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.

This site focuses on the three uses for apostrophes: forming possessives of nouns, forming plurals of lowercase letters, and showing omission of letters and provides examples of each.

Resource explains the three uses of the apostrophe and provides examples. Requires Adobe Reader. [PDF]

What is an apostrophe? Where are apostrophes found in writing? Use this website to learn more about these crazy little punctuation marks.

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 site gives a very clear explanation of a gerund and its noun qualities. This resource explains how to use the possessive case with a gerund. A quiz is provided to check understanding of this concept.

This site discusses the misuse of the apostrophe, such as using an apostrophe in a word which is a simple plural, now known as "greengrocer's apostrophe", the contraction it/it's, who's/whose, etc. A trend toward dropping the possessive...

This lesson focuses on recognizing and demonstrating the standard use of apostrophes when using both singular and plural. It also provides a practice exercise.

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.