through this analysis, there were 18 omissions out of 83 errors or 21,68% errors in the speaker utterances. there were 27 additions out of 83 errors or 32,53% errors in the speaker utterances. there were 36 misformations out of 83 errors or 43,37% in the speaker utterances, and there were 2 misordering out of 83 errors 2,4% errors in the speaker utterances.