What should you use passive voice?

According to the naeyc, curriculum is defined as

Analyze how jackson uses elements of a story to develop her message. for example, how does she create both certainty about charles' character and uncertainty in her audience about charles' identity? should laurie's parents have realized the truth earlier? how does jackson foreshadow the ending for her audience, while allowing for a surprise for laurie's parents? what is jackson's message about children and parents?

Rewrite the passage to improve expression.