English Composition › Section U · Handbook: grammar, style, and documentation › Topic U.3

Fragments, run-ons, and other sentence errors

A handful of sentence errors cause most of the stumbles readers meet: fragments, comma splices, run-ons and stray modifiers. Each has a reliable test and a small set of fixes, so you can find and repair them quickly when you proofread.

In this topic

  • Errors that trip readers
  • What a fragment is missing
  • Fixing fragments
  • Worked example: repairing fragments
  • Comma splices and run-ons
  • Five ways to repair them
  • Misplaced modifiers
  • Dangling modifiers
  • Worked example: four repairs
  • A proofreading routine
  • Common mistakes to avoid
  • Key takeaways

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