Submitted by György Chityil ... on Mon, 12/11/2017 - 21:32 Ngram Count: 1Starts with letter: YesSource: COCA Top 5000Google Ngram Count: 1196224557Sense count: 12Contained in other ngrams: 30Hierarchy: Subordinating ConjunctionWh-adverbWh-determinerDemonstrative PronounDeterminerNounPronounQuestion signal