regular-irregular verbs

1- http://www.eslgamesplus.com/past-simple-irregular-verbs-esl-grammar-interactive-activity-online/

2-http://www.englisch-hilfen.de/en/exercises/irregular_verbs/fill_in.htm

3- http://www.englisch-hilfen.de/en/exercises/irregular_verbs/fill_in2.htm

4-http://www.englisch-hilfen.de/en/exercises/irregular_verbs/mix.htm

5-http://www.englisch-hilfen.de/en/exercises/irregular_verbs/mix2.htm

6-http://www.englisch-hilfen.de/en/exercises/verbs1/index.php

7-http://www.englisch-hilfen.de/en/exercises/verbs2/index.php

8-http://www.macmillandictionary.com/verb_wheel/

9-http://www.eslgamesworld.com/members/games/grammar/New_Snakes_%20Ladders/Past_simple_tense.html

10http://www.manythings.org/wbg/verbs_past1-mw.html

11- http://www.english-online.org.uk/games/pasttense2.htm