What is the past participle of buy?

The past participle of buy is bought.

What are the three forms of buy?

The three forms are buy – bought – bought: base form, past simple and past participle.

Is buy a regular or an irregular verb?

Buy is irregular: its past simple is bought, not buyed.

Buy past tense: bought, bought

purchase

Buy is an irregular English verb: the past simple of buy is bought and the past participle is bought. Learn the three forms together — buy – bought – bought.

Verb forms

Base form

buy

/baɪ/

Past Simple

bought

/bɔːt/

Past Participle

bought

/bɔːt/

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

Example sentences

Base form · buy

We buy fresh bread from the local bakery.

Past Simple · bought

She bought a new dress for the wedding.

Past Participle · bought

All the tickets have already been bought.

Key tenses

Present Simple	Past Simple	Present Perfect
I buy he / she / it buys	I bought	I have bought
Present Continuous:I am buying · he / she / it is buying

Learn when to use these forms:Past Simple lesson →Present Perfect lesson →

Grammar guide

Buy belongs to the ABB group: the past simple and the past participle are the same (bought). This is the largest group of irregular verbs — you only need to learn one past form.

Past simple – bought: a finished action at a definite time in the past. It is used on its own, without an auxiliary.
Past participle – bought: 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 buy…? I didn’t buy.

Verbs with the same pattern

have — had — had say — said — said get — got — got/gotten make — made — made think — thought — thought find — found — found

Quick quiz

Which sentence is correct?

Questions about buy

What is the past simple of buy?: The past simple of buy is bought.
What is the past participle of buy?: The past participle of buy is bought.
What are the three forms of buy?: The three forms are buy – bought – bought: base form, past simple and past participle.
Is buy a regular or an irregular verb?: Buy is irregular: its past simple is bought, not buyed.