| 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.