http://www.englisch-hilfen.de/en/exercises_list/passiv.htm
And in the following site you can find the list of the irregular verbs you would need...
www.englishpage.com/irregularverbs/irregularverbs.html
And in the following site you can find the list of the irregular verbs you would need...
www.englishpage.com/irregularverbs/irregularverbs.html