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Bookhooks Style Guide

Using our Word template, you can annotate student work, adding comments for the 30 Common Errors listed in this style guide. The template facilitates mark up by teachers, and generates comments with links to these resource pages!

   Apostrophe Error (Possession)

30 Common Writing Errors and Their Solutions

Sentence Fragment
Run On/Comma Splice

Parenthetic Expression
Series
Comma Before Independent Clause
Semi-Colon
Colon
Punctuation at end of Quotation
Single Quote Marks
Dialogue
Titles
Possession
Its/It's
Dangling Modifier
Misplaced Modifier
Vague Pronoun Reference
Me/Like
Number Agreement
Parallel Structure
Verb Tenses
Fused Words
Spelling
Passive Voice

Negative Form
Cliches
Choppy Sentences
Wordiness
Qualifiers and Intensifiers
Hedging
Vague, Stilted or Flowery Language

This listing of 30 common writing errors was compiled by The Pingry School and is used with permission.

A singular noun (no matter what its final letter) forms the possessive by adding ’s. Plural nouns ending in s add ’. Plural nouns not ending in s add ’s. Possessive pronouns do not use apostrophes. Do not place an apostrophe before an s that merely indicates a plural noun or a verb form: He stop’s to smell the rose’s.

Eric’s car is yellow; Ross’s is blue.

All the cars’ windshields are smashed.

The children’s envy of the Joneses’ new car was intense.

Ours is fancier than theirs because of its shiny chrome.