Составить три предложения на языке а потом поставить их в passive voice

 I write a letter.
The letter is wtitten.

I play games.
Games are played.

I ride my bicycle.
My bicycle is riden by me.

He wrote a letter. Active voice
A later was written-passive voice

I am eating cakes-active voice
Cakes are being eaten-passive voice

She cleans the room every day-active voice
The room is cleaned every day-passive voice.