Change the speech: He said to the teacher, "Do you think my essay is good?"
Q1. Change the speech: He said to the teacher, "Do you think my essay is good?"
Answer: He asked the teacher if he thought his essay was good.
Explanation: In reported speech, a yes/no question uses "if/whether," the tense shifts back (think→thought), and pronouns are adjusted — "if he thought his essay was good."