ProfessorWord: Improve your vocabulary while you surf the web. The Blue Book of Grammar and Punctuation. Grammar Bytes! Grammar Instruction with Attitude. 5 Most Common Grammatical Errors. Understanding the five most common grammatical errors can help you improve your writing.
When you know which errors to look for, it's easier to act as your own editor. Error #1: Run-on Sentence or Comma Splice A run-on sentence is a sentence that joins two independent clauses without punctuation or the appropriate conjunction. A comma splice is similar to a run-on sentence, but it uses a comma to join two clauses that have no appropriate conjunction. Fixing a run-on sentence or a comma splice can be accomplished in one of five different ways: