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AP Latin — Cheatsheet

Formulas, exam-day tips, and key terms on one page.

On the exam

The AP exam asks you to scan the first four feet of a designated Vergil line and often to identify the caesura. Practice marking elisions first — a missed elision throws off every foot after it. Write the macra and breves directly above the vowels to earn full credit.
On the translation questions, always identify the **main verb** and its **nominative subject** first, then attach objects (accusative), possessors (genitive), and adverbial ideas (ablative). A quick case-map of the sentence prevents the most common mistranslations of who is doing what to whom.
For the analytical essay, be ready to name a device (**simile, alliteration, hyperbaton, anaphora**) AND explain its effect with a Latin citation. Naming alone earns little; showing how, say, the Neptune simile links natural order to Roman civic authority is what scores.
When a passage contains a verb like **dīcō, putō, crēdō, videō, sciō, spērō**, expect indirect statement to follow. Translate the head verb, insert “that,” make the accusative the new subject, and render the infinitive by its relative tense. This template handles the majority of AP indirect-statement questions.
When an ablative absolute uses a **perfect** participle, the circumstance is completed *before* the main action (“after X had been done”); with a **present** participle it is simultaneous (“while X was happening”). Getting this timing right, and picking the connector that suits the context, earns translation points.
For the literary essay on Book IV, be ready to discuss **pathos**: how the fire/wound imagery, Dido’s direct speeches, and her dying curse (*exoriāre aliquis nostrīs ex ossibus ultor*, “rise up, some avenger, from my bones”) generate sympathy while Aeneas’s duty (*pietās*) pulls the other way. Cite the Latin to anchor each claim.
Whenever you see a subjunctive verb, ask what makes it subjunctive: a **cum-clause**, an **indirect question**, a **purpose/result clause**, or an **indirect command**. Naming the construction is half of translating it correctly, and the AP short-answer questions frequently ask you to do exactly that.
Lines 6.851–853 are among the most-tested in the syllabus. Be able to translate them precisely AND to discuss them: how does Vergil define Roman identity through the four infinitives, and how does the surrounding parade blend praise of Augustus with the elegiac note of Marcellus? Cite the Latin for each point.
For a synthesis essay, connect Book VI’s grammar of necessity (the passive periphrastic, fate-language) to its theme: Rome “must be” founded, its heroes “must” act, even at great personal cost. Linking a construction to a theme, with citation, is exactly the higher-order analysis AP essays reward.
AP questions on Caesar often ask about **purpose and tone** as well as translation. Be prepared to explain how a passage advances Caesar’s political self-image — justifying the war, praising Roman virtus, or casting enemies as treacherous — and support the claim with specific Latin.
On the sight-reading portion, Caesar’s prose rewards a two-pass approach: first locate the **finite main verb** and its subject, then slot in the ablative absolutes (“when…”) and indirect statements (“that…”) around it. This skeleton keeps long periodic sentences from overwhelming you.
For essays on Book IV, argue how Caesar turns **engineering feats** (the Rhine bridge, the Channel crossing) into demonstrations of Roman power and his own leadership. Tie the swift, participle-heavy syntax to the impression of effortless competence he cultivates. Support with cited Latin.
When you meet **ut + subjunctive**, run the checklist: Is there a commanding verb (indirect command)? An intensifier (result)? Neither, with a “why” sense (purpose)? Naming the construction correctly is frequently worth a point on its own and steadies your translation.
Caesar’s ethnographic excursus is prime material for essays on **cultural framing**: analyze how describing the Druids, Gallic class structure, and “barbarian” customs both informs Roman readers and casts the Gauls as an “other” whose conquest looks natural. Cite the Latin distinctions (Druidēs vs. equitēs, the ban on writing) as evidence.
For the final synthesis essay, be ready to compare the two authors directly: how does Caesar’s subordination-heavy prose project control, while Vergil’s meter and word order project emotion and destiny? Anchor every comparison in cited Latin — a specific ablative absolute in Caesar, a specific hyperbaton or simile in Vergil.

How to get a 5

Always scan the first few lines of a poem on the sight reading section; knowing the meter helps with translation and vocabulary.
Pay attention to the context of the passage; knowing the overall storyline of the Aeneid and De Bello Gallico is crucial.
In the short answer questions, always write out the specific Latin word(s) requested, and then provide the English translation/explanation.
Practice translating literally, not loosely. The graders look for your understanding of the precise grammar and syntax.
Translate literally first, then smooth only if there is time. The translation questions are scored in segments for accuracy, so rendering every case, tense, voice, and mood earns points that an elegant paraphrase can lose — never leave a word untranslated.
Find the main verb before anything else, then locate its subject and objects, then attach the participial and subordinate material. Latin word order will not help you, but morphology will: endings and agreement are the only reliable guide in a Vergilian period.
Scan from the end of the line backward. The last two feet are almost always dactyl plus spondee, so mark them first and work leftward; that fixes your framework and prevents the error of trying to force feet one and two into the wrong quantities.
In analytical essays, quote the Latin and then explain it. The rubric requires references to the Latin text that are relevant and correctly interpreted, so a claim such as "Vergil emphasizes Juno’s anger" earns credit only when it cites Iūnōnis ob īram and explains why the final position matters.
Learn the dative-taking verbs and the ablative absolute cold. Those two items account for a large share of avoidable translation errors, and both appear repeatedly in Caesar and Vergil — crēdō and parcō with the dative, and noun-plus-participle in the ablative rendered as a subordinate clause.

Key terms

Dactylic hexameter — Six feet; each of feet 1–4 is a dactyl (— ∪ ∪) or spondee (— —); the fifth foot is almost always a dactyl; the sixth has two syllables (spondee or trochee, final syllable anceps). Aeneid 1.1 scans D D S S D S with the caesura after canō.

Chiasmus — Arrangement of words in an ABBA pattern (e.g., adjective, noun, noun, adjective).

Synchysis — Interlocked word order in an ABAB pattern.

Ablative absolute — A noun or pronoun plus a participle in the ablative, grammatically independent of the main clause: hīs rēbus cognitīs, "when these things had been learned." Translate as a clause of time, cause, or circumstance. Caesar uses it constantly to compress background narrative.

Indirect statement — Verbs of saying, thinking, knowing, and perceiving take a subject accusative plus infinitive. Infinitive tense is relative to the main verb: present = same time, perfect = prior, future = subsequent. Caesar dīxit hostēs fugere = "Caesar said that the enemy were fleeing."

Cum Clause — Introduced by 'cum' + subjunctive verb; translated as when, since, or although.

Purpose Clause — Expresses the purpose of the main action; uses 'ut/ne' + subjunctive.

Result Clause — Introduced by a 'so' word (tam, ita, sic) followed by 'ut' + subjunctive.

Gerundive — A verbal adjective, passive in meaning; often used to express obligation or necessity (passive periphrastic).

Deponent Verb — A verb that is passive in form but active in meaning (e.g., conor, sequor).

Synecdoche — A figure of speech in which a part is used for the whole (e.g., 'tectum' [roof] for 'house').

Metonymy — Substitution of one word for another that it suggests (e.g., 'Ceres' for 'grain').

AP Latin syllabus — Vergil, Aeneid: selections from Books 1, 2, 4, and 6 (with the rest read in English). Caesar, Bellum Gallicum: selections from Books 1, 4, 5, and 6. The exam requires literal translation, syntactic analysis, scansion of dactylic hexameter, and analytical essays citing the Latin.

Rules of quantity for scansion — A syllable is long by nature if it has a long vowel or diphthong, and long by position if its vowel is followed by two consonants or by x or z. Qu counts as one consonant; h does not close a syllable. A final vowel or vowel plus m elides before a word beginning with a vowel or h.

Verbs taking the dative — crēdō, parcō, noceō, faveō, pāreō, persuādeō, imperō, studeō, serviō, ignōscō, cōnfīdō, resistō. Hence equō nē crēdite ("do not trust the horse") and parcere subiectīs ("to spare the conquered") — the object looks like an indirect object but is the only object there is.

Uses of cum with the subjunctive — Circumstantial (imperfect or pluperfect subjunctive, "when"), causal ("since," often with the same tenses), concessive ("although," often answered by tamen). Cum with the indicative is purely temporal, and cum plus the ablative is the preposition "with."

Participles in Latin — Present active (-ns, -ntis: ferentēs, "bearing"), perfect passive (-tus/-sus: iactātus, "having been tossed"), future active (-ūrus: futūrus), future passive or gerundive (-ndus). There is no perfect active participle except in deponents, whose perfect participle is active in meaning.

dum: indicative vs. subjunctive — Dum meaning "while" takes the present indicative even in past narrative. Dum meaning "until," when it looks forward to something anticipated or intended, takes the subjunctive: dum conderet urbem, "until he could found the city."

Common ablative uses — Means or instrument (vī superum), cause (fātō profugus), respect or specification (linguā, lēgibus differunt), manner (with cum or an adjective), agent (ā/ab with a person), comparison, degree of difference, separation, place where (usually with in), and time when.

Genitive uses to recognize — Possession; partitive or "of the whole" with numbers, superlatives, and pronouns (hōrum omnium fortissimī); description; objective and subjective genitive; genitive with certain adjectives such as plēnus and cupidus; and the genitive of the charge with judicial verbs.

Defective and deponent verbs — Deponents have passive forms and active meanings: exorior, exorīrī, exortus sum, whose singular imperative is exoriāre. Defective verbs such as meminī and ōdī use perfect forms with present meaning, so meminisse means "to remember," not "to have remembered."

Key Vergil quotations — Arma virumque canō (1.1); forsan et haec ōlim meminisse iuvābit (1.203); equō nē crēdite, Teucrī — timeō Danaōs et dōna ferentēs (2.48–49); agnōscō veteris vestīgia flammae (4.23); exoriāre aliquis nostrīs ex ossibus ultor (4.625); parcere subiectīs et dēbellāre superbōs (6.853).

Key Caesar features — Third-person self-reference for apparent objectivity; heavy use of ablative absolutes and indirect statement; ellipsis of repeated verbs; asyndeton in lists; ethnographic digressions (the Druids and the equitēs in 6.13, German customs in 6.21); and exempla of virtue such as Pullo and Vorenus in 5.44.

Poetic word order in Vergil — Hyperbaton separates words that belong together (veteris ... flammae around vestīgia); enjambment carries a phrase across the line break (Lāvīnia ... lītora); chiasmus and interlocking order create balance; and emphatic ideas are placed at line beginning or end (Iūnōnis ob īram).