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Form the possessive singular of nouns by adding ‘s.
- This rule applies regardless of the final consonant of the noun.
- Examples: Charles’s friend, Burns’s poems, the witch’s malice
- Exceptions include possessive of ancient proper names ending in -es or -is, the possessive Jesus’, and phrases like "for conscience’ sake".
- Possessive pronouns like hers, its, theirs, yours, and ours do not use an apostrophe.
- Indefinite pronouns, however, do use an apostrophe to show possession. Examples: one’s rights, somebody else’s umbrella
- It is important to distinguish between it’s (contraction of "it is") and its (possessive).
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In a series of three or more terms with a single conjunction, use a comma after each term except the last.
- This is known as the "serial comma".
- Examples: red, white, and blue; gold, silver, or copper; He opened the letter, read it, and made a note of its contents.
- In business firm names, the last comma is usually omitted.
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Enclose parenthetic expressions between commas.
- Examples: The best way to see a country, unless you are pressed for time, is to travel on foot.
- Use commas to set off dates, names in direct address, abbreviations like etc., i.e., e.g., academic degrees, and titles following a name.
- Do not use commas to separate a noun from a restrictive term of identification. Examples: Billy the Kid, The novelist Jane Austen
- Use commas for nonrestrictive relative clauses and clauses indicating time or place, but not for restrictive clauses.
- Use a comma after introductory phrases or dependent clauses.
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Place a comma before a conjunction introducing an independent clause.
- Examples: The early records of the city have disappeared, and the story of its first years can no longer be reconstructed.
- Use a comma before conjunctions like as (meaning "because"), for, or, nor, while (meaning "and at the same time").
- No comma is needed after the conjunction if a dependent clause or introductory phrase requiring a comma precedes the second independent clause.
- Use a comma if the subject is the same for both clauses and the connective is but, but omit the comma if the connective is and and the relation between statements is close.
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Do not join independent clauses with a comma.
- Use a semicolon to separate two or more grammatically complete clauses not joined by a conjunction.
- Examples: Mary Shelley’s works are entertaining; they are full of engaging ideas.
- You may also write each clause as a separate sentence.
- Use a comma if a conjunction is inserted.
- A semicolon is still required if the second clause is preceded by an adverb like accordingly, besides, then, therefore, or thus.
- A comma is preferable when clauses are very short and similar in form, or when the tone is conversational. Examples: Man proposes, God disposes.
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Do not break sentences in two.
- Avoid using periods for commas.
- It is permissible to use a period for emphasis, but only if the emphasis is truly warranted.
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Use a colon after an independent clause to introduce a list of particulars, an appositive, an amplification, or an illustrative quotation.
- A colon indicates that what follows is closely related to the preceding clause.
- Examples: Your dedicated whittler requires three props: a knife, a piece of wood, and a back porch.
- Use a colon to join two independent clauses if the second interprets or amplifies the first, or to introduce a quotation that supports or contributes to the preceding clause.
- Colons are also used in formal letter salutations, time notations, and separating titles from subtitles.
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Use a dash to set off an abrupt break or interruption and to announce a long appositive or summary.
- A dash is a stronger separator than a comma, less formal than a colon, and more relaxed than parentheses.
- Examples: His first thought on getting out of bed — if he had any thought at all — was to get back in again.
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The number of the subject determines the number of the verb.
- Words between the subject and verb do not affect the verb’s number.
- Use a singular verb in a relative clause following "one of..." or a similar expression when the relative is the subject.
- Use a singular verb after each, either, everyone, everybody, neither, nobody, someone.
- Use the singular verb with none when it means "no one" or "not one", and the plural verb when it suggests more than one.
- A compound subject joined by and usually requires a plural verb, but some inseparable compounds or those qualified by each or every take a singular verb.
- A singular subject remains singular even if connected to other nouns by with, as well as, in addition to, except, together with, and no less than.
- A linking verb agrees with the number of its subject.
- Some plural-looking nouns take a singular verb, and vice versa. Learn the idioms.
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Use the proper case of pronoun.
- Personal pronouns and who change form depending on whether they are subjects or objects.
- Examples: Will Jane or he be hired, do you think?
- When who introduces a subordinate clause, its case depends on its function in that clause.
- A pronoun in a comparison is nominative if it is the subject of a stated or understood verb.
- Avoid “understood” verbs by supplying them.
- Use the simple personal pronoun as a subject, not the reflexive pronoun.
- Use the possessive case to show ownership.
- Gerunds usually require the possessive case, while present participles as verbals take the objective case.
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A participial phrase at the beginning of a sentence must refer to the grammatical subject.
- Ensure the participle refers to the sentence’s subject, not another noun.
- Examples: Walking slowly down the road, he saw a woman accompanied by two children.
- The same rule applies to participial phrases preceded by a conjunction or preposition, nouns in apposition, adjectives, and adjective phrases at the beginning of a sentence.
This chapter provides guidance on words and expressions that are often misused or considered bad style. It emphasizes the importance of using specific and clear language rather than relying on vague generalities. Here are some key points:
This chapter explores style in its broader sense, emphasizing that good style emerges from clear thinking, effective communication, and the writer's individual voice. It offers the following reminders: