Submitted by György Chityil ... on Tue, 03/13/2018 - 06:00 Lemma: interveneNgram Count: 1Starts with letter: YesIndefinite Article: anGoogle Ngram Count: 1321832Sense count: 1Contained in other ngrams: 1Hierarchy: Past ParticipleForms: interveningintervenesForms Count: 2