47a7871c38
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 Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
56 lines
4.1 KiB
JSON
56 lines
4.1 KiB
JSON
{
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"chapter_id": "26",
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"slug": "past-tense-of-ser-and-ir",
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"title": "Past Tense of Ser and Ir",
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"time_range_sec": [6488, 6872],
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"summary": "Ser and ir share identical preterite conjugations: fui, fuiste, fue, fuimos, fuisteis, fueron. Context, especially the preposition 'a', distinguishes them. No accents on these forms.",
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"suggested_grammar_note_id": "preterite-vs-imperfect",
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"rules": [
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{"title": "Identical forms", "bullets": ["ser and ir share the exact same preterite: fui, fuiste, fue, fuimos, fuisteis, fueron.", "No written accents on any form."]},
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{"title": "Distinguishing ser from ir", "bullets": ["If the preposition 'a' follows (with or without an infinitive), the verb is ir.", "Otherwise, the verb is usually ser."]},
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{"title": "When ser is used in preterite", "bullets": ["Events that took place at a specific moment (when, where, how).", "Completed states/judgments about events: 'La película fue aburrida.'", "For describing how things were generally, use the imperfect (era), not preterite."]}
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],
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"examples": [
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{"es": "Yo fui a la tienda.", "en": "I went to the store.", "tags": ["ir", "preterite"]},
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{"es": "Tú fuiste a hacer tu tarea.", "en": "You went to do your homework.", "tags": ["ir", "preterite"]},
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{"es": "Ella fue al concierto ayer.", "en": "She went to the concert yesterday.", "tags": ["ir", "preterite"]},
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{"es": "Fuimos a ver la fiesta.", "en": "We went to see the party.", "tags": ["ir", "preterite"]},
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{"es": "Ellos fueron a la playa.", "en": "They went to the beach.", "tags": ["ir", "preterite"]},
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{"es": "La película fue aburrida.", "en": "The movie was boring.", "tags": ["ser", "preterite", "event"]},
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{"es": "Fue difícil hacer la prueba.", "en": "It was difficult to do the test.", "tags": ["ser", "preterite"]},
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{"es": "La fiesta fue en el club.", "en": "The party was in the club.", "tags": ["ser", "preterite", "event-location"]},
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{"es": "Fue un día largo.", "en": "It was a long day.", "tags": ["ser", "preterite"]},
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{"es": "Fuimos amigos por años.", "en": "We were friends for years.", "tags": ["ser", "preterite"]}
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],
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"vocab": [
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{"es": "ser", "en": "to be", "pos": "verb"},
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{"es": "ir", "en": "to go", "pos": "verb"},
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{"es": "la película", "en": "the movie", "pos": "noun"},
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{"es": "la prueba", "en": "the test", "pos": "noun"},
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{"es": "el concierto", "en": "the concert", "pos": "noun"},
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{"es": "la fiesta", "en": "the party", "pos": "noun"}
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],
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"conjugation_tables": [
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{
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"verb": "ser",
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"tense_id": "ind_preterito",
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"forms": {"yo":"fui","tu":"fuiste","el":"fue","nosotros":"fuimos","vosotros":"fuisteis","ellos":"fueron"}
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},
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{
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"verb": "ir",
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"tense_id": "ind_preterito",
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"forms": {"yo":"fui","tu":"fuiste","el":"fue","nosotros":"fuimos","vosotros":"fuisteis","ellos":"fueron"}
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}
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],
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"exercises": [
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{"sentence": "Ayer yo _____ al cine.", "correct": "fui", "distractor": "iba", "explanation": "Preterite of ir = fui (completed action). 'Iba' is imperfect."},
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{"sentence": "La fiesta _____ muy divertida.", "correct": "fue", "distractor": "era", "explanation": "An event that happened — use the preterite of ser (fue)."},
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{"sentence": "Nosotros _____ a la playa el sábado.", "correct": "fuimos", "distractor": "vamos", "explanation": "Preterite of ir = fuimos. 'Vamos' is present."},
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{"sentence": "Tú _____ doctor antes, ¿verdad?", "correct": "fuiste", "distractor": "fue", "explanation": "Tú preterite of ser = fuiste."},
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{"sentence": "Ellos _____ al supermercado anoche.", "correct": "fueron", "distractor": "fueran", "explanation": "Preterite of ir, ellos form = fueron."},
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{"sentence": "_____ difícil aprender español.", "correct": "Fue", "distractor": "Era", "explanation": "Completed evaluation of an event — preterite of ser (fue)."},
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{"sentence": "¿A dónde _____ tú anoche?", "correct": "fuiste", "distractor": "fueras", "explanation": "Preterite of ir, tú form = fuiste."}
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],
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"caveats": "OCR rendered 'fui' as 'F', 'fue' as 'Fu', 'fueron' as 'fuon' — reconstructed standard preterite forms."
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}
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