Punctuation Tips

Seven Simple Comma Rules to Know for the ACT


Use Commas in the following situations:Screen Shot 2015-12-10 at 3.11.02 PM


  • For, And, Nor, But, Or, Yet, So to combine two complete sentence (if not combining two complete sentences, no comma)


  • a dependent clause that is followed by an independent clause (Before he ate cake, he ate dinner.)
  • an introductory word or phrase (However, …)


  • non-essential phrases in middle of sentence( …., however, ...)
  • non-essential appositive phrases 


  • items on a list (comma before and is optional)
  • adjectives when their order does not matter

When in doubt, leave the comma out.

Sandy Aprahamian, EDNavigators LLC