private void UpdatePhrasePresentationControlPrefix()
        {
            int previousGroupID = int.MinValue;

            for (int i = this.sentencePanel.Controls.Count - 1; i >= 0; i--)
            {
                ConditionsEditorControl.PhrasePresentationControl phrasePresentationControl = this.sentencePanel.Controls[i] as ConditionsEditorControl.PhrasePresentationControl;
                if (phrasePresentationControl != null && phrasePresentationControl.PhraseDescriptor != null)
                {
                    phrasePresentationControl.UpdateText(previousGroupID);
                    previousGroupID = phrasePresentationControl.PhraseDescriptor.GroupID;
                }
            }
        }