| V1 | V2 - Past Simple | V3 - Past Participle |
|---|---|---|
undergo [ˌʌndə'gəu] | underwent [ˌʌndə'went] | undergone [ˌʌndə'gɔn] |
to undergo
| ||
Example Sentences Using the Irregular Verb undergo
- Patients undergo medical tests before surgery.
- He underwent a major operation last year.
- The company has undergone significant changes.

