Grrrrrrrr .... ammar:/

Mixed tenses practice for those writing egzamin kuratoryjny in October and for every grammar lover:)
http://www.english-grammar.at/worksheets/tenses/tenses.htm
http://www.englishexercises.org/makeagame/viewgame.asp?id=8409
http://www.myenglishpages.com/site_php_files/grammar-exercise-tenses.php#.Ulf4PecayK0
http://theenglishcafe.blogspot.com/2009/11/exercise-mixed-tenses.html
more difficult:
http://www.ihbristol.com/free-english-exercises/test/esol-smc-more-mixed-tenses