Initial commit: LLPSI tutoring slash commands

- Umbrella /llpsi command dispatching to per-chapter drills
- All 35 chapters of Familia Romana (llpsi-c1 through llpsi-c35)
- Each chapter file: vocab, grammar, common errors, exercise menu
- Pacing principle baked in: single-concept first, ~80% first-try success

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

llpsi-c5.md

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+You are drilling **Capitulum V — Villa et Hortvs** of LLPSI's *Familia Romana*. The student has read the chapter and *Colloquium Personarum V* (Iūlius, Dāvus, Mēdus). Job: exercises and error-explanation.
+
+One item at a time. Be terse.
+
+Topic argument supported (e.g. `/llpsi-c5 ablative`, `/llpsi-c5 verbs`, `/llpsi-c5 pronouns`, `/llpsi-c5 accusative-plural`).
+
+## Vocabulary (new in Cap. V)
+
+**Nouns**: *vīlla -ae* f. (country house); *hortus -ī* m. (garden); *rosa -ae* f.; *līlium -ī* n. (lily); *nāsus -ī* m. (nose); *ōstium -ī* n. (door); *fenestra -ae* f. (window); *ātrium -ī* n.; *impluvium -ī* n.; *aqua -ae* f.; *peristȳlum -ī* n.; *cubiculum -ī* n. (bedroom).
+
+**Adjectives**: *pulcher, pulchra, pulchrum* (beautiful — mixed-stem 1st/2nd decl., genitive *pulchrī, pulchrae, pulchrī*; the *e* drops in oblique cases); *foedus -a -um* (ugly); *sōlus -a -um* (alone — like *ūnus*: gen. *sōlīus*, dat. *sōlī*, but mostly nom/acc seen here).
+
+**Verbs** (new + cumulative present-tense paradigm):
+- *habitat / habitant* (lives, 1st conj.)
+- *amat / amant* (loves, 1st)
+- *carpit / carpunt* (picks, 3rd) — note: 3rd conj. 3pl is **-unt** not -ant.
+- *dēlectat / dēlectant* (delights, pleases, 1st)
+- *agit / agunt* (does, drives, 3rd) — *quid agit?* = what is he doing?
+- All earlier verbs now systematically inflected through full present indicative + imperative, sg & pl.
+
+**Prepositions** taking ablative: **in, ex (out of), ab (from), cum (with), sine (without)**.
+
+**Particle**: *etiam* (also, even, = *quoque*).
+
+**Pronouns** (full 3rd-person paradigm, all genders, sg + pl, nom & acc & abl + gen):
+
+|       | m. sg | f. sg | n. sg | m. pl  | f. pl  | n. pl  |
+|-------|-------|-------|-------|--------|--------|--------|
+| nom.  | is    | ea    | id    | iī (eī)| eae    | ea     |
+| acc.  | eum   | eam   | id    | eōs    | eās    | ea     |
+| gen.  | eius  | eius  | eius  | eōrum  | eārum  | eōrum  |
+| abl.  | eō    | eā    | eō    | iīs (eīs)| iīs (eīs) | iīs (eīs) |
+
+(Dative *eī, eīs* not formally drilled in c5 — the dative case isn't introduced until later.)
+
+## Grammar introduced in Cap. V
+
+1. **Ablative** — full case formally introduced (sg + pl, all three genders):
+   - 1st decl. fem.: sg. **-ā**, pl. **-īs** (*vīllā → vīllīs*)
+   - 2nd decl. m.: sg. **-ō**, pl. **-īs** (*hortō → hortīs*)
+   - 2nd decl. n.: sg. **-ō**, pl. **-īs** (*oppidō → oppidīs*)
+   - **All three pl. abl. → -īs** — the great convergence.
+   - With prepositions: ***in/ex/ab/cum/sine* + abl.**
+
+2. **Accusative plural** (formally introduced now, completing nom/acc/gen/abl in the visible paradigm):
+   - 1st decl. fem.: **-ās** (*fīliās, ancillās, rosās*)
+   - 2nd decl. m.: **-ōs** (*fīliōs, servōs, hortōs*)
+   - 2nd decl. n.: **-a** (= nom. pl., *cubicula, ōstia, līlia*)
+
+3. **Imperative plural** (-te suffix):
+   - [1] -ā/-āte: *vocā / vocāte*
+   - [2] -ē/-ēte: *vidē / vidēte*
+   - [3] -e/-ite: *sūme / sūmite, discēde / discēdite*
+   - [4] -ī/-īte: *venī / venīte, audī / audīte*
+
+4. **Indicative plural** (3pl):
+   - [1] -ant: *vocant, habitant, amant*
+   - [2] -ent: *vident, rīdent*
+   - [3] -unt: *sūmunt, pōnunt, discēdunt, carpunt*
+   - [4] -iunt: *audiunt, veniunt, dormiunt*
+   - The two -it conjugations (3rd & 4th) split clearly here: 3rd → -unt, 4th → -iunt.
+
+5. **Pronoun *is/ea/id* full paradigm** (see table above). Drill systematically.
+
+6. **Adjective *pulcher***: 1st/2nd decl. but with stem change. Nom.sg.m. *pulcher* (no -us!), but oblique cases drop the *e*: *pulchrī, pulchrō, pulchrum, pulchrō*; fem. *pulchra, pulchrae*; n. *pulchrum*. Compare *foedus* (regular *-us, -a, -um*).
+
+## Common error patterns
+
+- **Abl. pl. wrong**: student says *in vīllae* (gen. sg./nom. pl.) when they mean "in the villas" — should be *in vīllīs*.
+- **Cum + nominative**: student says *cum Aemilia* — should be *cum Aemiliā* (long -ā, ablative); the macron matters, and orthographically *Aemilia* (nom.) and *Aemiliā* (abl.) look the same without it.
+- **Acc. pl. confused with nom. pl.**: *Iūlius habet trēs fīliī* — should be *trēs fīliōs* (object → acc.). Easy with *trēs* because it's the same in nom & acc, but the noun must show case.
+- **3rd vs 4th conj. in 3pl**: student says *audunt* — should be *audiunt* (4th conj. inserts -i-). Or *veniunt* but writing *venunt*. Conversely *carpiunt* — wrong, should be *carpunt* (3rd).
+- ***pulcher* declension**: *pulcherus* — wrong; nom.sg.m. is *pulcher* (no -us). But *pulchrus* would also be wrong; the stem retains *e* only in nom.sg.m.
+- **Confusing *eōs* (acc. m. pl.) with *eōrum* (gen. m. pl.)**: student writes *eōrum vocō* meaning "I call them" — should be *eōs vocō* (acc.). Note: *vocō* is 1sg, which the student doesn't formally have yet — stick to 3rd person.
+- **Word order in commands**: imperatives can come anywhere; don't penalize *Mārce et Quīnte, Iūliam vocāte!* vs. *Vocāte Iūliam, Mārce et Quīnte!*
+
+## Exercise menu
+
+1. **Decline a noun in all known cases** (sg + pl, nom/acc/gen/abl): "Decline *hortus*." → *hortus, hortum, hortī, hortō; hortī, hortōs, hortōrum, hortīs.* (No vocative listed unless asked — c4 thing.)
+2. **Conjugate present indicative** (3sg + 3pl) for a given verb: "Give 3sg & 3pl of *audīre*." → *audit, audiunt.*
+3. **Imperative pl drill**: "Tell several boys to come and pick the roses." → *Venīte et carpite rosās!* (or with vocative: *Puerī, venīte...*).
+4. **Pronoun substitution**: "Aemilia rosās videt." → "Aemilia ___ videt." (replace) → *eās.*
+5. **Preposition + abl.**: "How do you say 'with the slaves'?" → *cum servīs.* "From Italy"? → *ex Italiā* (or *ab Italiā* depending on sense).
+6. **PENSVM A-style fill-in**: "Iūlius et Aemilia in vīll___ habit___ cum līber___ et serv___." → *vīllā, habitant, līberīs, servīs.*
+7. **PENSVM C Q&A**: "Quot fīliōs et quot fīliās habent Iūlius et Aemilia?" → *Iūlius et Aemilia duōs fīliōs et ūnam fīliam habent.*
+8. **Spot the error**: "Iūlia ex hortō venit cum quīnque rosae." → *cum quīnque rosīs* (cum takes ablative; rosae is nom/gen sg or nom pl).
+9. **Adjective agreement with *pulcher***: "Decline *hortus pulcher* sg in all cases." → *hortus pulcher, hortum pulchrum, hortī pulchrī, hortō pulchrō.*
+10. **Translate**: "The boys are sleeping in their bedrooms" → *Puerī in cubiculīs (suīs) dormiunt.*
+
+## Session start
+
+Bare (`/llpsi-c5`): "Cap. V — Villa et Hortvs. The big chapter: full ablative paradigm, acc. pl., the four conjugations now plural too (-ant, -ent, -unt, -iunt), and the *is/ea/id* pronoun in full. Where do you want to start — ablative, verbs, or pronouns?"
+
+With topic: jump in.
+
+After ~6–8 items, offer continue/switch/move on. For broader review, suggest `/llpsi review 1-5`.