Explanation:
Rule: To change a sentence from active to passive voice, the object of the active sentence becomes the subject of the passive sentence. The verb changes to 'be' + past participle. The subject of the active sentence can be added with 'by'.
- Active: Adele released the album "25" some years ago.
Passive: The album "25" was released by Adele some years ago. - Active: Adele writes many songs herself.
Passive: Many songs are written by Adele herself. - Active: People all round the world know this singer.
Passive: This singer is known by people all round the world. - Active: Adele inspires the teens with her music.
Passive: The teens are inspired by Adele with her music.