ESL Writing Practice Writing Topic Sentences. This ESL writing exercise gives presents students with several paragraphs, each of which is missing a topic sentence. What is a paragraph? A paragraph is a collection of related sentences dealing with a single topic. Learning to write good paragraphs will help you as a writer stay on. This resource provides tips for creating a thesis statement and examples of different types of thesis statements. Paragraphs and Topic Sentences. A paragraph is a series of sentences that are organized and coherent, and are all related to a single topic. A topic sentence is a sentence, sometimes at the beginning of a paragraph, that states or suggests the main idea (or topic) of a passage. What this handout is about. This handout discusses techniques that will help you start writing a paper and continue writing through the challenges of the revising. A topic sentence needs to grab readers’ attention in order to make them want to continue to read. The topic sentence should also give readers an idea of what’s to. Topic Sentences. All three paragraphs start out well with a topic sentence. A topic sentence is a sentence whose main idea or claim controls the rest of the paragraph. A guide to writing topic sentences for paragraphs. This is geared toward middle- and high-school students. The problem with sentence 1 is that it contains too many details. Topic sentences are general, and details should appear later in the paragraph.