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Swear past tense: swore, sworn

vow, curse

Swear is an irregular English verb: the past simple of swear is swore and the past participle is sworn. Learn the three forms together — swear – swore – sworn.

Verb forms

Base form

swear

/sweə/

Past Simple

swore

/swɔː/

Past Participle

sworn

/swɔːn/

Press the speaker button to hear each form. The transcription under each word shows the British pronunciation (IPA).

Example sentences

Base form · swear

Witnesses swear to tell the truth in court.

Past Simple · swore

He swore he had never seen the man before.

Past Participle · sworn

The new president has been sworn into office.

Key tenses

Present SimplePast SimplePresent Perfect
I swear
he / she / it swears
I sworeI have sworn
Present Continuous:I am swearing  ·  he / she / it is swearing

Grammar guide

Swear belongs to the ABC group: all three forms are different (swear – swore – sworn), so each form has to be learnt separately.

  • Past simple – swore: a finished action at a definite time in the past. It is used on its own, without an auxiliary.
  • Past participle – sworn: after have, has or had (present perfect, past perfect) and after be in the passive voice.
  • Questions and negatives in the past simple use did + the base form: Did you swear…? I didn’t swear.

Verbs with the same pattern

Quick quiz

Which sentence is correct?

Questions about swear

What is the past simple of swear?
The past simple of swear is swore.
What is the past participle of swear?
The past participle of swear is sworn.
What are the three forms of swear?
The three forms are swear – swore – sworn: base form, past simple and past participle.
Is swear a regular or an irregular verb?
Swear is irregular: its past simple is swore, not sweared.
Swear past tense: swore, sworn — irregular verb forms