Language & Literature

Run On Sentence Checker Quiz: Spot and Fix Run‑Ons

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This quiz helps you spot run-on sentences fast and choose the best fix. Build smoother, clearer sentences, then keep learning with our compound and complex sentences quiz and a quick sentence types quiz. Need a grammar reset? Practice clause basics in the subject and predicate quiz.

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Learning Goals

Study Outcomes

  1. Identify Run-On Sentences -

    Recognize and label run-on sentences and comma splices, understanding the core run-on sentence definition to spot errors like a pro.

  2. Differentiate Sentence Errors -

    Distinguish between run-on sentences, comma splices, and properly punctuated sentences for clearer grammar insight.

  3. Correct Faulty Constructions -

    Apply punctuation rules and conjunction strategies to fix run-on sentences and comma splices effectively.

  4. Apply Revision Techniques -

    Use targeted run on sentence practice to rewrite and refine sentences for improved clarity and flow.

  5. Analyze Punctuation Pitfalls -

    Examine sentence structures to pinpoint common punctuation mistakes and prevent future run-on errors.

  6. Reinforce Learning with Examples -

    Review run-on sentence examples and answers to solidify understanding and boost grammar confidence.

Study Guide

Cheat Sheet

  1. Run-On Sentence Definition and Types -

    Understanding a run-on sentence definition is your first step: it occurs when two independent clauses are improperly joined, causing confusion. They appear as fused sentences ("I love pizza I eat it daily.") or comma splices. Purdue OWL advises spotting these to improve clarity.

  2. How to Identify a Run On Sentence -

    Learn to detect run-on sentences by checking for two complete thoughts stuck together without correct punctuation. A quick scan for missing conjunctions or misused commas helps you catch mistakes early. UNC Writing Center suggests marking independent clauses, then ensuring they're properly linked.

  3. Using Coordinating Conjunctions (FANBOYS) -

    Master FANBOYS (for, and, nor, but, or, yet, so) to join clauses correctly: "I studied hard, so I passed the quiz." Cambridge Dictionary notes this method avoids comma splices. Mnemonic trick: recite each word while clapping to embed it in memory.

  4. Mastering Semicolons for Clarity -

    Semicolons serve as a soft bridge between related clauses: "Grammar can be tricky; practice makes perfect." Think of the semicolon as a soft period linking thoughts without a conjunction. Oxford Guide to Style highlights semicolons as a powerful tool against run-on expansions.

  5. Targeted Run On Sentence Practice -

    Consistent run on sentence practice is key: tackle quizzes that offer run-on sentence examples and answers to reinforce learning quickly. Analyze each correction and note why a semicolon, comma + conjunction, or period works best. Spaced repetition with exercises like this run on sentence quiz cements skills.

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Michael HodgeEdTech Product Lead & Assessment Design SpecialistQuiz Maker
Updated Feb 23, 2026