It seems like the answers were from ChatGPT.

My main question: How to do it as a tree diagram for question $3?$

Syntax:

$1.$ What are the different Empty Categories that can appear in English sentences?

$2.$ Phrases are created through Merger processes and Projection processes; explain.

$3.$ A$)$ Provide a sentence of your own which includes:$$

$1-$An infinitive, embedded Clause

$2-$A reflexive, empty specifier

$3-$A$3$rd Person, Singular Specifier

B$)$Parse the sentence you provided in$"$A$"$in the form of a tree diagram