The structure of your expository essay will vary depending on the scope of your assignment and the requirements of your topic. It is worth planning your structure before you begin, using an essay outline. A common structure for a short expository essay consists of five paragraphs: an introduction, three body paragraphs, and a conclusion. Professional essay writing services. RENTAL NOTICE. Level: College, High School, University, Undergraduate, Master. Once your request for essay writing help reaches our writers, they will place offers. To make the best choice for your particular task, analyze our writers' reviews, bios, and order statistics.