Upper-Intermediate ✍️ Writing · #47 of 98

Avoiding Common Writing Errors

Run-ons, fragments, comma splices.

Examples

  • Fix: Use a full stop or conjunction.

Key rules

  • Run-on sentences join two complete sentences without punctuation
  • Sentence fragments lack a subject or verb
  • Comma splices join two complete sentences with only a comma

Common mistakes

  • It was late we went home. → It was late, so we went home.
  • Because it was late. → Because it was late, we went home.

Use cases

  • Essay proofreading
  • Email writing
  • Exam writing tasks
💡 Tip: Read each sentence and ask: does it have a subject and a finite verb? If not, fix it.

Related Upper-Intermediate topics

See all Upper-Intermediate writing lessons →