| Base Form: | Undertake |
| Past Simple: | Undertook |
| Past Participle: | Undertaken |
| 3rd Person Singular: | Undertakes |
| Present Participle/Gerund: | Undertaking |
| Base Form | Past Simple | Past Participle |
|---|---|---|
| Forsake | Forsook | Forsaken |
| Mistake | Mistook | Mistaken |
| Overtake | Overtook | Overtaken |
| Shake | Shook | Shaken |
| Take | Took | Taken |
Irregular Verb List (PDF)
Download the PDF version of our Common Irregular Verb List which is perfect to print and share.
