I cook spaghetti.
Spaghetti is cooked by me.
We grow vegetables in the garden.
Vegetables are grown in the garden (by us).
Many people study English.
English is studied by many people.
Many people read books about Harry Potter.
Books about Harry Potter are read by many people.
I write letters.
Letters are written by me.
We don't make books of plastic.
Books aren't made of plastic.
Birds don't drink tea.
Tea isn't drunk by birds.
My sister never cooks soup.
Soup is never cooked by my sister.
I take photos of flowers.
Photos of flowers are taken by me.
My brother paints pictures.
Pictures are painted by my brother.
