Here you are the videos we have watched in class to study the present perfect tense. You can watch them as many times as you want and you can practise it in the websites below,
Websites to practise the Present Perfect:
http://www.really-learn-english.com/present-perfect-exercises.html
http://www.englisch-hilfen.de/en/exercises/tenses/present_perfect_statements.htm
http://www.agendaweb.org/verbs/present_perfect-exercises.html
http://www.perfect-english-grammar.com/present-perfect-exercises.html
