was washing

were being washed

was washed

were washing

knew

was knowing

am known

have known

releases

released

has released

was released

were lived

have lived

has lived

were being lived

steals

were being stolen

has stolen

has been stolen

The mistake have been made by them.

The mistake have been made by them.

The mistake could not have being made by them.

The mistake could not have been made by them.

Change to passive. Tokyo will hold the Olympics in 2020.

The Olympics will be held in Tokyo in 2020.

The Olympics will be hold in Tokyo in 2020.

The Olympics are being held in Tokyo in 2020.

An active sentence with two objects will often have two passive forms

An active sentence with two objects can’t have two passive forms.

That passive is found in all the main tenses.

The passive can’t be found in all main tenses.