помогите прошу ,надо конвертировать предложения в past simple passive

1)Coffee was мейд by people in Brazil

2)This piano was мейд in the 18th centry

3)A Christmas postcard was sent to me

4)A lot of vegetables was bought and put in the fridge

5)The book was wrote in 1974

6)A new hospital in our city was built by them last month

7)This book was translated into many languages

8)Reading was taught in the first year by them