Нужно перед глаголом поставить am, Is, are + окончание ed или 3 форма по таблице неправильных глаголов.
1 Our room is cleaned by us every day.
2 Breakfast is usually cooked by my mum.
3 Milk is always given to our cat by my granny.
4 Newspapers are brought by the postman on Monday.
5 Our dog is kept in the house.
6 My homework is done every day.