Great grammar websites

http://www.englisch-hilfen.de/en/exercises_list/alle_grammar.htm

http://www.perfect-english-grammar.com/grammar-exercises.html

https://learnenglish.britishcouncil.org/en/grammar-exercis

https://www.ego4u.com/en/cram-up/grammar

http://www.agendaweb.org/

http://www.learn-english-today.com/lessons/exercise-list.html

http://www.myenglishpages.com/site_php_files/exercises.php

http://www.englishgrammar.org/exercises/

http://englishteststore.net/index.php?option=com_content&view=article&id=11387:free-english-