Помогите ! Нужно составить 10 предложений в пассивной форме по английскому

6) Sick people were isolated from healthy ones

7) Vaccines weren't known until the fifteenth century

8) AIDS isn't spread by coughing

9) Bacteria are killed by antibiotics

10) Many diseases are spreaded by mice and rats

1) The movie was created in 19972) Viruses are passed on by sneezing 3) Saint-Petersburg was built in 17034) The word "hobby" was created by Laurence Sterne5) The first antibiotic, pinicillin, was discovered in 1929