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Grammar · Verb tenses

Past Continuous

Formula: was / were + V-ing

B1

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Quick answer

The Past Continuous describes an action in progress in the past. Form: was (I, he, she, it) or were (you, we, they) + verb + -ing. It often goes with the Past Simple, to show an action in progress that is interrupted by another action. Example: I was reading when the phone rang.

Past Continuous: how to build a sentence

Affirmative

subject + was/were + V-ing

I was reading.

They were playing.

Negative

wasn't / weren't + V-ing

I wasn't reading.

They weren't playing.

Question

Was / Were + subject + V-ing?

Were you reading?

Was she playing?

Full example: to read

PronounFull form
Iwas reading
Youwere reading
He / She / Itwas reading
Wewere reading
You (pl.)were reading
Theywere reading

The 3 main uses

1. Action in progress, interrupted

The Past Continuous gives the long action; the Past Simple gives the short event that interrupts it.

“I was reading when the phone rang.”

2. Parallel actions

Two long actions happening at the same time.

“She was cooking while I was studying.”

3. Setting the scene

It describes the background at the start of a story.

“The sun was shining and birds were singing.”

Signal words

Some words almost always go with this tense: if you see one in the sentence, it is a good clue.

when (short action)

introduces the Past Simple action that interrupts

“I was sleeping when he arrived.”

while (long action)

introduces a Past Continuous action happening at the same time

“While I was reading, she was watching TV.”

at 8 last night

at an exact time in the past

“I was working at 8 last night.”

Common mistakes to avoid

When or while?

When usually introduces the short action (in the Past Simple). While introduces the long action (in the Past Continuous). I was reading when she called / While I was reading, she was watching TV.

No -ing with state verbs

As with the Present Continuous, state verbs (know, like, love...) are not used in the -ing form. I knew him ✓ / I was knowing him ✗.

Past Continuous or Past Simple?

Past Simple = a finished action in the past (I worked). Past Continuous = an action in progress in the past (I was working). They often go together: the long action in the Past Continuous, the short one in the Past Simple.

Practice quiz

Question 1 / 3The Big Challenge question bank

Complete the sentence: I _____ TV when the phone rang.

Related pages: Past Continuous

Pages on a similar topic or with a similar use, so you can keep exploring.

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Frequently asked questions

When do you use the Past Continuous?+

Use it for an action in progress in the past (I was reading at 8), often interrupted by a short action (I was reading when she called), or to describe the scene of a story (the sun was shining).

How do you form the Past Continuous?+

Was / were + verb + -ing. I/he/she/it was working. You/we/they were working. Was for the singular, were for the plural and for you.

What is the difference between when and while?+

When usually introduces the short action (Past Simple): I was reading when she called. While introduces the long action (Past Continuous): While I was reading, she was watching TV. An easy rule: when + Past Simple, while + Past Continuous.

What is the difference between the Past Simple and the Past Continuous?+

Past Simple = a finished action in the past (I read a book). Past Continuous = an action in progress in the past (I was reading a book). The Past Continuous shows the action while it was happening.

Can you use every verb in the Past Continuous?+

No. State verbs (know, like, love, want, need...) are not used in the -ing form. You say I knew him (not I was knowing him).

Updated on 27 October 2026 by the Big Challenge teaching team. Every year, more than 500,000 students across Europe take part in our English contest, created in 1999. Our teaching approach →