. The teacher is going to tell a story
->A story is going to be told by the teacher
2. They will hold the meeting before May Day
->The meeting will be hold before May Day
3.They may use this room for the classroom
->This room may be used for the classroom
4. Someone has taken some of my books away.
->Some of my books have been taken away
5. No one believes his story
->His story isn't believed
6. People speak English in almost every corner of the world
->English is spoken in almost every corner of the world
7. You mustn't use this machine after 5:30 p.m
->This machine mustn't be used after 5:30p.m
8. They told the new people where to sit
->The new people was told where to sit
9. Lukily for me, they didn't call my name
->Luckily for me,my name wasn't called
10. Do they teach English here?
->Was English taught here?