Final answer:
A writer should ask themselves how the essay should be structured, what pattern of organization to use, and what is the appropriate tone for the essay.
Step-by-step explanation:
A writer should ask themselves the following questions when trying to determine the purpose of an essay:
- How should this essay be structured?
- What pattern of organization should I use?
- What is the most appropriate tone for this essay?
By asking these questions, the writer can ensure that their essay is well-organized, coherent, and effectively communicates their intended message to the audience.