I. Change the following active sentences into passive forms.

1. They are building a new ring-road round the city.
    A new ring-road round the city is being built by them.
2. They have changed the date of the meeting.
    The date of the meeting has been changed by them.
3. Is Professor Rivers teaching that course this semester?
    Professor Rivers is teaching that course this semester.
    That course this semester is being teached by Professor Rivers.
    Is that course this semester being teached by Professor Rivers?
4. Waitresses and waiters serve customers.
    Customers are served by waitresses and waiters.
5. Hundreds of people visit the Washington Monument every day.
    The Washington Monument is visited by hundreds of people every day.
6. They don't pay Jim very much.
    They pay Jim very much.
    Jim is paid by them very much.
    Jim isn't paid by them very much.
7. These students are learning the passive.
    The passive is being learned by students.
8. Somebody has shot the president.
    The president has been shoted by somebody.

II. Change the following passive sentences into active forms.

1. That report is being prepared by Alex.
    Alex is preparing the report.
2. A new idea has been suggested by Shirley.
    Shirley has suggested a new idea.
3. Have you ever been bitten by a dog?
    You have ever bitten by a dog.
    A dog ever bitten you.
    Has a dog ever bitten you?
4. Our homework is corrected by our teacher.
    Our teacher correct our homework.
5. That proposal is being considered by the members right now.
    The members is considering that proposal right now.
6. Two buildings have been constructed by that company.
    That company has constructed two buildings.
7. The mail is opened by the secretary every morning.
    The secretary open the mail every morning.
8. The truck is being loaded by the men now.
    The men is loading the truck now.