Handout Grammar 10 Commas

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Using Commas Grammar Level: Sun Module: Unit: Compiled by Garden on: 14. Feb. 2007 Reviewed by Ricardo on: 9. Aug. 2007 e-snips: YES Suggested duration: 120 minutes source: http://owl.english.purdue.edu/

Punctuation Marks apostrophe ( ', ’ )

slash/stroke ( / )

degree ( ° )

brackets ( ), [ ], { }, < >

solidus ( ∕ )

emoticons :-)

colon ( : )

Interword separation

inverted exclamation point ( ¡ )

comma ( , )

spaces ( ) ( ) ( )

inverted question mark ( ¿ )

dashes ( ‒, –, —, ― )

interpunct ( · )

number sign ( # )

ellipsis ( …, ... )

General typography

percent and related signs

exclamation mark ( ! )

ampersand ( & )

( %, ‰, ‱ )

full stop/period ( . )

asterisk ( * )

pilcrow ( ¶ )

guillemets ( « » )

at ( @ )

prime ( ′ )

hyphen ( -, ‐ )

backslash ( \ )

section sign ( § )

question mark ( ? )

bullet ( • )

tilde ( ~ )

quotation marks ( ", ‘ ’, “ ” )

caret ( ^ )

umlaut/diaeresis ( ¨ )

semicolon ( ; )

currency ( ¤ ) ¢, $, €, £, ¥, ₩

underscore/understrike ( _ )

dagger ( † ) ( ‡ )

vertical/pipe/broken bar ( |, ¦ )

The comma is a valuable, useful punctuation device because it separates the structural elements of sentences into manageable segments. The rules provided here are those found in traditional handbooks; however, in certain rhetorical contexts and for specific purposes, these rules may be broken. 1. Use commas to separate independent clauses when they are joined by any of these seven coordinating conjunctions: and, but, for, or, nor, so, yet. The game was over, but the crowd refused to leave. The student explained her question, yet the instructor still didn't seem to understand. Yesterday was her brother's birthday, so she took him out to dinner. 2. Use commas after introductory a) clauses, b) phrases, or c) words that come before the main clause. a. Common starter words for introductory clauses that should be followed by a comma include after, although, as, because, if, since, when, while. While I was eating, the cat scratched at the door. Because her alarm clock was broken, she was late for class. LingoCentre – Sun – Grammar– handout_grammar_10_commas.odt - Student's copy page 1 / 8

If you are ill, you ought to see a doctor. When the snow stops falling, we'll shovel the driveway. However, don't put a comma after the main clause when a dependent (subordinate) clause follows it (except for cases of extreme contrast). 1. She was late for class, because her alarm clock was broken. (incorrect) 2. The cat scratched at the door, while I was eating. (incorrect) 3. She was still quite upset, although she had won the Oscar. (correct: extreme contrast) b. Common introductory phrases that should be followed by a comma include participial and infinitive phrases, absolute phrases, nonessential appositive phrases, and long prepositional phrases (over four words). Having finished the test, he left the room. To get a seat, you'd better come early. After the test but before lunch, I went jogging. The sun radiating intense heat, we sought shelter in the cafe. c. Common introductory words that should be followed by a comma include yes, however, well. Well, perhaps he meant no harm. Yes, the package should arrive tomorrow morning. However, you may not be satisfied with the results. 3. Use a pair of commas in the middle of a sentence to set off clauses, phrases, and words that are not essential to the meaning of the sentence. Use one comma before to indicate the beginning of the pause and one at the end to indicate the end of the pause. Here are some clues to help you decide whether the sentence element is essential: • • •

If you leave out the clause, phrase, or word, does the sentence still make sense? Does the clause, phrase, or word interrupt the flow of words in the original sentence? If you move the element to a different position in the sentence, does the sentence still make sense?

If you answer "yes" to one or more of these questions, then the element in question is nonessential and should be set off with commas. Here are some example sentences with nonessential elements: Clause: That Tuesday, which happens to be my birthday, is the only day when I am available to meet. Phrase: This restaurant has an exciting atmosphere. The food, on the other hand, is rather bland. Word: I appreciate your hard work. In this case, however, you seem to have overexerted yourself. 4. Do not use commas to set off essential elements of the sentence, such as clauses beginning with that (relative clauses). That clauses after nouns are always essential. That clauses following a verb expressing mental action are always essential. That clauses after nouns: The book that I borrowed from you is excellent. LingoCentre – Sun – Grammar– handout_grammar_10_commas.odt - Student's copy page 2 / 8

The apples that fell out of the basket are bruised. That clauses following a verb expressing mental action: She believes that she will be able to earn an A. He is dreaming that he can fly. I contend that it was wrong to mislead her. They wished that warm weather would finally arrive. Examples of other essential elements (no commas): Students who cheat only harm themselves. The baby wearing a yellow jumpsuit is my niece. The candidate who had the least money lost the election. Examples of nonessential elements (set off by commas): Fred, who often cheats, is just harming himself. My niece, wearing a yellow jumpsuit, is playing in the living room. The Green party candidate, who had the least money, lost the election. Apples, which are my favorite fruit, are the main ingredient in this recipe. Professor Benson, grinning from ear to ear, announced that the exam would be tomorrow. Tom, the captain of the team, was injured in the game. It is up to you, Jane, to finish. She was, however, too tired to make the trip. Two hundred dollars, I think, is sufficient. 5. Use commas to separate three or more words, phrases, or clauses written in a series. The Constitution establishes the legislative, executive, and judicial branches of government. The candidate promised to lower taxes, protect the environment, reduce crime, and end unemployment. The prosecutor argued that the defendant, who was at the scene of the crime, who had a strong revenge motive, and who had access to the murder weapon, was guilty of homicide. 6. Use commas to separate two or more coordinate adjectives that describe the same noun. Be sure never to add an extra comma between the final adjective and the noun itself or to use commas with non-coordinate adjectives. Coordinate adjectives are adjectives with equal ("co"-ordinate) status in describing the noun; neither adjective is subordinate to the other. You can decide if two adjectives in a row are coordinate by asking the following questions: • •

Does the sentence make sense if the adjectives are written in reverse order? Does the sentence make sense if the adjectives are written with and between them?

If you answer yes to these questions, then the adjectives are coordinate and should be separated by a comma. Here are some examples of coordinate and non-coordinate adjectives: He was a difficult, stubborn child. (coordinate) They lived in a white frame house. (non-coordinate) She often wore a gray wool shawl. (non-coordinate) Your cousin has an easy, happy smile. (coordinate) LingoCentre – Sun – Grammar– handout_grammar_10_commas.odt - Student's copy page 3 / 8

The 1) relentless, 2) powerful 3) summer sun beat down on them. (1-2 are coordinate; 23 are non-coordinate.) The 1) relentless, 2) powerful, 3) oppressive sun beat down on them. (Both 1-2 and 2-3 are coordinate.) 7. Use a comma near the end of a sentence to separate contrasted coordinate elements or to indicate a distinct pause or shift. He was merely ignorant, not stupid. The chimpanzee seemed reflective, almost human. You're one of the senator's close friends, aren't you? The speaker seemed innocent, even gullible. 8. Use commas to set off phrases at the end of the sentence that refer back to the beginning or middle of the sentence. Such phrases are free modifiers that can be placed anywhere in the sentence without causing confusion. (If the placement of the modifier causes confusion, then it is not "free" and must remain "bound" to the word it modifies.) 1. Nancy waved enthusiastically at the docking ship, laughing joyously. (correct) 2a. Lisa waved at Nancy, laughing joyously. (incorrect: Who is laughing, Lisa or Nancy?) 2b. Laughing joyously, Lisa waved at Nancy. (correct) 2c. Lisa waved at Nancy, who was laughing joyously. (correct) 9. Use commas to set off all geographical names, items in dates (except the month and day), addresses (except the street number and name), and titles in names. Birmingham, Alabama, gets its name from Birmingham, England. July 22, 1959, was a momentous day in his life. Who lives at 1600 Pennsylvania Avenue, Washington, DC? Rachel B. Lake, MD, will be the principal speaker. (When you use just the month and the year, no comma is necessary after the year: "The average temperatures for July 1998 are the highest on record for that month.") 10. Use a comma to shift between the main discourse and a quotation. John said without emotion, "I'll see you tomorrow." "I was able," she answered, "to complete the assignment." In 1848, Marx wrote, "Workers of the world, unite!" 11. Use commas wherever necessary to prevent possible confusion or misreading. To George, Harrison had been a sort of idol.

Comma Abuse Commas in the wrong places can break a sentence into illogical segments or confuse readers with unnecessary and unexpected pauses. 12. Don't use a comma to separate the subject from the verb. An eighteen-year old in California, is now considered an adult. (incorrect) The most important attribute of a ball player, is quick reflex actions. (incorrect)

LingoCentre – Sun – Grammar– handout_grammar_10_commas.odt - Student's copy page 4 / 8

13. Don't put a comma between the two verbs or verb phrases in a compound predicate. We laid out our music and snacks, and began to study. (incorrect) I turned the corner, and ran smack into a patrol car. (incorrect) 14. Don't put a comma between the two nouns, noun phrases, or noun clauses in a compound subject or compound object. The music teacher from your high school, and the football coach from mine are married. (incorrect: compound subject) Jeff told me that the job was still available, and that the manager wanted to interview me. (incorrect: compound object) 15. Don't put a comma after the main clause when a dependent (subordinate) clause follows it (except for cases of extreme contrast). 1. She was late for class, because her alarm clock was broken. (incorrect) 2. The cat scratched at the door, while I was eating. (incorrect) 3. She was still quite upset, although she had won the Oscar. (correct: extreme contrast)

NOTES

LingoCentre – Sun – Grammar– handout_grammar_10_commas.odt - Student's copy page 5 / 8

Using Commas: Exercise #1 Add commas as needed in the sentences below. On the line to the left of each sentence, write the number of the appropriate comma rule. If the sentence is correct as it is, write C on the line and refer to the appropriate rule in parentheses after the sentence. _____ He left the scene of the accident and tried to forget that it had happened. _____ Oil which is lighter than water rises to the surface. _____ Madame de Stael was an attractive gracious lady. _____ Nice is a word with many meanings and some of them are contradictory. _____ The contractor testified that the house was completed and that the work had been done properly. _____ Some people refuse to go to the zoo because of pity for creatures that must live in small cages. _____ Taxicabs that are dirty are illegal in some cities. _____ The closet contained worn clothes old shoes and dirty hats. _____ The uninvited guest wore a dark blue tweed suit. _____ After surviving this ordeal the trapper felt relieved. _____ Mark Twain's early novels I believe stand the test of time. _____ December 7 1941 will never be forgotten. _____ The field was safe enough wasn't it? _____ Write the editor of the Atlantic 8 Arlington Street Boston Massachusetts 02116. _____ He replied "I have no idea what you mean." _____ After a good washing and grooming the pup looked like a new dog. _____ Because of their opposition to institutions that force creatures to live in captivity some people refuse to go to the zoo. _____ Men who are bald are frequently the ones who are the most authoritative on the subject of baldness. _____ Vests which were once popular have been out of vogue for several years. _____ As a celestial goddess she regulated the course of the heavenly bodies and controlled the alternating seasons. _____ I hope that some day he will learn how to be polite.

Commas: Exercise #2 Put in commas wherever they are needed in the following sentences. 1.

There was no question that John's painting a huge colourful and ugly mural was the worst entry in the art exhibit.

2.

Werner von Braun Willy Ley and Edward Teller noted authorities in the field of rocket development have done much to guide the missile program of the United States.

3.

Mr. Cready's ability to say the wrong thing at the wrong time is I believe amazing.

4.

Running around the house the dog was abruptly stopped by a fence.

5.

If the opposition should win our candidate would never have any political future.

6.

Gracefully lightly and daintily the ballerina moved across the stage.

7.

Glamour the woman's fashion magazine recently incorporated with Charm another fashion journal.

8.

Joe was born on May 7 1955 and his best friend was born exactly two months later on July 7 1955.

9.

Mr. and Mrs. Kwon my parents' best friends sat in front of us at the football game. LingoCentre – Sun – Grammar– handout_grammar_10_commas.odt - Student's copy page 6 / 8

10. November 11 1918 the armistice ending World War I was signed.

Commas: Exercise #3 Put in commas wherever they are needed in the following sentences. 1.

The problems involved in this operation are I think numerous.

2.

Celene who does not usually tell anyone what she feels said she didn't want to go to the dance.

3.

To get tickets for some Broadway musicals one has to order three months in advance.

4.

Listening to the radio Jun heard an announcement that Spangler his own dog was lost.

5.

I used to live at 16689 Sutton Avenue Milpitas California but we have since moved to 1895 Holland Way Dubuque Iowa.

6.

The Valley of the Moon the name of a section in Napa County California is the heart of the state's wine producing area.

7.

Chris did not see how he could organize write and proofread this paper in only two hours.

8.

By the pilings of the old pier I found four starfish a clam and a sea anemone.

9.

Yes Helen did mention that all three of you were coming for lunch.

10. I believe therefore that fraternities are good influences on a college campus.

Commas: Exercise #4 Put in commas wherever they are needed in the following sentences. 1.

The girl with the bright friendly smile wore a bright green scarf to celebrate St. Patrick's Day.

2.

As he read the Chekhov story he became aware of the Russian's genius.

3.

Dauphin Island located off the coast of Alabama is a favourite spot for fishing.

4.

She was as a matter of fact mainly interested in showing off her vocabulary.

5.

I often go to the seashore and collect rocks there.

6.

Before reaching the summit the climbers were forced by a storm to turn back.

7.

Did you know that James Agee the novelist and poet was also a film critic?

8.

Lady Jane Grey was the queen of England from July 10 1553 to July 19 1553.

9.

Joseph registered for English 101 History 204 and Biology 106.

10. After discussing "Rain" we agreed that Somerset Maugham could really tell a good story. 11. Squaw Valley California the scene of the winter Olympics in 1960 is a ski resort. 12. Tomorrow I believe is the last day to register to vote in the November general election. 13. To perform well on Saturday afternoon the athlete must train every day of the week. 14. Understanding history increases your understanding of today's world. 15. Meg Fischer my cousin hopes to graduate from law school in two years. 16. He reads everything: road maps want ads and cereal boxes. 17. Having cut the roses she decided to bring them to her friend in the hospital. 18. "When" Jaime asked "will you return my book?"

LingoCentre – Sun – Grammar– handout_grammar_10_commas.odt - Student's copy page 7 / 8

Commas: Exercise #5 Put in commas wherever they are needed in the following sentences. 1.

We went to Bar Harbour but did not take the ferry to Nova Scotia.

2.

The ginkgo tree whose leaves turn bright yellow in the fall came to this country from Asia.

3.

The address for the governor's mansion is 391 West Ferry Road Atlanta Georgia.

4.

The villagers enjoyed fairs festivals and good conversation.

5.

When the intermission was over the members of the audience moved back to their seats.

6.

Andy took the elevator to the third floor rushed into the office and asked to see his father.

7.

When he stumbled over your feet William was clumsy not rude.

8.

She listened to her favourite record with close careful attention.

9.

Jillian who had worked in the dress shop all summer hoped to work there again during the Christmas holidays.

10. Go the first traffic light turn left and then look for a yellow brick building on the north side of the street. 11. Once she has graduated I do not know where she is going or what she is planning to do. 12. "Oh no" Max exclaimed "I think that Dr. Holmes was referring to Eliot the novelist not Eliot the poet." 13. Below the fields stretched out in a hundred shades of green. 14. To understand the purpose of the course the student needs to read the syllabus. 15. All students are eligible to receive tickets but must go to the athletic office to pick them up. 16. Thomas Paine's pamphlet appeared in Philadelphia Pennsylvania on January 9 1776. 17. You don't want any more hamburgers do you?

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