SIMPLE PAST OR PRESENT PERFECT

0 - http://www.ego4u.com/en/cram-up/grammar/simpas-preper/tests?test1

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

2 - http://web2.uvcs.uvic.ca/elc/studyzone/410/grammar/ppvpast2.htm

3 - http://www.englishpage.com/verbpage/verbs5.htm

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

5 - http://www.better-english.com/grammar/pspp1.htm