Irregular Verb Buy: buy - bought - bought
The irregular verb buy does not form its past tense by adding -ed.
| Base form | Simple past | Past participle |
|---|---|---|
| buy | bought | bought |
How to Use It
- Present: I buy.
- Past: Yesterday I bought.
- Present perfect: I have bought.
Remember
Use the past participle (bought) after have, has or had, and in passive sentences. Learn the three forms together: buy - bought - bought.
See also: The Simple Past Tense and The Present Perfect Tense.