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Trey t 47a7871c38 Add 13 new grammar notes with 1010 exercises from video extraction

Scraped a 4h Spanish fundamentals YouTube video (transcript + OCR on
14810 frames), extracted structured content across 52 chapters, and
generated fill-in-the-blank quizzes for every grammar topic.

- 13 new GrammarNote entries (articles, possessives, demonstratives,
  greetings, poder, al/del, prepositional pronouns, irregular yo,
  stem-changing, stressed possessives, present/future perfect, present
  indicative conjugation)
- 1010 generated exercises across all 36 grammar notes (new + existing)
- Fix tense guide parser to handle unnumbered *Usages* blocks
- Rewrite 6 broken tense guide bodies (imperative, subj pluperfect,
  subj future) with numbered usage format
- Bump courseDataVersion 5→6 with TenseGuide refresh on upgrade
- Add docs/spanish-fundamentals/ with raw transcripts, polished notes,
  structured JSON, and exercise data

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2026-04-16 08:40:05 -05:00

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51. Past Perfect Subjunctive

Source: A Complete Guide To Every Fundamental In Spanish

The past perfect (pluperfect) subjunctive expresses what someone had done or what had happened, in the subjunctive form. It uses the past subjunctive of haber (hubiera / hubiese series) plus a past participle, and refers to actions completed before another past action.

Key Rules

Form: past subjunctive of haber + past participle.
Like the past subjunctive, haber has two equivalent endings: hubiera-series and hubiese-series.
Whole sentence must be in the past/imperfect form — main clause in preterite or imperfect.
Same W.E.I.R.D. triggers as other subjunctives.
haber + past participle is inseparable; negatives and object pronouns precede the hubiera form.
Also used in past contrary-to-fact si-clauses (Si hubiera sabido…).

Conjugation / Pattern Tables

`haber` — past subjunctive

Pronoun	-ra form	-se form
yo	hubiera	hubiese
tú	hubieras	hubieses
él/ella	hubiera	hubiese
nosotros	hubiéramos	hubiésemos
vosotros	hubierais	hubieseis
ellos	hubieran	hubiesen

Pattern

hubiera / hubieras / hubiera / hubiéramos / hubierais / hubieran + past participle.

Examples

Spanish	English
Yo dudaba que tú hubieras llegado.	I doubted that you had arrived.
Tú esperabas que él hubiera ganado el juego.	You hoped that he had won the game.
¿Había alguien que hubiera visto la película?	Was there anybody who had seen the movie?
No había nadie que hubiera dormido.	There was no one who had slept.
No era cierto que yo lo hubiera llamado.	It was not true that I had called him.
Era imposible que hubiéramos hecho eso.	It was impossible that we had done that.
Ella no creía que ellos hubieran venido.	She didn't believe that they had come.
Me alegré de que tú hubieras estudiado.	I was glad that you had studied.

Notes & Gotchas

Triggered by the same W.E.I.R.D. cues as other subjunctives, just shifted into the past-of-the-past.
Spanish requires double negatives: No había nadie que hubiera dormido (literally "no one who had slept").
Object pronouns precede the whole construction: que yo lo hubiera llamado.
The hubiera set dominates speech; hubiese is more literary.
Common pairing: past perfect subjunctive in the si-clause + conditional perfect in the result clause (Si hubieras estudiado, habrías aprobado).

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