Chuyển các câu sau sang câu bị động

Chuyển các câu sau sang câu bị động:
1. They speak to you
2. Buses pass my house every hour.
3. They help their father.
4. We change planes at Heathrow.
5. You watch TV too much.
6. I always carry an umbrella.
7. They wash the floor every week.
8. These hens lay brown eggs.
9. Do you like boiled eggs?
10. They usually catch the 8:10 bus.
11. They sometimes miss the bus.
12. I mix the ingredients together.