B1 Prepositions 11 min read Medio

Encontrar por casualidad (Come across)

Domina come across para expresar de forma natural descubrimientos accidentales y encuentros inesperados en inglés. ¡Te hará sonar muy natural!

Grammar Rule in 30 Seconds

Use 'come across' when you find something or someone unexpectedly without looking for them.

  • Use it for objects: 'I came across an old letter.' (max 20 words)
  • Use it for people: 'I came across my boss at the gym.'
  • Never put the object between 'come' and 'across'.
👤 + 🚶‍♂️ + 🔍 (Accidentally) + 📦/👤

Overview

¿Alguna vez has encontrado un billete de 20 dólares en unos vaqueros que no te ponías desde el verano pasado? ¿O tal vez estabas haciendo scroll en TikTok y te topaste con un vídeo de tu profesor de guardería bailando un éxito viral? Esa sensación de
encontrar algo por casualidad
es exactamente de lo que trata come across.
Es uno de esos phrasal verbs que te hacen sonar menos como un libro de texto y más como un hablante nativo. En esta guía, veremos cómo usar come across sin que suene raro.
En su esencia, come across es un phrasal verb. Si eres nuevo en el inglés, un phrasal verb es simplemente un verbo (como come) emparejado con una preposición o adverbio (como across). Juntos, crean un significado totalmente nuevo que no tiene nada que ver con venir o cruzar una calle físicamente.
Usas come across de dos maneras principales. La primera es encontrar algo o conocer a alguien por total accidente. No lo estabas buscando, pero ahí estaba.
Es el
¡Uy, mira lo que he encontrado!
del idioma inglés. La segunda manera es sobre las primeras impresiones. Describe cómo pareces ante los demás.
Por ejemplo, si estás en una entrevista de trabajo por Zoom y llevas puestos pantalones de pijama (no te preocupes, todos lo hemos hecho), quieres come across (parecer/dar la impresión) como un profesional, incluso si tu gato está atacando tus pies bajo el escritorio.
¿Por qué es importante esto? Porque usar la palabra find todo el tiempo es un poco aburrido. Come across añade sabor.
Le dice al oyente que el descubrimiento fue una sorpresa. Es la diferencia entre encontré mis llaves (que estaba buscando) y
me come across (topé con) mi vieja GameBoy
(que había olvidado que existía).

How This Grammar Works

Este phrasal verb es inseparable. Esta es una forma elegante de decir que no puedes poner otras palabras en medio. No puedes decir
I came a book across
.
Eso suena como si tuvieras un error en la matriz. Siempre debes mantener come y across justo uno al lado del otro: come across + [la cosa que encontraste].
Funciona en todos los tiempos verbales, pero solo cambias la parte del come. Across se queda exactamente como está. Es como un perro leal que nunca se separa del lado de su dueño.
  • Presente: A menudo come across (encuentro por casualidad) cafeterías chulas en esta ciudad.
  • Pasado: came across (me topé con) un tuit extraño ayer.
  • Futuro: Te come across (encontrarás/toparás) con muchos desafíos en este juego.

Chiste: ¿Por qué el estudiante come across (cruzó/se topó con) la carretera? ¡Porque encontró un libro de gramática que no estaba buscando en el otro lado! (Vale, me limitaré a enseñar, lo prometo).

Formation Pattern

1
Usar come across sigue una receta muy sencilla. Sigue estos pasos para construir tus frases:
2
Empieza con tu Sujeto (I, You, He, She, We, They).
3
Añade el verbo come (conjugado para el tiempo y persona correctos).
4
Añade la palabra across.
5
Añade el Objeto (la persona o cosa que encontraste / lo que pareciste).

Conjugation Table

Form Example Translation
--- --- ---
I/You/We/They (Present) I come across Me encuentro con / Doy la impresión
He/She/It (Present) She comes across Ella parece / Da la impresión
Past Tense We came across Nos encontramos con / Topamos con
Continuous He is coming across Él está pareciendo / Dando la impresión

Politeness Levels

- Informal

¡Me came across (topé con) tu Instagram ayer!
(Genial para amigos).

- Formal

Durante mi investigación, came across (encontré por casualidad) una estadística interesante.
(Perfecto para ensayos o trabajo).

- Muy formal

Uno puede come across (toparse con) ciertas dificultades.

When To Use It

El contexto lo es todo. Aquí están los momentos más comunes en los que usarás esta frase:
  1. 1Encontrar objetos por casualidad: Estás limpiando tu habitación y encuentras tu viejo carné del instituto.
    ¡Me came across (topé con) esta foto vieja!
  2. 2Conocer gente inesperadamente: Estás en un festival de música y ves a tu antiguo vecino.
    Me came across (topé con) mi vecino en el concierto.
  3. 3Encontrar información online: Estás navegando por Reddit y encuentras una receta genial.
    Me came across (topé con) un tutorial para hacer pan de masa madre.
  4. 4Describir personalidades (Impresiones): Este es el uso de
    ¿cómo me veo?
    .
    Él comes across (parece/da la impresión) de ser muy seguro de sí mismo en sus vídeos.
  5. 5Entornos profesionales: Al revisar documentos.
    Me came across (topé con) un pequeño error en el informe.

Common Mistakes

  • El error de división: ✗
    I came an old friend across.
    I came across an old friend.
    ¡Siempre juntos!
  • Confusión con Find: No uses come across para cosas que estabas buscando activamente.
  • Olvidar el As: Al hablar de impresiones, solemos usar as. ✗
    He comes across nice.
    He comes across as nice.

Contrast With Similar Patterns

  • Find: Término general. Puede ser intencionado o accidental. Come across es *solo* accidental.
  • Run into: Muy similar a come across cuando se habla de personas.
  • Stumble upon: Una versión más poética/dramática de come across.

Quick FAQ

P: ¿Puedo usarlo para un olor?

R: No realmente. Solemos usar catch a whiff of.

P: ¿Está bien usarlo en una entrevista de trabajo?

R: ¡Sí! Puedes decirlo al investigar sobre la empresa.

P: ¿Cuál es el truco de memoria?

R: Piensa en una cruz (cross) física. Tú vas por un camino y el objeto está ahí. Vuestros caminos se cruzan (cross). ¡Te lo come across (topas)!

2. Negative Contractions

Full Form Contraction Usage
do not come across
don't come across
General truth/habit
does not come across
doesn't come across
Third person singular
did not come across
didn't come across
Past events

Conjugating 'Come Across'

Tense Subject Form Example
Present Simple
I/You/We/They
come across
I often come across old friends.
Present Simple
He/She/It
comes across
She comes across as very kind.
Past Simple
All subjects
came across
We came across a hidden path.
Present Perfect
I/You/We/They
have come across
I have come across this issue before.
Past Participle
All subjects
come across
The message had come across clearly.
Continuous
All subjects
coming across
He is coming across as a bit arrogant.

Meanings

To find something or meet someone by chance, rather than by looking for them intentionally.

1

Finding Objects

To discover an item unexpectedly while doing something else.

“I came across a twenty-dollar bill in my winter coat.”

“Scientists came across a new species of frog in the rainforest.”

2

Meeting People

To encounter a person by chance in a public place.

“I came across an old school friend in London last week.”

“It's a small town; you're bound to come across someone you know.”

3

Impression/Personality

To behave in a way that makes people believe you have a particular characteristic.

“He comes across as a very shy person, but he's actually quite talkative.”

“I hope I didn't come across as rude during the interview.”

4

Clarity of Ideas

When an idea or emotion is expressed clearly and understood by others.

“Your point didn't really come across in the essay.”

“The humor in the movie doesn't always come across well in translation.”

Reference Table

Reference table for Encontrar por casualidad (Come across)
Situación Intención Ejemplo Notas
Encontrar un objeto
Accidental
`I came across an old photo.`
No buscabas activamente.
Conocer a una persona
Accidental
`She came across a former colleague.`
Encuentro inesperado.
Descubrir información
Accidental
`He came across an interesting fact.`
Mientras hacías otra cosa.
Encontrar un problema
Accidental
`We came across a bug in the code.`
Un problema imprevisto.
Percibir una impresión
Accidental
`His speech came across well.`
Cómo algo fue percibido.
Búsqueda activa
Intencional
`I found my keys.`
Usa `find`, no `come across`.

Espectro de formalidad

Formal
I encountered a relevant document during my research.

I encountered a relevant document during my research. (Academic/Casual)

Neutral
I came across an interesting paper while reading.

I came across an interesting paper while reading. (Academic/Casual)

Informal
I found this cool article online.

I found this cool article online. (Academic/Casual)

Jerga
I just stumbled on this sick post.

I just stumbled on this sick post. (Academic/Casual)

Formas de usar 'Come Across'

Come Across

Objetos

  • Old photo Came across an old photo.
  • Rare book Come across a rare book.

Personas

  • Old friend Came across an old friend.
  • Colleague Come across a former colleague.

Información/Ideas

  • Interesting article Come across an interesting article.
  • New idea Came across a great idea.

Problemas/Desafíos

  • Technical glitch Came across a technical glitch.
  • Difficulty Come across a difficulty.

'Come Across' vs. Verbos Similares

Come Across (Hallazgo Accidental)
Accidental find `I came across my keys while cleaning.`
Perception `He came across as shy.`
Find / Discover (Búsqueda Intencional)
Intentional search `I found my keys after looking.`
New knowledge (active) `Scientists discovered a cure.`
Run into / Bump into (Encuentro Personal Inesperado)
Meet person unexpectedly `I ran into an old friend.`
Casual encounter (person) `We bumped into the boss.`

¿Debo usar 'Come Across'?

1

¿Fue el encuentro o descubrimiento accidental?

YES
Ir al siguiente paso
NO
Usa 'find', 'discover', 'meet', etc.
2

¿Estás hablando de encontrar un objeto, información o de conocer a una persona?

YES
Usa 'come across' (ej. `I came across a book.`)
NO
¿Es sobre cómo fue percibido algo? Si sí, usa 'come across as...' (ej. `He came across as confident.`) Si no, necesitas otro verbo.

¿Con qué te puedes 'Come Across'?

🎁

Artículos Físicos

  • Old letters
  • Rare collectibles
  • Lost keys
  • A cool rock
🙋‍♀️

Personas

  • An old classmate
  • A distant relative
  • A former neighbor
  • A celebrity
📱

Contenido Digital

  • A viral video
  • An interesting article
  • A new podcast
  • An inspiring quote
🧠

Conceptos Abstractos

  • A brilliant idea
  • A new perspective
  • A difficult problem
  • An unexpected truth

Ejemplos por nivel

1

I came across a dog in the park.

I found a dog by accident in the park.

2

Did you come across my pen?

Did you find my pen by accident?

3

I came across a nice shop.

I found a nice shop by chance.

4

She came across an old book.

She found an old book by accident.

1

I came across some old coins in the garden.

I found some old coins while gardening.

2

We came across a small cafe near the beach.

We found a cafe by chance while walking.

3

He came across his teacher at the cinema.

He met his teacher by accident.

4

I didn't come across any problems with the car.

I didn't find any problems.

1

I came across an interesting article while browsing the web.

I found an article by chance online.

2

She comes across as a very confident leader.

She gives the impression of being confident.

3

If you come across any errors, please let me know.

If you find any mistakes by chance...

4

We came across a lot of opposition to the new plan.

We encountered resistance unexpectedly.

1

The candidate came across very well during the televised debate.

The candidate made a good impression.

2

I came across this rare manuscript in a dusty corner of the library.

I discovered a rare book by chance.

3

It's difficult to come across such high-quality materials these days.

It is hard to find these materials by chance/luck.

4

His sarcasm didn't really come across in the text message.

His sarcasm wasn't clearly communicated.

1

In his latest book, he comes across as somewhat disillusioned with modern society.

He appears to be disillusioned based on his writing.

2

The researchers came across a significant anomaly in the control group data.

They found an unexpected data point.

3

I've never come across such a blatant disregard for the rules.

I have never encountered such behavior before.

4

The emotional depth of the performance really came across to the audience.

The audience felt and understood the emotion.

1

The nuances of the dialect often fail to come across in standard translations.

The subtle meanings are lost in translation.

2

One occasionally comes across a piece of architecture that defies all categorization.

One sometimes finds a unique building by chance.

3

He comes across as an intellectual heavyweight, despite his lack of formal schooling.

He gives the impression of being very smart.

4

The sheer scale of the tragedy only truly came across when the aerial footage was released.

The magnitude was only understood then.

Fácil de confundir

Finding Things by Accident (Come across) vs Come across vs. Run into

Both mean meeting by chance. Learners use them interchangeably for objects.

Finding Things by Accident (Come across) vs Come across vs. Find

Learners use 'come across' for things they were actively searching for.

Finding Things by Accident (Come across) vs Come across vs. Come over

The words look similar.

Errores comunes

I came an old book across.

I came across an old book.

You cannot put the object in the middle.

I comed across a cat.

I came across a cat.

'Come' is irregular. The past is 'came'.

I come across with my friend.

I came across my friend.

Do not use 'with' after 'across'.

I came across to a shop.

I came across a shop.

No 'to' is needed.

I am looking for my keys and I came across them.

I was looking for my keys and I found them.

If you are looking for it, use 'find', not 'come across'.

He comes across like a nice guy.

He comes across as a nice guy.

Use 'as' for impressions, not 'like'.

I came across it yesterday.

I came across it yesterday.

Wait, this is correct! A common mistake is saying 'I came it across'.

The message didn't come acrossed.

The message didn't come across.

In negative past, the main verb stays in base form.

I came across to him in the street.

I came across him in the street.

Adding 'to' changes the meaning or makes it ungrammatical.

He comes across as being rude.

He comes across as rude.

'Being' is usually redundant here.

The idea came across itself well.

The idea came across well.

'Come across' is not reflexive in this sense.

Patrones de oraciones

I came across ___ while I was ___.

He/She comes across as ___.

Have you ever come across ___?

The ___ didn't really come across in the ___.

Real World Usage

Social Media very common

I came across your TikTok and had to follow!

Job Interviews common

I want to come across as someone who is eager to learn.

Academic Research common

The researchers came across a flaw in the previous study.

Travel very common

We came across a beautiful waterfall while hiking.

Texting constant

Look at this meme I came across lol.

Online Shopping occasional

I came across this dress and thought of you.

💡

Recuerda los hallazgos 'accidentales'

Piensa en come across como encontrar algo sin buscarlo activamente. Si lo estabas buscando, find suele ser mejor. ¡Es cuestión de sorpresa!
I came across my old diary.
⚠️

No separes el verbo

Cuando come across significa 'encontrar por casualidad', es inseparable. Siempre dices
I came across a book
, nunca
I came a book across
. ¡Mantenlos juntos como mejores amigos!
🎯

Distingue el uso de percepción

Además del hallazgo accidental, come across también describe cómo alguien o algo es percibido. Por ejemplo,
She came across as very intelligent
. ¡Este matiz es súper útil en entornos profesionales!
🌍

Natural en charlas casuales

Usar come across hace que tu inglés suene mucho más natural, especialmente en conversaciones cotidianas. Es un *phrasal verb* común que los nativos usan todo el tiempo para encuentros inesperados, ¡desde leyendas de Instagram hasta chismorreos en la cafetería!

Smart Tips

Use 'come across as' followed by an adjective. It's the most natural way to describe first impressions.

He seems like a nice person. He comes across as a nice person.

Always use 'came across' to emphasize that you weren't looking for that specific item.

I found an old toy while cleaning. I came across an old toy while cleaning.

Glue 'come' and 'across' together. Never let a pronoun break them up.

I came it across. I came across it.

Use 'come across' in the negative to explain why someone didn't understand you.

They didn't understand my point. My point didn't really come across.

Pronunciación

/kʌm əˈkrɒs/

Linking

The 'm' in 'come' links to the 'a' in 'across'. It sounds like 'co-macross'.

come a-CROSS

Stress

The primary stress is on the second syllable of 'across'.

Falling Intonation

I came across a ↘️ photo.

A standard declarative statement.

Memorízalo

Mnemotecnia

ACROSS = A Chance Random Occurrence Someplace Somewhere.

Asociación visual

Imagine you are walking across a bridge and you see a shiny diamond on the floor. You weren't looking for a diamond, you were just walking 'across' the bridge.

Rhyme

When you're walking and you're lost, see what you have come across!

Story

I was cleaning my room when I came across a map. The map led me to a park where I came across an old friend. We talked, and he came across as a very happy person.

Word Web

ChanceAccidentDiscoveryEncounterImpressionInseparable

Desafío

Look through a random book or website for 2 minutes. Write down one interesting fact or word you 'came across'.

Notas culturales

In the UK, 'come across' is very common in school reports to describe a student's attitude (e.g., 'He comes across as a diligent student').

Americans often use 'run into' for people more frequently than 'come across', reserving 'come across' for objects or abstract ideas.

Aussies might use 'stumble across' as a more casual alternative in outdoor contexts.

The phrase combines the verb 'come' (Old English cuman) with 'across' (from 'a-' + 'cross').

Inicios de conversación

Have you ever come across something valuable on the street?

How do you think you come across to people when you first meet them?

What's the strangest thing you've ever come across in an old book?

If you came across a suitcase full of money, would you keep it?

Temas para diario

Describe a time you came across an old memory (like a photo or toy). How did it make you feel?
Write about a person you know. How do they come across to others versus how they really are?
Imagine you are an explorer. Write a diary entry about something amazing you came across in the jungle.
Discuss the importance of 'coming across well' in a professional environment. Is it more important than actual skill?

Errores comunes

Incorrect

Correcto


Incorrect

Correcto


Incorrect

Correcto


Incorrect

Correcto

Test Yourself

Elige la forma correcta para completar la frase.

Yesterday, I ___ a really old map in the attic.

✓ Correct! ✗ Not quite. Correct answer: came across
Como la acción ocurrió 'yesterday' (ayer), necesitamos el pasado del verbo 'come', que es 'came'. Por lo tanto, 'came across' es correcto.
Encuentra y corrige el error en la frase. Error Correction

Find and fix the mistake:

I often come my favorite songs across when browsing playlists.

✓ Correct! ✗ Not quite. Correct answer: I often come across my favorite songs when browsing playlists.
El *phrasal verb* 'come across' es inseparable cuando significa 'encontrar por casualidad'. La estructura correcta es 'come across [objeto]'.
¿Qué frase usa 'come across' correctamente? Opción múltiple

Elige la frase correcta:

✓ Correct! ✗ Not quite. Correct answer: She came across an interesting article while scrolling her feed.
Come across implica encontrar algo por casualidad, no buscar activamente o planear un encuentro. Deslizarse por el feed es una actividad incidental.

Score: /3

Ejercicios de practica

8 exercises
Fill in the correct form of 'come across'.

Yesterday, I ___ an old diary in my desk.

✓ Correct! ✗ Not quite. Correct answer: came across
The sentence refers to 'yesterday', so we need the past tense 'came'.
Which sentence is grammatically correct? Opción múltiple

Choose the correct word order.

✓ Correct! ✗ Not quite. Correct answer: I came across it in the park.
'Come across' is inseparable; the object must follow the preposition.
Find the mistake in the sentence. Error Correction

Find and fix the mistake:

She comes across with a very intelligent person.

✓ Correct! ✗ Not quite. Correct answer: with
We should use 'as' instead of 'with' when describing an impression.
Put the words in the correct order. Sentence Reorder

across / did / you / any / come / problems / ?

✓ Correct! ✗ Not quite. Correct answer: Did you come across any problems?
Standard question structure: Did + Subject + Verb + Object.
Translate to English: 'Encontré esta tienda por casualidad.' Traducción

Translate using 'come across'.

✓ Correct! ✗ Not quite. Correct answer: I came across this shop.
'Encontré por casualidad' is the perfect context for 'came across'.
Match the sense with the example. Match Pairs

1. Finding an object, 2. Giving an impression, 3. Meeting a person

✓ Correct! ✗ Not quite. Correct answer: 1-B, 2-A, 3-C
A: He comes across as shy. B: I came across a coin. C: I came across my boss.
Which verb is best for an intentional search? Opción múltiple

I ___ my keys after looking for twenty minutes.

✓ Correct! ✗ Not quite. Correct answer: found
'Found' is used for intentional results; 'come across' is for accidents.
Complete the sentence.

The teacher's explanation didn't really ___ to the students.

✓ Correct! ✗ Not quite. Correct answer: come across
After 'didn't', we use the base form of the verb.

Score: /8

Practice Bank

12 exercises
Completa la frase con la forma correcta de 'come across'. Completar huecos

You might ___ some unexpected deals if you browse the clearance section.

✓ Correct! ✗ Not quite. Correct answer: come across
Elige la mejor palabra para completar la frase. Completar huecos

During her travels, she often ___ new cultures and traditions.

✓ Correct! ✗ Not quite. Correct answer: comes across
Identifica y corrige el error en la frase. Error Correction

He actively searched for his lost dog and came across it in the park.

✓ Correct! ✗ Not quite. Correct answer: He actively searched for his lost dog and found it in the park.
Corrige el uso incorrecto de 'come across'. Error Correction

Her presentation came across confusing because of the lack of examples.

✓ Correct! ✗ Not quite. Correct answer: Her presentation came across as confusing because of the lack of examples.
Selecciona la frase donde 'come across' se usa correctamente. Opción múltiple

¿Qué frase es correcta?

✓ Correct! ✗ Not quite. Correct answer: I came across a beautiful old book at the flea market.
Identifica la frase que usa 'come across' correctamente. Opción múltiple

¿Qué frase es correcta?

✓ Correct! ✗ Not quite. Correct answer: While browsing, she came across an intriguing documentary.
Escribe la frase correcta en inglés para la traducción. Traducción

Traduce al inglés: 'Me encontré con un antiguo manuscrito en la biblioteca.'

✓ Correct! ✗ Not quite. Correct answer: ["I came across an ancient manuscript in the library."]
Traduce lo siguiente al inglés natural. Traducción

Traduce al inglés: 'Su propuesta sonó muy convincente.'

✓ Correct! ✗ Not quite. Correct answer: ["Her proposal came across very convincingly.","Her proposal came across as very convincing."]
Ordena las palabras para formar una frase correcta. Sentence Reorder

Ordena estas palabras para formar una frase:

✓ Correct! ✗ Not quite. Correct answer: I came across an old friend on the street.
Pon las palabras en el orden correcto para formar una frase gramaticalmente correcta. Sentence Reorder

Ordena estas palabras para formar una frase:

✓ Correct! ✗ Not quite. Correct answer: We came across several unexpected challenges during the project.
Empareja los sujetos con el tiempo verbal correcto de 'come across'. Match Pairs

Empareja los sujetos con la forma verbal correcta:

✓ Correct! ✗ Not quite. Correct answer: matched
Empareja el principio de las frases con el final más apropiado usando 'come across'. Match Pairs

Empareja los principios con los finales:

✓ Correct! ✗ Not quite. Correct answer: matched

Score: /12

Preguntas frecuentes (8)

Yes, but only if you find it by accident while doing something else. If you are actively searching for it, use `found`.

It is neutral. You can use it in a casual text message or a formal business report. It is very versatile.

`Stumble upon` is more informal and emphasizes the 'clumsy' or highly accidental nature of the find. They are very similar.

No. This is a common mistake. You should say `I came across a friend`. No 'with' is needed.

No, we don't usually use it in the passive. We don't say 'The photo was come across by me.'

Yes! You can `come across an idea` in a book or `come across a problem` in a project.

It comes from the idea of your path 'crossing' the path of the object or person by chance.

Yes, mainly for the 'impression' sense: 'He is coming across as very helpful today.'

Scaffolded Practice

1

1

2

2

3

3

4

4

Mastery Progress

Needs Practice

Improving

Strong

Mastered

In Other Languages

Spanish moderate

Encontrarse con / Toparse con

English does not use a preposition like 'with' after 'across'.

French high

Tomber sur

The literal imagery is 'falling' in French vs 'crossing' in English.

German moderate

Zufällig stoßen auf

English 'come across' is never separable, unlike many German phrasal verbs.

Japanese low

ふと見つける (Futo mitsukeru)

Japanese relies on adverbs to show the 'accidental' nature, while English uses a specific phrasal verb.

Arabic moderate

صادف (Sadafa)

Arabic uses a single root verb, whereas English uses a verb-preposition combination.

Chinese low

偶然发现 (Ǒurán fāxiàn)

English 'come across' is a single semantic unit (phrasal verb), not an adverb + verb.

Learning Path

Prerequisites

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