Future perfect tense

The future perfect is one of the six Latin indicative tenses (GRAM-2.C), translated "will have ___ed." It marks an action that will be completed before some other future action, and you spot it by perfect-stem endings like -erō, -eris, -erit (amāverit = "he will have loved").

Verified for the 2027 AP Latin examLast updated June 2026

What is future perfect tense?

The future perfect is the indicative tense that says an action will already be done by some point in the future. The CED lists it alongside the other five indicative tenses in GRAM-2.C and gives you the official translation formula "will have ___ed." So vīcerit means "he will have conquered," not "he conquered" and not "he will conquer." The tense lives one step further into the future than the simple future, the same way the pluperfect lives one step further into the past than the perfect.

You form it from the perfect stem plus the endings -erō, -eris, -erit, -erimus, -eritis, -erint. That perfect stem is the giveaway. If you see fēcerit in a sight passage, the fēc- tells you the action is viewed as completed, and the -erit tells you the completion happens in the future. Latin authors reach for this tense most often in conditions and temporal clauses, where one future event has to finish before another can happen ("if you will have done X, then Y will happen"). English usually smooths this into a simple present ("if you do X"), which is exactly why the tense trips people up in translation.

Why future perfect tense matters in AP Latin

GRAM-2.C is flagged "repeated for review" across the whole course, showing up in the verb learning objectives for Topic 3.2 (AP Latin 3.2.B with Pliny's ghost letter), Topic 4.2 (AP Latin 4.2.B with Aeneid Book 1), and Topic 5.2 (AP Latin 5.2.B with Dido's confrontation in Aeneid Book 4). That means the College Board expects you to identify and translate all six indicative tenses, including the future perfect, in every required passage and in sight reading. It matters most for AP Latin 4.2.D, the learning objective behind the literal translation FRQ. Translating a future perfect as a plain future or a plain perfect is a tense error, and tense errors cost you segments on that rubric. It also feeds into GRAM-2.I on conditions in Unit 5, since Latin future conditions regularly put the "if" clause in the future perfect.

How future perfect tense connects across the course

The Six Indicative Tenses, GRAM-2.C (Units 3-5)

The future perfect only makes sense inside the full tense system. Think of it as the mirror image of the pluperfect. The pluperfect ("had ___ed") marks action finished before a past moment; the future perfect ("will have ___ed") marks action finished before a future moment. Both are built on the perfect stem, which is why their forms look so similar (fēcerat vs. fēcerit).

Conditions in Latin, GRAM-2.I (Unit 5)

This is where the future perfect actually earns its keep in the required readings. In future conditions, Latin often puts the protasis (the "if" clause) in the future perfect because that action must be complete before the main clause can happen. English hides this with a simple present, so when you translate, you have to recognize the Latin logic even when idiomatic English flattens it.

Literal Translation FRQ, AP Latin 4.2.D (Units 4-5)

The translation FRQs grade you on rendering every verb's tense, mood, and voice accurately. A future perfect translated as "conquered" or "will conquer" loses credit because the rubric treats tense as part of the verb's meaning, not decoration. "Will have ___ed" is the safe literal rendering.

Infinitive and the Verb System (Units 3-5)

Knowing your principal parts is what makes the future perfect readable. The third principal part hands you the perfect stem, and that stem powers the perfect, pluperfect, and future perfect all at once. If you can generate one of those tenses, you can generate all three.

Is future perfect tense on the AP Latin exam?

No released FRQ names the future perfect by its grammatical label, but the exam tests it constantly through the work it makes you do. On the multiple-choice section, sight-reading questions ask you to identify a verb's tense or pick the best translation of a clause, and future perfect forms are favorite distractor bait because they look like perfect or pluperfect forms. On the translation FRQ, you must render the tense literally, so write "will have feared," not "feared" or "will fear." In short-answer questions on the required Pliny and Vergil passages, recognizing a future perfect helps you explain the sequence of events, which feeds directly into learning objectives like AP Latin 3.2.C (summarizing explicit meaning) and AP Latin 5.2.B (describing how verbs contribute to meaning).

Future perfect tense vs Perfect subjunctive

Here's the nasty part. The future perfect indicative and the perfect subjunctive are spelled identically in almost every form (fēcerit, fēcerimus, fēceritis can be either one). The only spelling difference is first person singular, where the indicative uses -erō and the subjunctive uses -erim. So you can't identify the form in isolation; you have to read the clause. If the verb sits in an independent statement or a future condition, it's future perfect indicative ("will have done"). If it sits in a subjunctive construction like an indirect question or a clause of fearing (GRAM-2.E covers these subjunctive uses), it's perfect subjunctive. Context decides, not the ending.

Key things to remember about future perfect tense

  • The future perfect is one of the six indicative tenses in GRAM-2.C, and its official AP translation is "will have ___ed."

  • It marks an action that will be completed before another future action, making it the future-time twin of the pluperfect.

  • You form it from the perfect stem plus -erō, -eris, -erit, -erimus, -eritis, -erint, so the third principal part is your starting point.

  • On the translation FRQ, rendering a future perfect as a simple future or simple perfect counts as a tense error and costs credit.

  • Latin uses the future perfect in the "if" clause of future conditions where English uses a simple present, so watch for it in conditional sentences in Unit 5.

  • Most future perfect forms are spelled identically to the perfect subjunctive, so you identify the tense from the clause's context, not the ending alone.

Frequently asked questions about future perfect tense

What is the future perfect tense in Latin?

It's the indicative tense translated "will have ___ed" (GRAM-2.C), marking an action that will be finished before another future event. For example, vēnerit means "he will have come."

How do you form the future perfect in Latin?

Take the perfect stem from the verb's third principal part and add -erō, -eris, -erit, -erimus, -eritis, -erint. So from amō, amāre, amāvī you get amāverō, "I will have loved."

Is the future perfect the same as the future tense?

No. The simple future (amābit, "he will love") describes an action that will happen, while the future perfect (amāverit, "he will have loved") describes an action that will already be finished by a future point. They use completely different stems, present stem versus perfect stem.

How is the future perfect different from the pluperfect?

Both use the perfect stem and both describe completed action, but they point in opposite directions. The pluperfect (amāverat, "had loved") finishes before a past moment, while the future perfect (amāverit, "will have loved") finishes before a future moment. The endings differ too, -erat versus -erit.

Do I need the future perfect for the AP Latin exam?

Yes. GRAM-2.C is repeated for review in Units 3, 4, and 5, and the literal translation FRQ requires you to translate every tense accurately. You'll also see future perfect forms in sight-reading multiple choice and in future conditions in the Aeneid Book 4 readings.