Preposition · Origin · Cause · Duration
POR
Because of, through, by, for (duration), per, in exchange for — the backward-looking preposition
B1 · Grammar
vs
por y
para
para
Preposition · Purpose · Destination · Deadline
PARA
In order to, for (purpose/recipient), by (deadline), despite — the forward-looking preposition
POR
Cause · Exchange · Duration · Agent · Movement through
PARA
Purpose · Recipient · Destination · Deadline · Contrast
The key mental model
POR looks backward — PARA looks forward
The easiest way to choose: POR tends to look backward — at causes, origins, reasons, exchanges, and what has already happened. PARA tends to look forward — at goals, purposes, destinations, recipients, and what will happen.
Quick mental check
POR = because of / through / by / for (time past or exchange)
↔
PARA = in order to / for (purpose) / to (destination) / by (deadline)
⬅️
POR — the backward preposition: Ask yourself: “Is this about a cause, a means, a duration in the past, or an exchange?” → POR. Think: what came before / what drove this.
➡️
PARA — the forward preposition: Ask yourself: “Is this about a goal, purpose, destination, recipient, or deadline?” → PARA. Think: what comes after / what this is aimed at.
POR — All Uses
POR — Uses 1–4
Cause, motive, exchange & agent
1 — Cause / Reason / Motive
Because of / due to / out of
The reason WHY something happened — looking back at the cause.
“Lo hice por ti.” — I did it because of you / for your sake.
“Cerraron por la lluvia.” — They closed because of the rain.
“Cerraron por la lluvia.” — They closed because of the rain.
2 — Exchange / In return for
In exchange for / in return for
Trading one thing for another — swapping.
“Pagué 50 euros por el libro.” — I paid €50 for the book.
“Te cambio mi sándwich por tu bocadillo.” — I’ll swap my sandwich for yours.
“Te cambio mi sándwich por tu bocadillo.” — I’ll swap my sandwich for yours.
3 — Duration of time
For (a period of time) — how long something lasted
Duration of a completed or ongoing action.
“Estudié por dos horas.” — I studied for two hours.
“Vivió en Madrid por años.” — He lived in Madrid for years.
“Vivió en Madrid por años.” — He lived in Madrid for years.
4 — Agent of passive action
By (who did it — passive voice)
The person who carried out an action in passive constructions.
“El libro fue escrito por Cervantes.” — The book was written by Cervantes.
POR — Uses 5–8
Movement, means, rate & feelings
5 — Movement through / along / around
Through / along / around / via
Movement through a space or area — not a destination.
“Caminamos por el parque.” — We walked through the park.
“Voy por la autopista.” — I’m going along the motorway.
“Voy por la autopista.” — I’m going along the motorway.
6 — Means / Method of communication
By (means) / via / through
How something is communicated or sent.
“Te llamo por teléfono.” — I’ll call you by phone.
“Lo vi por internet.” — I saw it on / via the internet.
“Lo vi por internet.” — I saw it on / via the internet.
7 — Rate / Frequency / Per
Per / every / at a rate of
Expressing rates, prices per unit, frequency.
“Gana 15 euros por hora.” — He earns €15 per hour.
“Dos veces por semana.” — Twice per week.
“Dos veces por semana.” — Twice per week.
8 — On behalf of / for the sake of / feelings toward
For (someone’s benefit) / out of (emotion)
Acting for someone else’s sake; expressing feelings for.
“Siento mucho cariño por ella.” — I feel a lot of affection for her.
“Habla por todos.” — He speaks on behalf of everyone.
“Habla por todos.” — He speaks on behalf of everyone.
PARA — All Uses
PARA — Uses 1–4
Purpose, recipient & destination
1 — Purpose / Goal / In order to
In order to / so that / for the purpose of
Why you do something — the aim or goal (followed by infinitive).
“Estudio español para viajar a Sudamérica.” — I study Spanish in order to travel to South America.
“Trabaja para vivir.” — He works to live.
“Trabaja para vivir.” — He works to live.
2 — Recipient / Intended for
For (someone) — who is the beneficiary
Who something is intended for — the receiver.
“Este regalo es para ti.” — This gift is for you.
“Cocinó para todos.” — She cooked for everyone.
“Cocinó para todos.” — She cooked for everyone.
3 — Destination / Direction toward
To / toward (a place) — final destination
Where you are headed — the endpoint of a journey.
“El avión sale para París.” — The plane leaves for Paris.
“Voy para casa.” — I’m heading home.
“Voy para casa.” — I’m heading home.
4 — Deadline / By a certain time
By (a deadline) / for (a specific date)
When something must be done by — a future time limit.
“Necesito el informe para el lunes.” — I need the report by Monday.
“Lo terminaré para las cinco.” — I’ll finish it by five.
“Lo terminaré para las cinco.” — I’ll finish it by five.
PARA — Uses 5–7
Opinion, comparison & “considering”
5 — Opinion / Point of view
For / in the opinion of / according to
Expressing someone’s personal opinion or perspective.
“Para mí, es demasiado picante.” — For me / In my opinion, it’s too spicy.
“Para ella, el dinero no importa.” — For her, money doesn’t matter.
“Para ella, el dinero no importa.” — For her, money doesn’t matter.
6 — Comparison / Unexpected contrast
For (considering) / given that / despite
Something surprising given the circumstances — “considering that.”
“Hablas bien español para ser principiante.” — You speak Spanish well for a beginner.
“Hace calor para ser diciembre.” — It’s warm for December.
“Hace calor para ser diciembre.” — It’s warm for December.
7 — Employment / Working for
Working for (an employer / organisation)
Who someone works for — their employer.
“Trabajo para una empresa alemana.” — I work for a German company.
“Ella trabaja para el gobierno.” — She works for the government.
“Ella trabaja para el gobierno.” — She works for the government.
🎯
Para + infinitive = purpose: Whenever you can say “in order to” in English and it makes sense, use para: “Estudia mucho para aprobar” (He studies a lot in order to pass).
The Trickiest Contrasts
When they’re easily confused
Same English word — different Spanish preposition
The main difficulty is that both por and para can translate as “for” in English. The trick is to identify the underlying cause/exchange/duration (por) vs purpose/recipient/deadline (para).
Te llamo por ti.
I’m calling because of you / for your sake. (cause)
vs
Compré flores para ti.
I bought flowers for you. (recipient/intended for)
Estudié inglés por dos años.
I studied English for two years. (duration)
vs
Estudio inglés para mi trabajo.
I study English for my work. (purpose)
Lo hizo por dinero.
He did it for money. (motivated by / because of)
vs
Lo hizo para ganar dinero.
He did it to earn money. (purpose / goal)
Trabajo por necesidad.
I work out of necessity. (motive / reason)
vs
Trabajo para vivir mejor.
I work (in order) to live better. (purpose)
Pasamos por Madrid.
We passed through Madrid. (movement through)
vs
Salimos para Madrid.
We left for Madrid. (destination / heading toward)
💡
“For” test — exchange: If “for” means “in exchange for” (you’re trading one thing for another), always use por: “Pagué €20 por la camiseta” (I paid €20 for the t-shirt).
🎯
“For” test — recipient: If “for” means “intended for someone”, always use para: “Compré la camiseta para mi hermano” (I bought the t-shirt for my brother).
Full reference
POR vs PARA — Complete Quick Reference
| Use / Trigger | POR | PARA |
|---|---|---|
| Cause / reason (because of) | por el tráfico | — |
| Purpose (in order to) | — | para estudiar |
| Recipient (intended for) | — | para ti |
| Exchange (in return for) | por 50 euros | — |
| Duration (for how long) | por dos horas | — |
| Deadline (by when) | — | para el lunes |
| Destination (heading to) | — | para Madrid |
| Movement through / along | por el parque | — |
| Means / method | por teléfono | — |
| Passive agent (by) | por Picasso | — |
| Rate / per | 10€ por hora | — |
| Opinion / point of view | — | para mí |
| Considering / despite | — | para ser novato |
| Employer (work for) | — | para Google |
| On behalf of / for sake of | hablar por todos | — |
Fixed expressions with POR
Always POR — set phrases
por favor
por cierto
por supuesto
por fin
por lo menos
por ejemplo
por eso
por lo tanto
por si acaso
por aquí
por todas partes
por casualidad
¿Me puedes ayudar, por favor?
Could you help me, please?
Por cierto, ¿has visto a Marcos?
By the way, have you seen Marcos?
¡Por fin llegaste!
You finally arrived! / At last!
Fixed expressions with PARA
Always PARA — set phrases
para siempre
para nada
para colmo
para entonces
no es para tanto
para que (so that)
para variar
estar para
Te quiero para siempre.
I love you forever.
No me ayudó para nada.
He didn’t help me at all.
Te lo digo para que lo sepas.
I’m telling you so that you know. (+ subjunctive)
1
Fill in: por or para?
– Write the correct preposition in each blank.
Estudio español poder trabajar en España. purpose
Me dieron el premio mi trabajo voluntario. because of / cause
El tren sale Barcelona a las ocho. destination
Pagué doscientos euros este abrigo. exchange
Necesito terminar el proyecto el viernes. deadline
Llamé teléfono pero no contestó. means / method
mí, esta ciudad es demasiado ruidosa. opinion
El museo fue diseñado un famoso arquitecto. passive agent
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2
Why is POR or PARA used?
– Identify the reason for the choice.
Compramos un ramo de flores para nuestra profesora.
Corrimos por el bosque durante una hora.
Hablas muy bien inglés para ser español.
Te mando el documento por correo electrónico.
Ahorró dinero para comprarse un coche.
⭐
3
Correct or Incorrect?
– Is por or para used correctly?
Salgo para el aeropuerto en una hora.
✔ Correct! Para = destination / heading toward. “I’m leaving for the airport.” ✓
Lo compramos para 20 euros.
✘ Incorrect! An exchange of money uses por: “Lo compramos por 20 euros.” Para = purpose/recipient, not exchange.
Gracias por tu ayuda — sin ti no lo habría conseguido.
✔ Correct! Por = because of / for the sake of (your help = the cause/reason for gratitude). “Thanks for your help.” ✓
Esta novela fue escrita para García Márquez.
✘ Incorrect! The passive agent (the person who did the action) uses por: “Esta novela fue escrita por García Márquez.”
Necesito este documento para el martes sin falta.
✔ Correct! Para = deadline / by when. “I need this document by Tuesday.” ✓
Paseamos para el centro histórico toda la tarde.
✘ Incorrect! Movement through a place / along a route uses por: “Paseamos por el centro histórico.” Para would imply we were heading there as a destination, not strolling through it.
🌟
4
Put the words in order
– Build the sentence using por or para correctly. Click the answer area to undo.
Sentence 1 — para (purpose + destination):
Salgo
para
Madrid
para
asistir
a
una
conferencia.
Click words above…
Sentence 2 — por (cause) + para (deadline):
Por
el
mal
tiempo,
no
llegué
para
las
ocho.
Click words above…
Sentence 3 — por (exchange) + para (recipient):
Pagué
cien
euros
por
un
regalo
para
mi
madre.
Click words above…
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