4.4 Capitalization and Recognizing Correct Sentences

Capitalization: Distinguish Names from Descriptions

Capitalization is explicitly listed in the official Writing language-skills outline. A capital letter identifies a sentence beginning, a proper name, or another conventionally capitalized element. It does not simply signal importance. In a usage item, a common noun written with a capital can be an error, just as a proper noun written in lowercase can be an error.

A proper noun identifies a particular person, place, organization, or named work. A common noun describes a class of people, places, or things. Compare “The district hired a principal” with “Principal Chen welcomed the visitors.” The first uses a general job description. In the second, Principal functions as a title attached to a name. Context determines capitalization; principal should not be capitalized every time it appears in an educational passage.

Sentence Beginnings and the Pronoun I

Capitalize the first word of a complete sentence and the personal pronoun I wherever it occurs. After a period ending one sentence, the next sentence begins with a capital. After a semicolon connecting clauses, an ordinary common word normally remains lowercase: “The class revised the draft; the tutor checked citations.” The semicolon does not begin a new sentence.

A proper noun keeps its capital after a semicolon: “The class revised the draft; Maya checked citations.” Likewise, a direct quotation that begins a complete quoted sentence normally begins with a capital. A short quoted phrase incorporated into a sentence may remain lowercase. Compare “Maya said, ‘The example needs explanation’” with “Maya described the example as ‘too general.’” The quoted material's grammatical role governs the difference.

Names, Languages, and Places

Capitalize names such as Maya Chen, Portland, and Oregon. Capitalize languages, nationalities, and names derived from proper nouns: English, Spanish, French, and American. Do not capitalize a generic academic subject merely because it is taught in school. “She studies mathematics and English” correctly capitalizes the language and leaves the general subject lowercase.

A specific course title may use capitals: “She enrolled in Introduction to Academic Writing.” The descriptive phrase “an introductory writing course” is lowercase. Similarly, “Lakeview High School” is a named institution in a fictional example, while “the local high school” is descriptive. If an examination passage supplies an official name, preserve that name rather than guessing a new capitalization style.

Dates, Seasons, and Directions

Days of the week and months have capitals: Monday and October. Seasons generally do not: spring and autumn. A named event or title containing a season may retain its capitalization as part of that name. Avoid changing a title merely because its ordinary descriptive word would be lowercase elsewhere.

Directions used to describe movement are normally lowercase: “The bus traveled north.” A recognized geographical region can have capitals: “The school is in the Pacific Northwest.” When the text describes a compass direction rather than naming a region, preserve the descriptive use. The same letter pattern can perform different functions in different sentences.

Titles and Family Relationships

A title used directly before a person's name commonly takes a capital: “Director Chen signed the letter.” A job description used generically remains lowercase: “The director signed the letter.” In ordinary prose after a name, a descriptive job phrase is often lowercase: “Maya Chen, the director, signed the letter.” Follow the passage's supplied name and style when evaluating an item.

Family terms can act as names or descriptions. “I asked Mom for help” uses Mom as a name. “I asked my mom for help” uses a description modified by my. The pronoun I remains capitalized in either sentence. This example illustrates function rather than a rule that every family term always takes a capital.

Recognizing No Error

The official outline includes recognizing sentences already correct in grammar, capitalization, and punctuation. Do not assume that every usage item contains an error. Check the sentence's structure, agreement, wording, capitals, and punctuation. If no convention is violated, select the correct unchanged or no-error option specified by the question.

Consider the fictional sentence “On Monday, the principal met with Professor Chen to discuss the English course.” Monday is a day name, principal is a generic job description, Professor is attached to a name, and English is a language. The introductory phrase can take a comma. None of these choices needs correction. Capitalizing principal would add a change without solving a problem.

Now consider “On monday, the principal met with Professor Chen.” Lowercase monday is the error. The correction is narrowly targeted: capitalize Monday while preserving the grammatical remainder. A good editor makes the change justified by a rule, rather than rewriting every nearby phrase.

Final Editing Check

When proofreading an essay, inspect sentence beginnings, proper names, source-author names, I, days, months, and languages. Then look for common nouns unnecessarily capitalized for emphasis. Keep source names faithful to the supplied passages. Accurate capitalization helps readers recognize identities and sentence boundaries without distracting changes or invented titles.