Irregular Verbs Definition

An irregular verb is one that does not take the -ed ending for the Past Simple and Past Participle forms. Some irregular verbs do not change; put put put, while others change completely; buy bought bought, etc. Unfortunately for the student, there are a lot or irregular verbs and they include many of the commonest verbs in the English language.

Irregular verbs fall into 5 categories:

1. Base Form
2. Past Simple
3. Past Participle
4. 3rd Person Singular
5. Present Participle / Gerund