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Run-On Sentences

Run-on sentences occur when writers try to combine more than one idea into a single sentence. They cause confusion because readers are not sure when one idea ends and the next one begins. Read our entry and test your knowledge with our quiz!



The Modern Language Association (MLA) handbook gives rules for presenting research in language and literature. Most English students format their work in MLA style. Our MLA pages will explain general rules for citing sources, formatting papers, or adding quotations according to these guidelines.