1. Milk is used for making butter and cheese.
2. Bottles of milk are brought to the house by the milk man.
3. Many accidents are caused by careless driving.
4. The rives banks are covered by the weeds.
5. English is spoken all over the world.
6. The house isn't used very often.
7. Are French spoken in this school?
8. A lot of beautiful toys is made from recycle plastic.
9. The streets are cleaned by the workers every day.
10. Are the concerts usually held at the university?
`text{→}` Công thức câu bị động :
`text{+}` HTD : S + be+ VPII + ( by O )
`text{+}` TLD : S+ will be + VpII + by O
`text{+}` HTHT : S + have/has been + VPII + by O
`text{+}` QKD : S + was/were + VPII + by O
`text{+}` HTTD : S + be + being + VPII + by O
