1. Commas Unit 1

2. Unit 1 Commas 2 of 10 Unit 1 Commas Parenthetical Expressions Appositives Additional Explanatory Expressions Direct Address

3. Unit 1 Commas 3 of 10 Parenthetical Expressions A parenthetical expression is a word or phrase that is not essential to the meaning or grammatical correctness of a sentence; it is set off by commas. When the parenthetical word or phrase occurs at the beginning or end of a sentence, only one comma is used to set it off.  Unfortunately, the store is closed today.  Eduardo is, in my opinion, the winner.

4. Unit 1 Commas 4 of 10 Tryout Sentences 1. The President has decided to veto the bill nevertheless. 2. Your work history therefore will be reviewed. 3. Obviously this parking meter is not working. 4. Your absence as a matter of fact was not even noticed. 5. On the contrary I do not agree with the judge’s decision.

5. Unit 1 Commas 5 of 10 Appositives An appositive is a word or phrase that explains or describes a preceding noun. When the appositive is not essential to the meaning or grammatical correctness of a sentence, it is set off by commas. When the appositive word or phrase occurs at the end of a sentence, only one comma is necessary.  Joe Maci, a well-respected citizen of this city, has decided to run for public office.  Her new necklace, a pearl choker, was a gift.

6. Unit 1 Commas 6 of 10 Tryout Sentences 1. My uncle gave me my best Christmas gift a set of toy trains. 2. Our last vacation three days in Nassau was too short. 3. John Singer Sargent the portrait painter is represented in this exhibit. 4. Ginny lives on the busiest street in town Maple Avenue. 5. The company president Leila Corrales advised Jim of his promotion.

7. Unit 1 Commas 7 of 10 Additional Explanatory Expressions Certain abbreviations that follow names are set off by commas. These include Jr., Sr., Esq., Ph.D., D.D.S., and CPA. (When Esq. and academic abbreviation are used, no titles precede the name.)  I have an appointment with Mr. Lou Calley, Sr., this evening.  The court appointed Ashley Hunter, Esq., as his attorney.

8. Unit 1 Commas 8 of 10 Tryout Sentences 1. Joel Pincus D.D.S. has been in practice for 18 years. 2. The industrialist William Todd Jr. spoke at the banquet honoring his father. 3. Their attorney Joan Gutierrez Esq. is fair and understanding. 4. We just learned that Beulah Forbes Ph.D. is retiring soon. 5. My appointment with Olivia Badia M.D. is for this coming week.

9. Unit 1 Commas 9 of 10 Direct Address Direct address occurs when the person being communicated with is called by name or title. Names and titles in direct address are set off by commas. When direct address occurs at the beginning or end of a sentence, only one comma is used to set it off.  Your presence is requested, Colleen.  I believe, sir, that you are correct.

10. Unit 1 Commas 10 of 10 Tryout Sentences 1. Mr. President you are meeting today with the president of Chile. 2. The troops Colonel are waiting to be reviewed. 3. Sign your name on the dotted line Aunt Jeri. 4. Ladies and gentlemen please fasten your seatbelts. 5. I just learned Mrs. Fujiwara that three members of your department are absent.