Run-on sentences are difficult to read because they combine too many ideas without enough punctuation. Learn four easy strategies for fixing run-on sentences so that your writing is a breeze to read.

(Note: It’s easier to identify run-on sentences if you know about main clauses.)

Another kind of run-on sentence to avoid is the comma splice.

Run-on Sentences Quiz

Ready to test your knowledge of run-on sentences? Try the run-on sentences quiz!


Main Clauses
Subordinate Clauses
How to Fix Run-on Sentences
Comma Splices