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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>
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33. Por & Para
Source: A Complete Guide To Every Fundamental In Spanish (The Conclusion)
Both por and para often translate as "for", but they cover different situations. The simplest mental model: por looks backward (cause, duration, motion through, exchange); para looks forward (destination, deadline, purpose, recipient).
Key Rules
- Por = past or current motion/time/action: by/through, during, because of, in search of, in exchange for, per, idiomatic.
- Para = future-oriented motion/time/action: destination, deadline, purpose, recipient, comparison, employer.
- They are not interchangeable — switching one for the other usually changes meaning.
Conjugation / Pattern Tables
Seven uses of por
| # | Use | Example |
|---|---|---|
| 1 | Movement (by/through) | Yo fui por el parque. |
| 2 | Duration (during/for) | Lo hice por dos horas. |
| 3 | Reason (because of) | Llegué tarde por el tráfico. |
| 4 | In search of | Yo fui por mi lápiz. |
| 5 | Exchange (in exchange for) | Te di dinero por el boleto. |
| 6 | Per (units of measurement) | 120 kilómetros por hora. |
| 7 | Idiomatic | por ejemplo, por fin, por aquí, por eso. |
Six uses of para
| # | Use | Example |
|---|---|---|
| 1 | Destination (movement) | Salgo para Las Vegas el lunes. |
| 2 | Deadline (time) | Lo voy a hacer para el viernes. |
| 3 | Purpose (in order to) | Estudio español para ser profesor. |
| 4 | Recipient | Este regalo es para él. |
| 5 | Comparison/opinion | Para mí, esta lección es fácil. |
| 6 | Employer (work for) | Ella trabaja para Telecom. |
Examples
| Spanish | English |
|---|---|
| Yo fui por el parque. | I went through the park. |
| Yo lo hice por dos horas. | I did it for (during) two hours. |
| Llegué tarde a la casa por el tráfico. | I got home late because of the traffic. |
| Yo fui por mi lápiz. | I went for / in search of my pencil. |
| Te di dinero por el boleto. | I gave you money in exchange for the ticket. |
| 2 litros por botella. | 2 liters per bottle. |
| Por ejemplo… | For example… |
| Por fin. | At last. |
| Yo salgo para Las Vegas el lunes. | I leave for Las Vegas on Monday. |
| Lo voy a hacer para el viernes. | I'm going to do it by Friday. |
| Yo estudio español para ser profesor. | I study Spanish (in order) to be a teacher. |
| Este regalo es para él. | This gift is for him. |
| Para mí, esta lección es fácil. | For me, this lesson is easy. |
| Ella trabaja para Telecom. | She works for Telecom. |
Notes & Gotchas
- Por la mañana / por la tarde / por la noche — time of day uses por in most regions.
- Trabajar por alguien = work in someone's place; trabajar para alguien = be employed by them. Big difference.
- Para que + subjunctive = "so that" (purpose with a different subject).
- Idiomatic por: por aquí, por eso, por favor, por supuesto, por cierto, por desgracia.
- Mental shortcut: por = looking back / motivation / route; para = looking forward / target / endpoint.