Grammar can be tricky and many people make mistakes in their writing. Here are a couple of resources to help you remember when to use their, they’re and there, or the one that always trips me up, affect or effect.  

10 Words You Need to Stop Misspelling from The Oatmeal: 

Fix Your Grammar from Glove & Boots:

And finally Grammar Girl weighs in on the Top Ten Grammar Myths: 

Impress your professors or at least stop making them literally crazy!