TEST YOUR KNOWLEDGE: PASSIVE VOICE

Change from active into passive:
http://www.englisch-hilfen.de/en/complex_tests/passive1/index.php (beginners)
http://www.englisch-hilfen.de/en/complex_tests/passive2/index.php (intermediate)
http://www.saberingles.com.ar/curso/lesson24/06.html

Change from passive into active
https://www.englishgrammar.org/change-active-voice/

Complete the sentences with the verbs in brackets in passive voice:
http://www.e-grammar.org/passive-voice/test1-exercise1/
Sentences with two objects:
http://www.ego4u.com/en/cram-up/grammar/passive/exercises?07


impersonal passive (grammar notes + exercises)
http://www.aprenderinglesfacil.es/2010/05/impersonal-passive-voice-voz-pasiva.html (notes)
http://es.slideshare.net/JRodMolina/personal-and-impersonal-passive
http://www.englishexercises.org/makeagame/viewgame.asp?id=6854#a (exercises)
https://www.ego4u.com/en/cram-up/grammar/passive/exercises?09

causative passive
(grammar notes)`
http://www.eoioviedo.org/anacarmen/passive/causative%20verbs.pdf
http://www.englishpedia.net/my-grammar/intermediate/causative/causatives-with-verb-have.html
(exercises)
http://www.englishpedia.net/my-grammar/intermediate/causative/exercises/causative-have-exercise.htm
http://www.englishexercises.org/makeagame/viewgame.asp?id=7326