PAST PASSIVE

 Easy

https://www.liveworksheets.com/w/en/english-second-language-esl/2034590

https://www.liveworksheets.com/w/en/grammar/454095

Medium

https://www.liveworksheets.com/w/en/english-second-language-esl/7209767

https://www.liveworksheets.com/w/en/english-second-language-esl/393332

https://www.liveworksheets.com/w/en/esl-efl/68311

https://www.liveworksheets.com/w/en/english-second-language-esl/923494

Interrogative form:

https://www.liveworksheets.com/w/en/english-second-language-esl/871887

https://www.liveworksheets.com/node/6588236

Hard:

https://www.liveworksheets.com/w/en/english-second-language-esl/1708643

https://www.liveworksheets.com/w/en/english-second-language-esl/380327