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More on Comma Usage

Here's some 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 for work.
 
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 green.
 
5.  Use commas to separate adjectives before a noun
    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, Massachusetts.
 
7.  Use commas to shift to a quotation
    ex:  "I think," she said, "it's almost time to go."
 
 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 the park.
 
10.  DON'T use commas to separate nouns or noun phrases in a compound subject/object. Incorrect ex: Men, and women are different.
 

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