Wasn't or weren't?
Negative past be follows its positive exactly: wherever was is right, wasn't is right.
The short answer
Wasn’t is was not: use it with I, he, she, it and single things. Weren’t is were not: use it with you, we, they and plurals. In an unreal condition, weren’t takes any subject — if I weren’t so tired.
Which one do you need?
| Subject | Full form | Short form |
|---|---|---|
| I, he, she, it, one thing | was not | it wasn't |
| you, we, they, several things | were not | they weren't |
| any subject, unreal condition | were not | if I weren't… |
Practice the choice
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Getting your first question ready.
Side by side
Three sentences for each form, taken from the 403 sentences this drill uses. The answer is highlighted.
wasn't
- The traffic wasn't heavy during rush hour.
- I wasn't in the mood to go out last night.
- She wasn't aware of the consequences of her actions.
weren't
- The prices weren't affordable at that store.
- We weren't happy with the outcome of the game.
- They weren't happy with their performance last night.
Same split as was and were
Take the positive sentence, add not, contract it. Nothing else changes:
- It was locked. → It wasn’t locked.
- They were ready. → They weren’t ready.
If you are unsure, say the positive version in your head first. The form you reach for there is the one to negate.
Weren’t with I
In an unreal condition, every subject takes weren’t:
- If I weren’t on duty, I’d join you.
- She behaves as if she weren’t involved.
If I wasn’t is extremely common in speech and will never be misunderstood. In a test, in a cover letter, in anything edited, use weren’t.
Weren’t you? and wasn’t it?
Question tags copy the verb of the main sentence and flip it:
- You were at the station, weren’t you?
- It wasn’t his fault, was it?
The tag never changes subject or tense on its own. Whatever is in the main clause comes back in mirror form.
Didn’t, not wasn’t
Wasn’t negates be. Any other past verb takes didn’t:
- He wasn’t at home. — be
- He didn’t come home. — any other verb
Putting both in one sentence — he didn’t was — is the most common wreck here. Only one negative auxiliary per verb.
Mistakes to avoid
Wrong: You wasn't there. correct: You weren't there.
You always takes were and weren't, even about one person.
Wrong: If I wasn't busy, I'd come. correct: If I weren't busy, I'd come.
The condition is untrue, so the subjunctive weren't is the careful form with any subject.
Wrong: The keys wasn't in my bag. correct: The keys weren't in my bag.
Keys is plural. The -s on the noun decides the form of the verb.