Appositives
● An appositive is a noun or noun phrase that renames the noun immediately
preceding it. Some appositives require commas, and others do not. If the
appositive is nonessential, use commas.
● If the word preceding the appositive identifies the person or thing more precisely
than the appositive, put commas around the appositive.
○ Wrong: Todd Rogers the catcher can really hit the ball.
○ Right: Todd Rogers, the catcher, can really hit the ball.
● If the information preceding the appositive identifies the appositive as one of a
kind, put commas around the appositive.
○ Wrong: The fastest car the red Mustang will win the race.
○ Right: The fastest car, the red Mustang, will win the race.
● If the appositive is essential to identify the word preceding it, do not use commas.
○ Wrong: The class watched the movie, “The Great Escape.”
○ Right: The class watched the movie “The Great Escape.”
● Surround hometowns or ages with commas when they are appositives after a
name.
○ Wrong: Bill Smith 14 won the Kentucky Derby.
○ Right: Bill Smith, 14, won the Kentucky Derby.
City, state and address rules
● When using the city and state, surround the state with two commas.
○ Wrong: Tom traveled through Lexington, Kentucky on the way to Texas.
○ Right: Tom traveled through Lexington, Kentucky, on the way to Texas.
Date rules
● When using the month, day and year, surround the year with two commas.
○ Wrong: The twins were born Aug. 10, 1976 in Germany.
○ Right: The twins were born Aug. 10, 1976, in Germany.
Parenthetical expressions
● Use commas to set off words, phrases or clauses that interrupt the flow of the
sentence.
○ Wrong: The hardest part of the test I think is the punctuation.
○ Right: The hardest part of the test, I think, is the punctuation.
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