present"), abesse ("to be absent"). Some compounds add wrinkles of their own: prōdesse ("to be useful") inserts a -d- before vowels ($prōdest$ but $prōsumus$... actually $prōsumus$ is correct for "we are useful").

Irregular perfect forms

Many high-frequency verbs have perfect stems you simply have to memorize:

• ferō (to carry): $tulī, tulistī, tulit$
• eō (to go): $iī/īvī, iistī/īvistī, iit/īvit$
• volō (to wish): $voluī, voluistī, voluit$
• fīō (to become/be made): $factus sum, factus es, factus est$
• Reduplicated perfects: dō → $dedī$, stō → $stetī$

These irregular perfect stems carry through to the pluperfect and future perfect ($tuleram, tulerō$, etc.).

Defective verbs

Some Latin verbs lack certain forms entirely:

• Coepī ("I began") exists only in perfect system tenses (perfect, pluperfect, future perfect). For present-system meanings, Latin uses incipiō.
• Meminī ("I remember") and ōdī ("I hate") use perfect-system forms but carry present meanings. So $meminī$ = "I remember" (not "I remembered"), and $memineram$ = "I remembered."
• Inquam ("I say") appears only in a handful of present and perfect forms, mostly in direct quotations.
• Āiō ("I say/affirm") is used primarily in the present tense.

Recognizing these verbs saves you from searching for forms that don't exist.