(auxiliary) A syntactic marker for emphasis with the indicative, imperative, and subjunctive moods.
(pro-verb) A syntactic marker that refers back to an earlier verb and allows the speaker to avoid repeating the verb; not generally used with auxiliaries such as "be".
“It is the photoplay's comic notion to have the wealthy Harrison Allen deed his fortune to daughter Gracie for sixty days so that he might honestly admit his poverty and so discourage a fortune-seeking suitor of his other daughter.”
“Next, he demonstrated how crazy he really was, by deeding over to his family, unsolicited, the ten acres on Tarwater Flat, the house, barn, outbuildings, and water-rights.”