I clean my room every Sunday (active)
My room is cleaned every Sunday.
We made a journey last month (active)
A journey was made by us last month.
He will write a letter tomorrow (active)
A letter will be written by him tomorrow.
You are doing your homework at the moment (active)
Your homework is being done by you at the moment.
They watched a football match at 3 o’clock yesterday (active)
A football match was watched by them at 3 o’clock yesterday.
I have just read the book (active)
The book has just been read by me.
By 4 o’clock yesterday I had presented a project (active)
By 4 o’clock yesterday a project had been presented by me.