Помогите passive vouse

I had fixed my bike by the evening

Dont woorry, somebody wiil find the lost dog

Andyoffered me a sandwich

His parents will encourage him to look for a job

Have you switched off the TV set?

I had fixed my bike by the evening - My bike had been fixed by me by the evening.

Don't worry, somebody will find the lost dog. - don't worry, the lost dog will be found by somebody.

Andy offered me a sandwich. - A sandwich was offered me by Andy.

His parents will encourage him to look for a job. - He was encouraged to look for a job by his parents.

Have you switched off the TV set? - Have the TV set been switched off?