This slideshow lesson focuses on the use of apostrophes in forming possessives; it defines apostrophe and lists its purposes. It lists two types of possessives, singular and plural, explains how to form each including the placement of...

This site discusses the correct and incorrect usage of apostrophes to show possession and examples are provided. Note that links are provided at the bottom of the page for other specific uses of the apostrophe.

This lesson focuses on the use of apostrophes to show possession. It explains when to add apostrophe s, when to add only an apostrophe, how to show joint possession, and how to show possession with compound nouns. It provides examples of...

A valuable resource for learning about the uses of the apostrophe in English punctuation, including apostrophes with possessive nouns as well as contractions. Provides examples.

An explanation with examples of possessive nouns and their use of apostrophe.

This slideshow lesson lists the uses of apostrophes: to show possession, create contractions, and identify missing letters. It explains the rules for each of these uses and provides examples.

When to use the apostrophe when more than one person shares the same item, and when similar items are owned individually by different owners. Examples are provided.

This page focuses on the rules for the uses and misuses of the apostrophe including contractions and omissions, possessive nouns, possessive pronouns, how to write joint possession, plurals, apostrophes with surrounding punctuation, and...

This site offers exercises in the sometimes confusing use of plurals of possessives. In each space write "C" if correct, or "I" if incorrect. Then click on "Submit Application" for the answers.

This is a 10-question, self-grading exercise/quiz on the use of Apostrophes.

In this slideshow tutorial, the punctuation topic of "the apostrophe" is reviewed. Each slide provides a different purpose for using an apostrophe.

This resource looks at the three main uses of apostrophes: to take the place of deleted letters; to show possession; and to show plurals of letters, numbers, symbols, abbreviations and words used as words.

Writing center tutorial for how to correctly use various types of punctuation, including the apostrophe in contractions, possessives, and pronouns.

This page expains the rules for forming possessive nouns and provides examples.

This is a 10-question, self-grading exercise/quiz on the use of Apostrophes.

A series of carts containing rules and examples of possessives including singular and plural common nouns, proper nouns, inanimate nouns, days and holidays, and numbers and letters. A fourteen-question practice exercise follows the...

This Purdue Online Writing Lab article explains the three uses of the apostrophe.

This site discusses the correct and incorrect usage of apostrophes to show possession with plural nouns.

Printable information is provided that demonstrates how to identify a possessive pronoun in the context of a sentence.

Rules and examples to demonstrate proper use of apostrophes to show possession, form contractions, and make irregular plurals.

Practice apostrophe usage typing the possessive word that replaces the underlined phrase in each of 20 sentences.

Practice apostrophe usage typing the possessive word that replaces the underlined phrase in each of 20 sentences.

Self-checking quiz tests understanding of apostrophes. Immediate feedback is given and hints or a video are available if needed.

Try these five multiple-choice questions to help review your understanding of contractions and apostrophes.