PASSIVE VOICE

https://www.montsemorales.com/gramatica/Objectpronpass.htm

https://www.englisch-hilfen.de/en/exercises/active_passive/questions.htm

https://www.montsemorales.com/gramatica/Passivpres1.htm

https://agendaweb.org/exercises/verbs/passive-write-1

https://www.englisch-hilfen.de/en/exercises/active_passive/questions2.htm

https://agendaweb.org/exercises/verbs/passive-1

http://www.esl-lounge.com/student/grammar/3g20-passive-active-exercise.php

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

http://suz.digitaleschulebayern.de/english/grammar/passive1.htm

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