The past simple
The short answer
The past simple reports something finished, usually at a stated time. Regular verbs add -ed; around 180 irregular verbs have their own forms, and about 60 of those are common. Negatives and questions use did, and the main verb then returns to its base form.
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The rule
The past simple is the tense of finished events. It is used whenever the time period is over, whether or not that period is named, and it is the ordinary tense of narrative in English. Regular verbs form it by adding -ed; irregular verbs have to be learned individually. Negatives and questions are built with did plus the base form, so the past marking appears only once in the sentence. Its main competitor is the present perfect, which is used when the period is unfinished or unstated.
| Form | Structure | Example |
|---|---|---|
| Affirmative, regular | subjectverb-ed | They arrived late. |
| Affirmative, irregular | subjectpast form | She went home. |
| Negative | subjectdidn’tbase verb | She didn’t go home. |
| Question | Didsubjectbase verb | Did she go home? |
| Verb be | was / wereno did | I was late. Were you there? |
| Spelling | -y → -iedshort vowel doubles | study → studied, stop → stopped |
Part 1 of 3
When to use it
Use the past simple whenever the time period is finished. Usually that period is named: yesterday, last year, in 2018, when I was a student, and once it is named, the tense is settled no matter how recently the event happened.
It is also the backbone of narrative. Once a story has started, everything that moves it forward goes into the past simple, even if it opened with a present perfect: I’ve been to Rome. I went in 2018 and stayed a week.
We moved house in March.
A finished, named period.
I spoke to him ten minutes ago.
Recent, but ago closes the period.
She studied law, then worked in publishing for a decade.
Narrative sequence.
Part 2 of 3
Regular and irregular forms
Regular verbs add -ed, with three spelling rules: a final -e takes only -d (liked); -y after a consonant becomes -ied (studied); a single final consonant after a short stressed vowel doubles (stopped, planned).
The -ed ending has three pronunciations and they are not optional: /t/ after unvoiced sounds (worked, stopped), /d/ after voiced ones (played, lived), and /ɪd/ only after t or d (wanted, needed). Adding a syllable to worked is the commonest pronunciation error here.
He planned the whole trip himself.
Doubled consonant after a short vowel.
They wanted to leave early.
Pronounced /ɪd/, the base ends in t.
went, took, saw, came, got, made, said, thought
Eight of the most frequent irregulars.
NBAround sixty irregular verbs cover most of what you will ever need.
Part 3 of 3
The did rule
Negatives and questions use did, and once did carries the past, the main verb goes back to its base form. She went becomes she didn’t go and did she go, never didn’t went. The past is marked exactly once in the sentence.
Be is the exception. It uses was and were directly, with no auxiliary: I wasn’t ready, were you there? Modal verbs behave the same way: could, would and should need no did.
I didn’t see the email.
Didn’t + base form.
Where did you park?
Did + subject + base form.
Was the meeting useful?
Be forms its own question.
NB“Did the meeting be useful?” is never possible.
Mistakes to avoid
What learners actually get wrong
I didn’t went to the meeting.
I didn’t go to the meeting.
Did already carries the past, so the main verb returns to base form. Marking the past twice is the single most common error with this tense, and it survives long after the irregular forms have been learned.
Did you saw the message?
Did you see the message?
Same rule in a question. Learners who have worked hard on irregular forms are especially prone to this, because the correct base form feels like forgetting what they just learned.
I have seen him yesterday.
I saw him yesterday.
A finished time expression requires the past simple. Yesterday, ago, last week and in 2019 cannot appear with the present perfect in any sentence.
She was studied medicine.
She studied medicine.
The past simple needs no auxiliary in the affirmative. Adding was creates a passive that does not mean anything here, and it usually comes from over-applying the be + -ing pattern of the continuous.
Now use it
Past simple
Regular -ed forms, irregulars, and questions and negatives with did. Reading a rule and being able to apply it are different skills, and only one of them shows up when you speak.
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Questions
Asked and answered
- How many irregular verbs do I actually need?
- About sixty carry most ordinary English. Standard lists run to 180 or more, and the tail of those is genuinely rare. You can read comfortably without ever meeting smite or cleave. Learn the frequent ones properly rather than the full list superficially.
- When do I use the past continuous instead?
- For an action already in progress when something else happened: I was reading when the phone rang. The continuous sets the scene and the simple reports the event, which is the same division French makes with imparfait and passé composé.
- Is “used to” a past tense?
- It is a way of marking a past habit that no longer holds: I used to smoke. The past simple can express the same thing with a time expression, I smoked for ten years, but used to makes the discontinuity explicit, which is why it appears so often in autobiography.