The sun attracts the planets
The planets are attracted by the sun
Pushkin wrote "Poltava" in 1828
"Poltava" was written by Pushkin in 1828.
Popov invented the radio in 1895
The radio was invented by Popov in 1895
You can buy this book in any bookshop
This book can be bought in any bookshop
They showed us a new film
A new film was shown (to) us.