Forms 7a, 7c. Passive voice

 For practicing:

https://www.englisch-hilfen.de/en/exercises/active_passive/active_or_passive1.htm;

https://www.englisch-hilfen.de/en/exercises/active_passive/active_or_passive2.htm;

https://www.englishgrammar.org/active-passive-voice-exercise-8/;

https://www.english-grammar.at/online_exercises/passive-voice/pa010-active-passive.htm;

https://www.english-grammar.at/online_exercises/passive-voice/pa007-active-passive.htm;

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

https://www.ego4u.com/en/cram-up/grammar/passive/exercises?06.

QUIZ: