OR HAVE QUESTIONS ABOUT THE DIFFERENCE BETWEEN LOSE AND LOOSE?
THE OATMEAL HAS A LOT OF FUN COMICS TO HELP YOU OVERCOME THE MOST COMMON GRAMMAR MISTAKES!
For more help, check out the Grammar Girl's Quick and Dirty tips!
Here's an example explaining the difference between "affect" and "effect." It includes an example, a memory trick, and cartoon to help you remember when to use "affect" and effect."
Free Grammar check tool by Grammer,net. Copy and paste sentences to check for grammatical errors.
These OWL resources will help you use correct grammar in your writing. This area includes resources on grammar topics, such as count and noncount nouns, articles (a versus an), subject-verb agreement, and prepositions.
Grammar-related exercises can be found here.