A2 Verb Tenses 18 min read Fácil

Pasado Continuo: Acciones interrumpidas (was/were -ing + when)

Tienes dos momentos en el pasado: la
acción de fondo
con Past Continuous, y el evento sorpresa con Past Simple. ¡Como una película!
Marcar como aprendido
Practícalo

Grammar Rule in 30 Seconds

Use Past Continuous for a long activity and Past Simple for the sudden event that interrupts it.

  • Use 'was/were + -ing' for the long background action (e.g., I was sleeping).
  • Use 'when + Past Simple' for the short interrupting event (e.g., when the alarm rang).
  • The interruption can be literal or just a specific moment in time.
🏃‍♂️ (was/were -ing) + ⚡ (when + Past Simple)

Overview

### Overview
¿Alguna vez has estado contando una historia emocionante en español y dijiste algo como:
Estaba viendo el partido de la selección cuando, de repente, se fue la luz
? Si es así, ¡felicidades! Ya entiendes la lógica detrás de esta regla gramatical en inglés.
Este tema, que combina el Past Continuous (Pasado Continuo) con el Past Simple (Pasado Simple) usando la palabra when (cuando), es fundamental para cualquier hispanohablante que quiera dejar de hablar como un robot y empezar a narrar experiencias de forma natural.
En el nivel A2, ya sabes decir cosas básicas en pasado, pero el uso de acciones interrumpidas te permite añadir profundidad a tus conversaciones. Imagina que el Past Continuous es el escenario de una película —la acción que ya estaba ocurriendo en el fondo— y el Past Simple es el evento inesperado que entra en escena para interrumpir o cambiar el curso de las cosas.
Dominar esta estructura es vital porque nos permite establecer una relación temporal clara entre dos eventos. No es lo mismo decir I watched a movie and the phone rang (Vi una película y el teléfono sonó), lo cual suena como una lista de supermercado, que decir I was watching a movie when the phone rang (Estaba viendo una película cuando el teléfono sonó). La segunda opción crea una imagen mental mucho más clara: una acción estaba en progreso y algo más sucedió en medio de ella.
En este artículo, vamos a desglosar paso a paso cómo funciona esta estructura, por qué para nosotros los hispanohablantes es tan intuitiva y cómo evitar los tropiezos más comunes que solemos tener al traducirla mentalmente.
### How This Grammar Works
Lo primero que debes saber es que esta estructura es un regalo para los hispanohablantes. ¿Por qué? Porque la lógica es idéntica a la de nuestro idioma.
En español, usamos el pretérito imperfecto (estaba comiendo) junto con el pretérito indefinido (llegó). En inglés, simplemente replicamos esa misma jerarquía de tiempos.
Para entender cómo funciona, imagina que el tiempo es una línea recta. El Past Continuous representa una línea larga y ondulada que muestra una acción que tomó tiempo. El Past Simple es una X que marca un punto específico en esa línea.
Cuando usamos when, estamos conectando ese punto específico con la línea larga.
| Concepto | Inglés | Español | Función |
|---|---|---|---|
| Acción Larga (Fondo) | Past Continuous | Estaba + -ando / -iendo | Establece el contexto o lo que estaba pasando. |
| Conector | when | cuando | Une las dos ideas. |
| Acción Corta (Interrupción) | Past Simple | Pretérito Indefinido (comí, llegó, vi) | El evento que interrumpe la acción larga. |
¡Mira qué interesante! En español, a veces nos complicamos con estaba vs estuve, pero en inglés, para el pasado continuo, solo tenemos que preocuparnos por was o were. Esto simplifica mucho las cosas.
La clave aquí es el enfoque: el Past Continuous responde a la pregunta ¿Qué estaba pasando? (What was happening?), mientras que el Past Simple responde a ¿Qué ocurrió? (What happened?).
Imagínate que estás en un café en Buenos Aires o Madrid. Estás enviando un mensaje por WhatsApp (You were sending a WhatsApp message) y de pronto, ves a un viejo amigo (you saw an old friend). Para unir esto, dices: I was sending a WhatsApp message when I saw an old friend.
La estructura no solo describe dos hechos, sino que explica que uno ocurrió *dentro* del tiempo del otro.
### Formation Pattern
Para construir estas oraciones correctamente, necesitamos dominar dos piezas del rompecabezas. Vamos a ver cómo se arma cada una y luego cómo se unen.
1. El Pasado Continuo (La acción que estaba en progreso)
Se forma con el sujeto + el verbo to be en pasado (was o were) + el verbo principal terminado en -ing.
  • I / He / She / It usan was.
  • You / We / They usan were.
Ejemplo: She was cooking (Ella estaba cocinando).
2. El Pasado Simple (La interrupción)
Es el verbo en su forma de pasado (agregando -ed si es regular o usando su forma única si es irregular).
Ejemplo: the lights went out (se fue la luz).
Patrones de combinación:
Existen dos formas principales de organizar esta idea, y ambas son correctas. La única diferencia es el énfasis y una pequeña coma.
Patrón A: La acción larga primero (Sin coma)
Esta es la forma más común en la conversación diaria.
[Sujeto] + was/were + [verbo-ing] + when + [Sujeto] + [verbo en pasado simple]
  • I was studying when my cat jumped on the table.
(Estaba estudiando cuando mi gato saltó sobre la mesa).
  • They were playing soccer when it started to rain.
(Ellos estaban jugando fútbol cuando empezó a llover).
Patrón B: La interrupción primero (Con coma)
Si decides empezar con la palabra when, debes separar las dos partes de la oración con una coma. ¡Ojo con esto! Es una regla de puntuación importante en inglés.
When + [Sujeto] + [verbo en pasado simple] , [Sujeto] + was/were + [verbo-ing]
  • When the phone rang, I was taking a shower.
(Cuando el teléfono sonó, yo me estaba duchando).
  • When the boss entered the office, everyone was working hard.
(Cuando el jefe entró a la oficina, todos estaban trabajando duro).
### When To Use It
¿En qué situaciones de la vida real vas a usar esto? Como experto, te digo que lo usarás constantemente, especialmente en estos cuatro escenarios:
1. Interrupciones reales
Cuando una acción literalmente detiene a la otra.
  • Ejemplo: I was sleeping when the alarm went off. (Estaba durmiendo cuando la alarma sonó). Aquí, la alarma probablemente detuvo tu sueño.
  • Ejemplo: He was driving to the airport when his car broke down. (Él estaba conduciendo al aeropuerto cuando su coche se averió). La avería interrumpió el viaje.
2. Interrupciones visuales o de percepción
Cuando algo sucede mientras estás haciendo otra cosa, aunque no necesariamente te detengas.
  • Ejemplo: I was walking in the park when I saw a famous actor. (Estaba caminando por el parque cuando vi a un actor famoso). Seguiste caminando, pero el hecho de ver al actor ocurrió durante tu caminata.
  • Ejemplo: We were eating dinner when we heard a loud noise outside. (Estábamos cenando cuando oímos un ruido fuerte afuera).
3. Establecer el contexto en una historia (Background)
Si estás contando qué tal te fue en tus vacaciones o qué pasó en la oficina, usas el pasado continuo para pintar el cuadro.
  • Ejemplo: The sun was shining and the birds were singing when I stepped out of the house. (El sol brillaba y los pájaros cantaban cuando salí de la casa). Esto le da atmósfera a tu relato.
4. Justificaciones y excusas
Muy útil para el trabajo o situaciones sociales.
  • Ejemplo: I'm sorry I missed your call! I was exercising when you phoned. (¡Lo siento, perdí tu llamada! Estaba haciendo ejercicio cuando llamaste). Aquí usas la acción continua para explicar por qué no pudiste atender la acción corta.
### Common Mistakes
Como profesor que conoce bien nuestras tendencias al hablar, he notado que los hispanohablantes solemos caer en tres trampas específicas debido a la interferencia de nuestro idioma nativo:
1. El error del When invertido
Muchos estudiantes confunden dónde poner el when. Recuerda: when casi siempre introduce la acción corta (Pasado Simple).
  • Incorrecto: I was calling you when I was eating. (Esto suena como si la llamada fuera la acción larga, lo cual no tiene sentido).
  • Correcto: I was eating when you called me. (Estaba comiendo cuando me llamaste).
  • ¿Por qué pasa? A veces en español decimos
    Cuando estaba comiendo, sonó el teléfono
    , y al traducir rápido, los alumnos ponen el when con el -ing y luego se olvidan de cómo conectar la segunda parte.
2. Olvidar el verbo auxiliar was/were
En español, a veces omitimos el estaba y decimos simplemente Yo comiendo... (aunque sea incorrecto, se entiende). En inglés, si olvidas el was o were, la oración se rompe totalmente.
  • Incorrecto: I studying when the lights went out.
  • Correcto: I was studying when the lights went out.
  • Consejo: Piensa que el was/were y el -ing son como el pan y la manteca; siempre van juntos en el pasado continuo.
3. Usar verbos de estado (State Verbs) en continuo
Este es un error clásico. Hay verbos que en inglés no suelen llevar -ing porque describen estados, no acciones. Verbos como know (saber), want (querer), love (amar) o understand (entender).
  • Incorrecto: I was knowing the answer when she asked me.
  • Correcto: I knew the answer when she asked me.
  • Explicación: Aunque en español a veces decimos estaba queriendo decir..., en inglés suena muy poco natural. Con estos verbos, usa siempre el Pasado Simple.
### Contrast With Similar Patterns
Es fundamental no confundir la interrupción con la secuencia. Mira la diferencia en esta tabla, porque cambia totalmente el significado de lo que quieres decir:
| Estructura | Ejemplo | ¿Qué significa realmente? |
|---|---|---|
| Past Continuous + When + Past Simple | I was cooking when he arrived. | Él llegó mientras yo estaba en medio de la cocina. Las acciones se solapan. |
| Past Simple + Past Simple | I cooked when he arrived. | Primero él llegó, y después de que llegó, yo empecé a cocinar. Son acciones en secuencia. |
| Past Continuous + While + Past Continuous | I was cooking while he was sleeping. | Dos acciones largas ocurriendo al mismo tiempo sin interrumpirse. |
¡Mira qué importante es el tiempo verbal! Si le dices a tu pareja I was making dinner when you called, le estás diciendo que su llamada te encontró con las manos en la masa. Pero si le dices I made dinner when you called, parece que esperaste a que llamara para recién empezar a cocinar.
Otro punto de contraste es el uso de while (mientras) frente a when (cuando).
  • Usamos when para la acción corta: ...when the phone rang.
  • Usamos while para la acción larga: While I was cooking....
### Quick FAQ
1. ¿Puedo usar when con dos verbos en pasado continuo?
Generalmente no es lo más común. Para dos acciones largas que ocurren simultáneamente, es mucho mejor usar while. Por ejemplo: I was studying while my brother was playing video games.
2. ¿Es obligatorio que la acción larga se detenga?
No siempre. A veces la interrupción es solo un evento que ocurre en medio, pero la acción principal continúa. Por ejemplo: I was driving when I saw a beautiful rainbow. (Vi el arcoíris, pero seguí conduciendo).
La palabra interrupción en gramática se refiere a que un evento entra en el tiempo del otro, no necesariamente a que lo finalice.
3. ¿Cómo sé si un verbo es irregular en la parte del Past Simple?
¡Esa es la pregunta del millón! Lamentablemente, no hay una regla mágica; hay que memorizarlos. Sin embargo, para la parte del Past Continuous, todos los verbos (regulares e irregulares) siguen la misma regla: terminan en -ing. Eso te quita la mitad del peso de encima.
4. ¿Puedo decir When I was...?
¡Sí! Es muy común. Aunque while es técnicamente más preciso para acciones continuas, en el inglés hablado es perfectamente aceptable decir: When I was living in Madrid, I went to many museums. Solo asegúrate de que la otra parte de la oración tenga sentido en el contexto de tu historia.

2. Negative Contractions

Full Form Contraction Usage
was not
wasn't
Common in speech/informal writing
were not
weren't
Common in speech/informal writing

Past Continuous Formation

Subject Auxiliary (to be) Main Verb (-ing) Example
I
was
working
I was working...
You
were
working
You were working...
He/She/It
was
working
She was working...
We
were
working
We were working...
They
were
working
They were working...

Meanings

This structure describes an ongoing action in the past that was interrupted by a shorter, sudden event.

1

Literal Interruption

The second action physically stops the first action from continuing.

“He was running when he tripped and fell.”

“They were talking when the teacher entered the room.”

2

Temporal Interruption

The second action happens during the first, but the first action might continue afterward.

“It was raining when we arrived at the hotel.”

“She was wearing a red dress when I saw her.”

3

Atmospheric Background

Using the continuous form to set the scene for a story's main event.

“The wind was blowing when the ghost appeared.”

“Everyone was dancing when the music suddenly stopped.”

Reference Table

Reference table for Pasado Continuo: Acciones interrumpidas (was/were -ing + when)
Sujeto Acción Continua (Fondo) Conector Acción Simple (Interrupción)
I / He / She / It
was watching Netflix
when
the WiFi died.
You / We / They
were playing games
when
the power cut out.
I
was texting my friend
when
I dropped my phone.
They
were walking to class
when
it started to rain.
She
was recording a video
when
her cat jumped on her.
We
were eating dinner
when
the doorbell rang.

Espectro de formalidad

Formal
I was in the process of finalizing the report when the system encountered an error.

I was in the process of finalizing the report when the system encountered an error. (Work/Office)

Neutral
I was finishing the report when the computer crashed.

I was finishing the report when the computer crashed. (Work/Office)

Informal
I was doing the report when my PC died.

I was doing the report when my PC died. (Work/Office)

Jerga
I was crushing that report when the laptop just went poof.

I was crushing that report when the laptop just went poof. (Work/Office)

Componentes de una Acción Interrumpida

Interrupción

Acción Larga

  • Background Past Continuous
  • Process Was/Were + -ing

Acción Corta

  • Interruption Past Simple
  • Sudden Verb-ed

Comparación: Past Continuous vs. Past Simple

El Fondo (Largo)
was playing The video
were eating The dinner
El Evento (Corto)
rang The phone
dropped The fork

Cómo Elegir Tu Tiempo Verbal

1

¿Es la acción larga/de fondo?

YES
Usa was/were + -ing
NO
Ve al siguiente paso
2

¿Es una interrupción repentina?

YES
Usa Past Simple
NO ↓

Tipos de Verbos para esta Regla

🏃

Dinámicos (Usan -ing)

  • • running
  • • talking
  • • watching
  • • cooking
🧠

Estáticos (No usan -ing)

  • • know
  • • want
  • • like
  • • believe
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Ejemplos por nivel

1

I was sleeping when the phone rang.

I was sleeping when the phone rang.

2

She was eating when I arrived.

She was eating when I arrived.

3

They were walking when it rained.

They were walking when it rained.

4

He was reading when the light went out.

He was reading when the light went out.

1

We were watching TV when the doorbell rang.

We were watching TV when the doorbell rang.

2

I was driving to work when I saw the accident.

I was driving to work when I saw the accident.

3

What were you doing when the fire started?

What were you doing when the fire started?

4

She wasn't listening when the teacher gave the homework.

She wasn't listening when the teacher gave the homework.

1

I was just thinking about you when you called!

I was just thinking about you when you called!

2

The sun was shining when we stepped out of the museum.

The sun was shining when we stepped out of the museum.

3

He was working in London when he met his wife.

He was working in London when he met his wife.

4

Were they living in Paris when the war began?

Were they living in Paris when the war began?

1

I was originally going to stay home when Sarah convinced me to go out.

I was originally going to stay home when Sarah convinced me to go out.

2

The company was expanding rapidly when the market crashed.

The company was expanding rapidly when the market crashed.

3

I was just about to pay when I realized I'd left my wallet at home.

I was just about to pay when I realized I'd left my wallet at home.

4

The suspect was attempting to flee when the police apprehended him.

The suspect was attempting to flee when the police apprehended him.

1

The orchestra was tuning their instruments when the conductor finally appeared.

The orchestra was tuning their instruments when the conductor finally appeared.

2

I was merely browsing the archives when I stumbled upon the lost manuscript.

I was merely browsing the archives when I stumbled upon the lost manuscript.

3

Tensions were simmering when the prime minister made his controversial announcement.

Tensions were simmering when the prime minister made his controversial announcement.

4

She was constantly checking her watch when the train finally pulled into the station.

She was constantly checking her watch when the train finally pulled into the station.

1

The civilization was already undergoing a period of decadence when the external shocks arrived.

The civilization was already undergoing a period of decadence when the external shocks arrived.

2

I was wrestling with the ethical implications of the study when the results were leaked.

I was wrestling with the ethical implications of the study when the results were leaked.

3

The protagonist was painstakingly rebuilding his life when fate dealt him another blow.

The protagonist was painstakingly rebuilding his life when fate dealt him another blow.

4

The market was showing signs of volatility when the central bank intervened.

The market was showing signs of volatility when the central bank intervened.

Fácil de confundir

Past Continuous: Interrupted Actions (was/were -ing + when) vs Past Continuous vs. Past Simple

Learners use Past Simple for both actions, losing the 'ongoing' sense.

Past Continuous: Interrupted Actions (was/were -ing + when) vs When vs. While

Learners use 'while' before the short action.

Past Continuous: Interrupted Actions (was/were -ing + when) vs Stative Verbs

Trying to use verbs like 'want' or 'know' in the continuous form.

Errores comunes

✗

I was eat when he came.

✓

I was eating when he came.

You must use the -ing form after was/were.
✗

I eating when he came.

✓

I was eating when he came.

Don't forget the 'was' or 'were'.
✗

I was eating when he was coming.

✓

I was eating when he came.

The interruption should be simple past, not continuous.
✗

They was playing when it rained.

✓

They were playing when it rained.

Use 'were' for they/we/you.
✗

When I was seeing him, he was running.

✓

When I saw him, he was running.

The 'seeing' is the point in time, the 'running' is the background.
✗

I was working when the phone was ringing.

✓

I was working when the phone rang.

A phone ring is usually treated as a sudden event.
✗

I was knowing the answer when she asked.

✓

I knew the answer when she asked.

'Know' is a stative verb and usually isn't continuous.
✗

I was having a car when I lived in London.

✓

I had a car when I lived in London.

Possession (have) is stative and shouldn't be continuous here.
✗

I was finishing my work when he arrived.

✓

I had finished my work when he arrived.

If the work was already done, use Past Perfect, not Continuous.
✗

The sun was setting when we were reaching the summit.

✓

The sun was setting when we reached the summit.

Reaching a summit is a punctual achievement, not a process in this context.

Patrones de oraciones

I was ___ when ___.

When ___, they were ___.

___ wasn't ___ when ___.

Were you ___ when ___?

Real World Usage

Texting a friend constant

I was just thinking about you when you texted!

Job Interview common

I was working as a manager when I decided to get my MBA.

Reporting a crime/accident occasional

I was crossing the street when the car hit the cyclist.

Travel stories very common

We were hiking in the Alps when we got lost.

Customer Support common

I was using the app when it suddenly closed.

Social Media Caption very common

Was having the best time when this happened! 😂

Doctor's Appointment occasional

I was lifting a heavy box when I felt a sharp pain.

History Class common

The country was struggling when the new leader took power.

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💡

La Regla de la Coma

Si empiezas con 'When' o 'While', usa una coma.
While I was eating, the phone rang.
¡Sin coma si el conector está en medio!
⚠️

No Dupliques el -ing

No uses -ing en los dos verbos, a menos que quieras decir que dos cosas pasaban a la vez sin interrumpirse.
I was studying while he was cooking.
🎯

Crea el Escenario

Usa esto para empezar tus historias y dar el contexto antes de la parte emocionante.
I was living in Paris when I met my husband.

Smart Tips

Combine two sentences using 'when' to create a background and an action.

I walked. I saw a bird. → I was walking when I saw a bird.

Ask yourself: 'Can I do this for 10 minutes?' If yes (like sleeping), use -ing. If no (like tripping), use Past Simple.

I was tripping when I ran. → I was running when I tripped.

Always put a comma after the first clause to help the reader breathe.

When I was eating the phone rang. → When I was eating, the phone rang.

Add the word 'just' before the -ing verb to emphasize the timing.

I was leaving when you called. → I was just leaving when you called.

Pronunciación

I /wəz/ working when...

Weak form of 'was/were'

In natural speech, 'was' is often reduced to /wəz/ and 'were' to /wə/.

when_I /wen-aɪ/

Linking 'when'

The 'n' in 'when' often links to the following vowel.

Rising-Falling

I was ↗working when the phone ↘rang.

The first part builds interest; the second part provides the resolution.

Memorízalo

Mnemotecnia

The 'ING' is the THING that was HAPPENING; the 'ED' is the HEAD that popped in.

Asociación visual

Imagine a long, blue river (the Past Continuous). Suddenly, a red lightning bolt (the Past Simple) hits the water. The river was flowing when the lightning struck.

Rhyme

I was walking down the street, when a friend I chanced to meet.

Story

I was dreaming about a giant pizza. I was just about to take a bite when my alarm clock screamed at me. I was sleeping, the clock rang, and the dream ended.

Word Web

waswerewheninterruptionbackgroundongoingsudden

Desafío

Look around the room. Imagine you were doing something 5 minutes ago and someone walked in. Say the sentence out loud: 'I was [action] when [person] [action].'

Notas culturales

Often uses 'just' to emphasize the timing: 'I was just about to go when...'

Frequently uses this structure in police procedurals and news reporting for dramatic effect.

This is a universal way to tell 'small talk' stories about your day.

The continuous aspect in English developed from an Old English construction using 'be' and a prepositional phrase (e.g., 'he was on hunting').

Inicios de conversación

“

What were you doing when you heard the news today?

“

Were you sleeping when the sun came up this morning?

“

Tell me about a time you were doing something when something funny happened.

“

What was the weather like when you left your house?

Temas para diario

Describe your morning. What were you doing when you first checked your phone?
Write about a travel mishap. What was happening right when things went wrong?
Imagine you are a witness to a crime. Describe the scene to the police.
Write a short story starting with: 'The wind was howling when the door creaked open.'

Errores comunes

Incorrect

Correcto

Incorrect

Correcto

Incorrect

Correcto

Incorrect

Correcto

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Test Yourself

Completa el espacio en blanco con la forma correcta.

I ___ (watch) TV when the power went out.

✓ Correct! ✗ Not quite. Correct answer: was watching
Usamos 'was watching' para la acción de fondo larga con 'I'.
Elige la frase correcta. Opción múltiple

Choose the grammatically correct interruption:

✓ Correct! ✗ Not quite. Correct answer: She was cooking when the phone rang.
La acción larga es 'was cooking' y la interrupción corta es 'rang'.
Encuentra y corrige el error. Error Correction

Find and fix the mistake:

They was playing football when it started to rain.

✓ Correct! ✗ Not quite. Correct answer: They were playing football when it started to rain.
Con 'They', debemos usar 'were', no 'was'.

Score: /3

Ejercicios de practica

8 exercises
Complete the sentence with the correct form of the verb in brackets.

I ___ (walk) to the park when I ___ (see) my old teacher.

✓ Correct! ✗ Not quite. Correct answer: was walking / saw
The long action is 'walking' (was walking) and the short interruption is 'seeing' (saw).
Which sentence is grammatically correct? Opción múltiple

Select the best option:

✓ Correct! ✗ Not quite. Correct answer: They were playing cards when the lights went out.
Plural 'they' takes 'were', and 'went out' is the correct simple past interruption.
Find the mistake in this sentence. Error Correction

Find and fix the mistake:

She was cook dinner when the phone rang.

✓ Correct! ✗ Not quite. Correct answer: cook -> cooking
The past continuous requires the -ing form of the main verb.
Change this into a question. Sentence Transformation

You were sleeping when I called.

✓ Correct! ✗ Not quite. Correct answer: Were you sleeping when I called?
To form a question, move 'were' to the beginning of the sentence.
Match the background action with the interruption. Match Pairs

Match the following:

✓ Correct! ✗ Not quite. Correct answer: I was driving... / ...when I got a flat tire.
These pairs logically connect a long process with a sudden event.
Complete the dialogue. Dialogue Completion

A: Why didn't you answer my text? B: Sorry! I ___ (have) a shower when you ___ (text).

✓ Correct! ✗ Not quite. Correct answer: was having / texted
Having a shower is the background action; texting is the interruption.
Sort these into 'Long Action' or 'Short Action'. Grammar Sorting

Verbs: sleeping, arrived, watching, tripped, raining, saw.

✓ Correct! ✗ Not quite. Correct answer: Long: sleeping, watching, raining; Short: arrived, tripped, saw
Continuous verbs (-ing) are long; simple past verbs are short.
Put the words in the correct order. Sentence Building

when / was / the / I / reading / light / went / out

✓ Correct! ✗ Not quite. Correct answer: Both are correct.
The 'when' clause can go at the beginning or the end.

Score: /8

Practice Bank

10 exercises
Completa el espacio en blanco Completar huecos

While we ___ (wait) for the bus, we saw an old friend.

✓ Correct! ✗ Not quite. Correct answer: were waiting
Encuentra el error Error Correction

I was walking when I was seeing the accident.

✓ Correct! ✗ Not quite. Correct answer: I was walking when I saw the accident.
Pon las palabras en el orden correcto Sentence Reorder

when / she / was / reading / her / phone / rang

✓ Correct! ✗ Not quite. Correct answer: Both are correct.
Traduce al inglés Traducción

Estábamos cenando cuando alguien llamó a la puerta.

✓ Correct! ✗ Not quite. Correct answer: We were having dinner when someone knocked on the door.
Elige la oración correcta Opción múltiple

Which one describes an interrupted action?

✓ Correct! ✗ Not quite. Correct answer: He was driving home when he ran out of gas.
Completa el espacio en blanco Completar huecos

The students ___ (chat) when the teacher entered the room.

✓ Correct! ✗ Not quite. Correct answer: were chatting
Une el inicio de la frase con el final Match Pairs

1. I was sleeping... | 2. He was running... | 3. We were dancing...

✓ Correct! ✗ Not quite. Correct answer: 1-A, 2-B, 3-C
Corrige el error Error Correction

What you were doing when the earthquake started?

✓ Correct! ✗ Not quite. Correct answer: What were you doing when the earthquake started?
Ordena las palabras Sentence Reorder

the / when / cat / I / jump / was / coding

✓ Correct! ✗ Not quite. Correct answer: Both are correct.
Traduce Traducción

Yo estaba lavando los platos cuando se rompió un vaso.

✓ Correct! ✗ Not quite. Correct answer: I was washing the dishes when a glass broke.

Score: /10

Preguntas frecuentes (8)

Yes, but the structure changes. Use `while` before the long action: 'While I was eating, the phone rang.' Use `when` before the short action: 'I was eating when the phone rang.'

Then you just use the Past Simple for both: 'When the phone rang, I answered it.' This shows a sequence, not an interruption.

It's better to say 'I was walking while it was raining' if both are long actions. Using `when` usually implies a sudden start or a specific moment.

No, this is specifically for the past. For the future, we use the Present Continuous or Future Continuous: 'I will be working when you arrive.'

This is just the standard conjugation of the verb 'to be' in the past. `I/He/She/It` = was. `You/We/They` = were.

Not always! If you say 'It was raining when I arrived,' the rain didn't stop just because you arrived. It just happened at that time.

It's rare. Usually, we use `while` for two continuous actions: 'I was cooking while he was cleaning.'

In speaking and informal writing, `wasn't` is much more natural. In very formal essays, use `was not`.

Scaffolded Practice

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Mastery Progress

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In Other Languages

Spanish high

Estaba comiendo cuando...

Spanish can also just use the Imperfecto (comía) without the progressive form.

French moderate

Je mangeais quand...

French uses one verb form (Imparfait) where English uses two (was + -ing).

German low

Ich aß gerade, als...

German has no '-ing' equivalent for this structure.

Japanese moderate

Tabete ita tokini...

Japanese doesn't distinguish between 'when' and 'while' as strictly as English.

Arabic high

Kuntu akulu 'indama...

The structure is very similar to English 'was + verb'.

Chinese partial

Wǒ zài chīfàn de shíhòu...

Chinese verbs don't change for the past tense; the context or time words provide the tense.

Learning Path

Prerequisites

Previous
Pasado Continuo: ¿Qué estaba pasando? (Estaba viendo la tele)

Learn These First

A2 Requires

Pasado Simple: Verbos Regulares (La regla del -ed)

Overview ¿Alguna vez te has preguntado por qué los angloparlantes están tan obsesionados con las letras `E` y `D`? Proba...
A2 Requires

Pasado Continuo: Formación (was/were + ing)

Overview ¿Alguna vez has intentado explicar por qué no contestaste una llamada de FaceTime? Probablemente no dijiste sim...

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