Present perfect

Some activities about the form and use of the present perfect simple and its contrast with the past simple.

1. http://letshavefunwithenglish.com/games/irregular_verbs/past_participles/index.html
2. http://www.agendaweb.org/exercises/verbs/present-perfect-2
3. http://www.agendaweb.org/exercises/verbs/present-perfect-multiple
4. http://www.agendaweb.org/exercises/verbs/present-perfect-sentences
5. http://www.montsemorales.com/gramatica/PresPerf1.htm
6. http://www.montsemorales.com/gramatica/PresPerf1-B.htm
7. http://www.english-grammar-lessons.com/presentperfectorpastsimple/exercise1.swf
8. http://www.adelescorner.org/grammar/pres_perfect/pres_per_vs_past_simple.html
9. http://www.englisch-hilfen.de/en/exercises/tenses/simple_past_present_perfect2.htm
10. http://www.englishgrammarsecrets.com/presentperfectorpastsimple/exercise4.swf
11. http://web2.uvcs.uvic.ca/elc/studyzone/330/grammar/upperf2.htm
12. http://www.focus.olsztyn.pl/en-past-simple-or-present-perfect.html#.WBRtB-GLSDU
13. http://esl.fis.edu/grammar/multi/3.htm
14. http://www.englisch-hilfen.de/en/exercises/tenses/simple_past_present_perfect.htm