Let’s do some exercises to revise the “Past Simple” and the “Past Continuous” tenses.
To do this, go to these links:
http://www.ego4u.com/en/cram-up/grammar/past-progressive#exercises
http://www.ego4u.com/en/cram-up/grammar/simpas-paspro/exercises
http://www.ego4u.com/en/cram-up/tests/past-progressive-1
Once you have revised the past tenses, click on these links to revise the present perfect.
http://www.ego4u.com/en/cram-up/grammar/present-perfect-simple/exercises?05
http://www.ego4u.com/en/cram-up/grammar/present-perfect-simple/exercises?05
http://www.ego4u.com/en/cram-up/grammar/present-perfect-simple/exercises?07
http://www.ego4u.com/en/cram-up/grammar/present-perfect-simple/exercises?06