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 underwent grammatically correct?

Underwent is the past tense of undergo.

How do you use undergone in a sentence?

The fauna has undergone a great alteration since the first white settlers entered the country. In addition to such larger insertions, the text of the original document seems to have undergone a certain amount of revision. The two churches last named have undergone much renovation both outside and inside.