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Capitalization Rules

Knowing how to use capital letters correctly is important to providing accurate understanding to the reader of the meaning and function of the word.  Here are the rules for capitalizing and some examples of correct usage.

Begin with a capital letter in the following situations.

 

1.  The first word of a sentence.

2.  The first word of a quoted sentence.

3.  The first line of a poem.

4.  The first word and the important words in titles of books, articles, films, plays, and musical works.

5.  Proper nouns.

6.  The pronoun I.

7.  The first word of a salutation and closing of a letter or e-mail.

 

The definition of proper noun sometimes creates confusion.  Here are examples to clarify what constitutes a proper noun.

 

Capitalize the following.

 

Proper names:

 

Cassadaga Valley High School

New York City

United Nations

 

Definite Place Names:

 

Madison Avenue

Winchester Street

 

Family Relationships:

 

Aunt Ann (however, if preceded by a possessive then my aunt Ann)

Uncle Michael

 

Substitute for a person’s name particularly in direct address:

 

“Hello, Aunt.”

Dear Sir

“No, Dad, I didn’t take the car keys.”

 

Definite events:

 

World War II

President’s Day

 

Races, Languages, Religions:

 

Catholic

African-American

French

 

Titles:

 

Dr. Wheatley

Mrs. Ascot

Reverend Jeremiah Lott

 

Organization Names:

 

Rotary Club

Verizon

Democratic Party

 

Deity (and other words associated with deities like sacred writings):

 

God

Buddha

Christ

St. Luke

Scriptures

Koran

Bible (when referring to a holy work as opposed to referring to a thorough work about a particular subject area – “Her book is the bible of cooking.”)

 

Trade names: (only capitalize the part of a trade name which distinguishes it from other brands)

 

McDonald’s Big Mac

Arrow shirts

Motorola cell phones

 

Do not capitalize in the following situations.

 

Words that are not a specific name:

 

my elementary school

our writing club

 

The names of the seasons:

 

spring

summer

autumn

winter

 

Studies other than languages:

 

biology

math

social studies

 

A title after a modifier:

 

my aunt

a pastor

three sisters

 

Remember this rule for capitalizing a title.

 

Do not cap the “CAP” unless it is the first word.  The last “CAP” stands for

 

C- conjunctions (and, but, or, for, nor)

A- articles (the, a, an)

P- prepositions (of, to, for, from)

 

Examples:

 

Gone with the Wind

Of Mice and Men

The Sound of Music

America the Beautiful

 

©Celia Webb, 2008 Reprint Rights:  You may reprint this article as long as you leave all links active, give the author credit, and do not edit the article.

Other articles of interest:

 

Editing Your Writing

 

Common Grammatical Errors

 

Most Commonly Misspelled Words

 

Commonly Misused Words

 

Tautologies

 

Visit our Reference Desk page for a complete listing of articles.