The thesis, which is usually the last sentence in the introduction, should highlight the main points you will cover in your speech. While an expository speech does not call for action, it should present a focused position and a relevance to the audience. It should not be simply a presentation of information. The paragraph should begin broadly and should gradually become more specific as you move toward the thesis statement. Use the introduction to state your thesis, to outline the main points you will make in the essay, and to describe the conclusions you will draw in your essay.
Writers sometimes use the following devices to begin their expository essays.
The body paragraphs constitute the bulk of the speech, where you present your facts and develop your thoughts and arguments. The paragraphs can be ordered or developed in any number of ways, but you must make it clear to your audience how you are approaching and organizing the material. Develop each section or idea in your thesis statement in a separate supporting paragraph. State these in the order in which they are stated in your thesis statement. Transitional sentences, usually located at the end of a paragraph.