Present perfect games

http://www.eslgamesworld.com/members/games/grammar/perfectpast/spin%20wheel%20present%20past%20tenses.html

http://eslkidsworld.com/Interactive%20games/Grammar%20Games/Present%20Perfect/present%20perfect%20quiz.html

Past simple games

 http://www.eslgamesplus.com/irregular-past-tense-esl-grammar-jeopardy-quiz-game/

http://www.eslgamesplus.com/past-simple-irregular-verbs-esl-grammar-interactive-activity-online/

Exercises

http://www.perfect-english-grammar.com/irregular-verbs-exercise-3.html

http://www.englishpage.com/verbpage/presentperfect.html

 http://www.agendaweb.org/verbs/present_perfect-exercises.html

Past participle verbs

 http://web2.uvcs.uvic.ca/elc/studyzone/410/grammar/pperf2.htm

http://www.englishexercises.org/makeagame/viewgame.asp?id=2547

 Present perfect vs past simple

 http://www.englisch-hilfen.de/en/exercises/irregular_verbs/crossword_past_participle.htm

 http://www.eslgamesworld.com/members/games/grammar/perfectpast/spin%20wheel%20present%20past%20tenses.html

Yes and already explanation

http://www.eclecticenglish.com/grammar/PresentPerfect1C.html

Mixed tenses
http://www.eslgamesplus.com/verb-tenses-interactive-grammar-game-for-esl-jeopardy-quiz-game/

Video

 http://www.cucirca.eu/2008/06/03/how-i-met-your-mother-season-1-episode-1-pilot/

  http://www.youtube.com/watch?v=JmvVPmf8zKQ

 http://www.youtube.com/watch?v=YsvmSi7MSsI