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Sentence Construction

  • OWL at Purdue: Sentence Construction
    The OWL at Purdue’s Handout Index is a great place to start if you are looking for information on sentence construction. Scroll down to the “Sentence Construction” link to access information on sentence parts, patterns, and variety, clauses and phrases, parallel structure, active and passive voice, and more. Each of these handouts covers definitions, common errors to avoid, and related materials. This is an excellent resource for English 071 and English 101 students.
  • Building Sentences
    Hosted by the University of Ottawa, this site walks students through the process of building sentences. Use the menu on the left to explore related topics: Why Sentence Structure Matters, The Structure of a Sentence, The Order of a Sentence, The Purpose of a Sentence, and more.
  • Sentence Types
    To make your writing varied and interesting, you should try and use all four types of sentences at varied times. This resource outlines the four basic sentence types and provides examples of each.
  • OWL at Purdue: Independent and Dependent Clauses
    This resource is designed to help students identify dependent and independent clauses. It also illustrates how to connect them with the appropriate punctuation.
  • CUNY WriteSite (practice)
    Are you looking for hands-on practice in building and arranging sentences? Look no further! This site also contains links to additional practice related to fragments, punctuation, and using complex sentence patterns.
  • Sentence-Combining Skills (practice)
    This site contains information, examples, and quizzes designed to enhance sentence-combining skills.
  • Fragment, Comma Splice, Run-On, and Complex Sentences (game)
    This game will help students test their knowledge of the major errors in sentence construction as well as correctly identify complex sentences.


  • The OWL at Purdue: Sentence Fragments
    A phrase that cannot stand alone as a sentence is a sentence fragment. This resource provides an overview and examples of this common error. A possible revision of each sentence fragment is included.
  • Sentence Fragments (film clip)
    This film explores methods of avoiding and fixing sentence fragments.
  • Sentence or Fragment? (game)
    This game will help you identify the difference between fragments and complete sentences.

Run-on Sentences

  • CUNY WriteSite: Run -ons
    This site includes a description of a run-on sentence and contains links to additional practice related to run-ons.
  • Run-on Sentences (film clip)
    This film discusses how a run-on sentence is not necessarily a problem with sentence length but rather a problem with sentence structure.
  • Grammar Girl: Run-on Sentences (audio file and transcript)
    This site, hosted by Mignon Fogerty, contains an instructional discussion on the topic of run-on sentences.
  • Fragments and Run-ons (game)
    Play this game to practice determining whether a group of words is a sentence, a fragment, or a run-on.
  • Repairing Run-on Sentences (practice)
    Are you looking for hands-on practice in correcting run-on sentences? This resource contains a quiz on run-on sentences. Correct and incorrect answers are explained in detail.

Comma Splices

  • Comma Splices (film clip)
    Comma splices consist of two independent clauses incorrectly joined with a comma. This film explores how to avoid comma splices and how to correct them.
  • Grammar Girl: Comma Splices (audio file and transcript)
    This site, hosted by Mignon Fogerty, contains an instructional discussion on the topic of comma splices.  
  • Avoiding Comma Splices (practice)
    In this quiz, students are given the opportunity to repair sentences that contain comma splices.