 Parts of a paragraph. A paragraph is a group of sentences that develops one main idea. Here is an example. My name is Maria. I am a student in Project Idea. I am from Mexico. I'm studying English. I want to be a nurse. Project Idea will help me learn English to become a nurse. That is a paragraph. Parts of a paragraph. A paragraph includes an introduction, body, and conclusion. The introduction is your topic sentence. It's your main idea where you introduce your topic. In our example, my name is Maria is our introduction. In the body, you explain your topic. You give supporting sentences and use supporting details. In the example, I am a student in Project Idea. I am from Mexico. I'm studying English. I want to be a nurse. That is the body of our paragraph. Your conclusion is the concluding sentence. This is where you restate your main idea and you finish your paragraph. Project Idea will help me learn English to become a nurse. That is the conclusion in our example paragraph. All together, we have a paragraph. We have the introduction, body, and conclusion. Things to remember. Write a title before you begin your paragraph. Indent the first sentence. Indented means to leave a space. Use capital letters. Use periods. The end.