More on Comma Usage
helpful hints for comma usage:
1. Use a comma to separate independent clauses
when joined by "and, but, for, or, nor, so, yet"
ex: The class ended, but the students stayed
at their desks.
2. Use commas after introductory phrases/clauses
ex: Because her car broke down, she was late
3. Use commas to separate the nonessential
information in a sentence (or at the end of a sentence)
ex: This Friday, which happens to be my
friend's birthday, I have a big exam.
4. Use commas to separate three or more
words/phrases/clauses in a list
ex: My favorite colors are blue, red, and
5. Use commas to separate adjectives before a
ex: He's rather large, handsome man.
6. Use commas to set off geographical names,
dates, addresses, and titles
ex: She lives at 18 Elm Street, Boston,
7. Use commas to shift to a quotation
ex: "I think," she said, "it's almost time to
8. DON'T use commas to separate subjects
and verbs. Incorrect ex: What is bothering me, is that you never say hello.
9. DON'T use commas to separate verb phrases in a
compound sentence. Incorrect ex: I like swimming in the lake, and walking to
10. DON'T use commas to separate nouns or noun
phrases in a compound subject/object. Incorrect ex: Men, and women are