Passive Voice Exercices

Here you have a link to practise PASSIVE VOICE constructions:

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

RecordPad Sound Recorder

This programm allows you to record your voice and get a .wav file

http://www.nch.com.au/recordpad/rpsetup.exe