In order to write Russian, one must know the rules of grammar. Here are a few web sites with Russian grammar "simply put". 
 
Interactive Online Russian Reference Grammar from Bucknell University. By topic and with interactive exercises - an excellent aid in mastering Russian grammar! 
 
Grammar Tutorials - Short Russian grammar tutorials organized by topic from Auburn University. 

Grammar Exercises - Grammar exercises that can be used independently of the tutorials above. 
 
Russian Punctuation - The program "Punctuation" teaches and examines students on the theme "The Rules of Using the Comma in Russian". 
 

Please submit all questions and comments to Alina Makin