http://tanawiati.com/2012/03/page/3/

ou

exos

http://fr.calameo.com/read/000498902ec6a7e328d3b

http://www.my-english.edu.pl/index.php?id=38

matching exos

http://www.englishgrammarsecrets.com/pastperfect/exercise3.swf

ou explications

http://www.uwosh.edu/faculty_staff/maguirem/flashgrammar.htm