Present perfect activities

http://www.englishexercises.org/makeagame/viewgame.asp?id=2705

http://s.mound.free.fr/skyblues67/presentperfect/presperfect1.htm

http://www.eflnet.com/grammar/presperffill.php

http://www.tinyteflteacher.co.uk/learning-english/grammar/exercises/present-perfect-2.html

http://learnenglish.britishcouncil.org/ar/english-grammar/verbs/present-tense/present-perfect