What is the past continuous tense?

It is the tense for an action that was in progress at a moment in the past, formed with was or were plus the -ing form of the verb. At eight o'clock I was having breakfast means the breakfast had started before eight and was still going on. It is used mostly alongside the past simple, which supplies the events that happen during or interrupt the longer action.

When do I use the past continuous instead of the past simple?

Use the past continuous when the moment you are talking about falls inside the action: I was driving when you called. Use the past simple when the action is a complete event, one of a sequence, or a state: I drove home, parked, and went to bed. If both actions are complete events, neither one takes the continuous.

Do I use when or while with the past continuous?

While goes with the longer action in the past continuous: While I was cooking, the phone rang. When usually goes with the shorter past simple event: I was cooking when the phone rang. Both sentences describe the same situation; the choice depends on which clause you want to begin with.

Can I use the past continuous for a long action that lasted all day?

Yes, if you want to present it as an ongoing activity rather than a finished whole: I was working all day yesterday emphasises the activity filling the time. I worked all day yesterday reports the same fact as a completed event. Both are correct; the continuous is slightly more vivid and often sounds like a complaint or an explanation.

Why is I was knowing wrong?

Because know describes a state, not an action in progress, and states take simple tenses in English. The same is true of like, want, believe, understand, need, own, and usually be: I knew, I wanted, I understood. Some of these verbs have an active meaning that does allow the continuous, as in I was having lunch (having means eating there), but in their state meaning they stay simple.

English grammar · Beginner

Past Continuous Tense: Actions in Progress vs. the Past Simple

Written by Eleanor Whitfield, Lead English Curriculum Editor · Reviewed September 2026

The past continuous tense describes an action that was in progress at a particular moment in the past. It is formed with was or were plus the -ing form of the verb (I was working, they were talking), and it is nearly always used alongside the past simple: the continuous gives the background or the longer action, and the simple gives the shorter event that happened in the middle of it.

I was having a shower when the doorbell rang.

the shower was in progress; the doorbell interrupts it

What it is

The past continuous takes a past moment and stretches an action across it. Where the past simple says an action happened and was over (I read the letter), the past continuous says it was under way and not yet finished (I was reading the letter). That unfinished quality is why the tense is so often paired with a past simple event: something longer was going on, and something shorter happened inside it. The picture to hold in your mind is a line for the continuous action and a dot for the simple event that lands on it.

I was walking to work when I saw the accident. (The walking is the line: it started before and continued after. The seeing is the dot: a single moment inside it.)

How to spot it

Look for was or were followed by an -ing verb. Then look for the past simple event nearby, usually introduced by when, or for a clock time (at seven, at midnight) that tells you which moment the action was in progress at. If neither is there, the sentence is probably setting a scene for one to come.

It was raining when we left. (the rain was already falling; the leaving is the event)
At six o'clock she was still working. (a clock time inside the activity)
They were watching TV, so they didn't hear the knock. (the ongoing action explains the missed knock)
What were you doing at ten last night? (asking about the activity in progress at a moment)

Was and were are the past forms of be, and -ing is the same ending as in the present continuous. If you can form I am working, you can form I was working: only the auxiliary changes.

Past Continuous Tense Quick Reference

Past continuous or past simple: the same situation, two views

Situation	Past continuous	Past simple
Action interrupted by an event	I was cooking when the phone rang.	The phone rang.
Background to the story	The sun was setting and the birds were singing.	We sat down on the bench.
What was happening at a stated time	At nine I was driving to work.	At nine I left for work.
Two actions at the same time	She was reading while he was cooking.	She read a chapter, then he cooked.
Complete sequence of events	not used: each event is over before the next	He stood up, paid, and left.
States: know, want, like, be	not used: states are not activities	I knew the answer. She wanted tea.

Common Past Continuous Tense Examples in English

The uses of the past continuous, each one shown next to the past simple event that gives it its meaning:

Interrupted Actions

I was crossing the road when a cyclist nearly hit me.: crossing in progress, the near miss cuts in
She was sleeping when the alarm went off.: the alarm lands in the middle of the sleep
We were having dinner when the power went out.: long action, then a sudden event
He was talking to a customer when I called, so he didn't answer.: the call arrives during the conversation

The interrupting event is always in the past simple. The interrupted action may or may not have continued afterwards: the tense does not say.

Background to a Story

It was a cold night. The wind was blowing and nobody was around.: the scene before anything happens
People were chatting and music was playing when the bride arrived.: two background actions, one event
I was living in Berlin at the time.: a temporary situation surrounding the story
The children were playing in the garden, so we talked inside.: an ongoing activity that shapes the next decision

Stories often open with two or three past continuous sentences and then switch to the past simple for the first event.

In Progress at a Specific Time

At half past eight I was still waiting for the bus.: the moment falls inside the waiting
This time last year we were travelling around Vietnam.: a point in time inside a longer trip
What were you doing at midnight on New Year's Eve?: a question about the activity at a moment

With a clock time, the past simple would mean the action began then: At half past eight I waited for the bus (I started waiting at that time).

Two Actions at the Same Time

While I was cooking, my brother was setting the table.: two activities running side by side
They were laughing and joking the whole way home.: two continuous actions filling the same period
She was texting while she was supposed to be listening.: parallel actions, with a critical edge

Two actions in progress together take the past continuous in both clauses, usually joined by while.

How the Past Continuous Works

One auxiliary, one ending, and a simple picture: a long line for the continuous action and a dot for the past simple event.

Was or Were Plus the -ing Form

Was goes with I, he, she, and it; were goes with you, we, and they. The main verb takes -ing and never changes for person. The negative adds not after was or were (wasn't, weren't in speech), and the question moves was or were in front of the subject. No do is ever involved, because be is already the auxiliary.

She was working. She wasn't working. Was she working?

only be moves or takes not; working stays the same

was/were + verb-ing.

The Line and the Dot

Draw a timeline. The past continuous is a line: an action with some length, already under way at the moment in question. The past simple is a dot: an event that happens at one point. When the dot lands on the line, English joins them with when and puts the line in the continuous and the dot in the simple.

I was reading (line) when the lights went out (dot).

the reading surrounds the moment the lights failed

Line = continuous. Dot = simple.

Background First, Event Second

In a story the past continuous sets the scene: what the weather was doing, what people were doing, what was going on. The reader then expects something to happen, and that something arrives in the past simple. Reverse the tenses and the story changes: It rained when we were leaving suggests the rain began at that moment.

The band was playing and everyone was dancing. Then the fire alarm went off.

two scene-setting lines, then the event

Continuous sets the scene; simple makes something happen.

Sequence Takes the Past Simple

When actions happen one after another, each finished before the next begins, all of them take the past simple. The past continuous would imply they overlapped. This is the reason a list of events in a story is never in the continuous.

He opened the letter, read it twice, and put it in his pocket.

three dots in a row, not three lines

One after another: all past simple.

State Verbs Resist the Continuous

Verbs for states rather than activities (know, believe, want, like, own, seem, be) describe something that is simply true, not something in progress, so they stay in the past simple even when the surrounding verbs are continuous. I knew the answer, not I was knowing it.

I was listening carefully, but I didn't understand a word.

listening is an activity; understanding is a state

Activities take -ing; states do not.

Common Mistakes with Past Continuous Tense

Incorrect: I was watch TV when you called.

Correct: I was watching TV when you called.

The past continuous needs both parts: was or were and the -ing form. Dropping the -ing leaves a verb form that does not exist in English.

Incorrect: While I was cooking, the phone was ringing and I was answering it.

Correct: While I was cooking, the phone rang and I answered it.

The phone ringing and my answering are short, complete events that happened inside the cooking, so they take the past simple. Putting every verb in the continuous removes the events from the story and leaves only background.

Incorrect: I was wanting a coffee, so I stopped at the café.

Correct: I wanted a coffee, so I stopped at the café.

Want is a state verb: it describes how things were, not an activity in progress, so it stays in the past simple. The same applies to know, like, believe, need, and own.

Incorrect: When I was arriving at the station, the train was leaving.

Correct: When I arrived at the station, the train was leaving.

Arriving at a station is a single moment, the dot, so it takes the past simple; the train leaving is the longer action it interrupts. Two continuous forms would describe two slow movements unfolding side by side.

Past Continuous Forms

The full forms with the verb work, and the past simple beneath them for comparison. In speech, was not and were not contract to wasn't and weren't; the affirmative has no contraction.

Past continuous: work

Was for singular subjects (except you), were for plural subjects and you.

Pronoun	Affirmative	Negative	Question
I	was working	was not working	Was I working?
you	were working	were not working	Were you working?
he / she / it	was working	was not working	Was she working?
we	were working	were not working	Were we working?
they	were working	were not working	Were they working?

Spelling of the -ing form: drop a silent e (make, making), double a final consonant after a short stressed vowel (sit, sitting; begin, beginning), and change ie to y (lie, lying).

The past simple for comparison: work

The event tense that pairs with the past continuous. Regular verbs add -ed; negatives and questions use did plus the base form.

Pronoun	Affirmative	Negative	Question
I	worked	did not work	Did I work?
you	worked	did not work	Did you work?
he / she / it	worked	did not work	Did she work?
we	worked	did not work	Did we work?
they	worked	did not work	Did they work?

Irregular past simples have to be learned: go, went; see, saw; take, took; ring, rang.

When, While, and As

Three small words carry most of the timing information in a past narrative, and each has a preferred tense pattern.

When + past simple

When usually introduces the shorter event (the dot) and takes the past simple. The other clause, the longer action, takes the past continuous.

I was making dinner when she called.: when + the event
When she called, I was making dinner.: same meaning, clauses reversed
When I saw him, he was carrying a huge box.: a glance (simple) into an ongoing action (continuous)

When with two past simples means one event followed the other: When she called, I answered.

While + past continuous

While introduces the longer action and takes the past continuous. The other clause can be a past simple event or a second continuous action running alongside.

While I was waiting, I read the paper.: while + the background, then a simple event
While they were arguing, the baby was sleeping.: two parallel continuous actions
The phone rang while we were eating.: the while clause can come second

While with the past simple (While I lived in Rome...) is possible for longer states, but the continuous is the usual choice.

As behaves like while but suggests two things developing together, or one thing happening at exactly the moment another does.

As the sun was setting, the temperature dropped.: the setting sun as backdrop to the drop
As I was getting into the car, I heard my name.: at the very moment

As is slightly more literary than while and is common in written narrative.

Quick Check: Past Continuous Tense

Choose the past continuous or the past simple for each verb.

1. I ___ (walk) home when it ___ (start) to rain.

Answer: was walking, started

the walk is the line; the rain starting is the dot

2. She ___ (drop) her phone while she ___ (run) for the bus.

Answer: dropped, was running

a short event during a longer action

3. At ten o'clock last night we ___ (watch) a film.

Answer: were watching

a clock time inside the activity

4. He ___ (open) the door, ___ (look) around, and ___ (leave).

Answer: opened, looked, left

three events in sequence: all past simple

5. What ___ you ___ (do) when the earthquake hit?

Answer: were you doing

asking about the action in progress at that moment

6. I ___ (not / know) anyone at the party, so I ___ (talk) to the host all evening.

Answer: didn't know, talked

know is a state verb; the talking is a complete event

Past Continuous Tense FAQs

What is the past continuous tense?: It is the tense for an action that was in progress at a moment in the past, formed with was or were plus the -ing form of the verb. At eight o'clock I was having breakfast means the breakfast had started before eight and was still going on. It is used mostly alongside the past simple, which supplies the events that happen during or interrupt the longer action.
When do I use the past continuous instead of the past simple?: Use the past continuous when the moment you are talking about falls inside the action: I was driving when you called. Use the past simple when the action is a complete event, one of a sequence, or a state: I drove home, parked, and went to bed. If both actions are complete events, neither one takes the continuous.
Do I use when or while with the past continuous?: While goes with the longer action in the past continuous: While I was cooking, the phone rang. When usually goes with the shorter past simple event: I was cooking when the phone rang. Both sentences describe the same situation; the choice depends on which clause you want to begin with.
Can I use the past continuous for a long action that lasted all day?: Yes, if you want to present it as an ongoing activity rather than a finished whole: I was working all day yesterday emphasises the activity filling the time. I worked all day yesterday reports the same fact as a completed event. Both are correct; the continuous is slightly more vivid and often sounds like a complaint or an explanation.
Why is I was knowing wrong?: Because know describes a state, not an action in progress, and states take simple tenses in English. The same is true of like, want, believe, understand, need, own, and usually be: I knew, I wanted, I understood. Some of these verbs have an active meaning that does allow the continuous, as in I was having lunch (having means eating there), but in their state meaning they stay simple.