A2–B1VISUAL LESSONWITH PRACTICE

Past simple vs past continuous

The past simple presents an event as a whole. The past continuous shows the scene in progress at a past moment. In a story, one often moves the action forward while the other gives the background.

TenseQuest editorial·Updated 17 September 2026

START WITH A MOMENT

You are explaining how you met an old friend unexpectedly.

I was waiting for a bus when I saw Alex.

Waiting was the background. Seeing Alex was the event that moved the story forward.

PastNowFuture

Waiting was the background. Seeing Alex was the event that moved the story forward.

PUT IT TOGETHER

The form, made simple.

Form	Structure & example
Main event	`past verb`The lights went out.
Background activity	`was/were + verb-ing`We were having dinner.

KNOW WHEN TO USE IT

Here is where it fits.

01One event inside another activity

The continuous activity began before the past-simple event. The shorter event does not necessarily interrupt or end it. You may continue waiting after seeing Alex. The grammatical distinction concerns viewpoint, not a guaranteed difference in duration.

We were walking home when it started to rain.

02A sequence versus a scene

I opened the door and sat down describes consecutive events. I was sitting by the window describes a scene that another event can enter. Use the simple form to move the story along and continuous where an ongoing scene helps the listener.

03When and while are not tense switches

While often introduces a longer background activity, and when often introduces an event. But you can say When I was living abroad or While I lived abroad. Choose the meaning first; do not decide solely from the conjunction.

04Let the context resolve ambiguity

At eight, I cooked dinner can focus on when you began or performed the event. At eight, I was cooking dinner places eight inside the process. A time expression alone may permit both; the question is what you want to communicate.

SMALL CHANGES, CLEARER ENGLISH

A few things to watch.

AVOID~~I was wait when the bus arrived.~~

USEI was waiting when the bus arrived.

Use the -ing form for the background activity.

YOUR TURN

A little practice goes a long way.

Choose an answer, then explore the explanation. A mistake is a useful place to learn.

Original examples and explanations by TenseQuest.

Further reference: British Council · Past continuous and past simple

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