Other
Possessives
This article contains rules about the correct way to incorporate possessives into college writing. A link with downloadable practice exercises is included at the end of the lesson.
Kent State University
Ohio Literacy Resource Center: Homonyms
Find out the definition of a homonym when you visit this resource. This site features a list of common homonyms.
Capital Community College Foundation
Guide to Grammar and Writing: Its & It's & There, Their & They're Quiz
Ten sentences test your knowledge of when to use its or it's, there or their or "they're and the like. Click Submit to see answer key.
Khan Academy
Khan Academy: Choosing Between Its and It's
This is one of the most common slip-ups you can make in English! Let's give it a shot.