Webs to revise the passive voice

https://www.ego4u.com/en/cram-up/grammar/passive/exercises

http://www.learnenglishfeelgood.com/esl-passive-voice-exercise2.html

http://autoenglish.org/gr.pas.i.htm

http://www.learnenglish-online.com/grammar/tests/passive.html

http://www.agendaweb.org/verbs/passive-exercises.html

http://grammar.yourdictionary.com/style-and-usage/change-passive-voice-to-active-voice.html


INDIRECT OBJECT PASSIVES:


http://www.tolearnenglish.com/exercises/exercise-english-2/exercise-english-4216.php

http://www.englishpedia.net/grammar-exercises/active-passive/passive-with-indirect-objects.html


HAVE SOMETHING DONE:

http://www.englishexercises.org/makeagame/viewgame.asp?id=1759

http://www.englishpedia.net/my-grammar/intermediate/causative/causatives-with-verb-have.html