1. I underwent aversion therapy for my addiction to smoking. 2. He underwent a three-hour heart operation.

Which is correct undergone or underwent?

infinitive: to undergo She is to undergo lip surgery. ... past simple: underwent She underwent lip surgery yesterday. past participle: undergone She has undergone lip surgery two times in her life. present participle: undergoing She is undergoing lip surgery.

Is it correct to say underwent?

Underwent is the past tense of undergo.