Simple Past -present Perfect

http://www.usingenglish.com/quizzes/228.html

http://web2.uvcs.uvic.ca/elc/studyzone/410/grammar/ppvpast1.htm

http://www.eslgamesplus.com/present-perfect-vs-past-tenses-rally/

http://www.englisch-hilfen.de/en/exercises/tenses/simple_past_present_perfect4.htm

http://www.englisch-hilfen.de/en/exercises/tenses/simple_past_present_perfect.htm

http://www.perfect-english-grammar.com/past-simple-present-perfect-4.html