Submitted by Anonymous (not verified) on Mon, 05/06/2019 - 01:33 Lemma: undergoNgram Count: 1Starts with letter: YesIndefinite Article: anGoogle Ngram Count: 2417271Sense count: 0Contained in other ngrams: 0Hierarchy: Present ParticipleForms: underwentundergoneundergoesIssue: 0Forms Count: 3