Десять предложений в пассивном залоге ( скоро репетитор прийдет)

This house was built in 1954.
I was punished by my mother.
My birthday cake was made by my best friend.
The homewortlk was done by me yesterday.
The is been washing by my sister at the moment.
My room has already been cleaned by me for an hour.
This car was made in Germany.
The keys were left on the table by my brother.
The book hasn't been read yet.
My school bag isn't lost.