What is a run-on sentence?
A run-on sentence contains two or more independent clauses (sentences) that are not joined properly. The most common mistake is the comma splice.
- While we were on our way to work, someone in a pickup truck nearly ran into us, I was really upset and couldn't sleep that night.
- Over the past year, Ebola has killed over 5000 people it could have been much worse.
- Grammar Girl says that commas can be used in a variety of ways one such way is as a non-restrictive appositive.