Active or passive? choose the correct verb form. 1. the book (wrote/was written) by hardy. 2. four people (have killed/have been killed) in a train crash. 3. a famous architect (was built/built) the bridge. 4. the house (bought/was bought) by a pop-star. 5. local police (have been arrested/have arrested). 6. i (arrived/was arrived) last friday. 7. the room (will clean/will be cleaned) leter. 8. `did you go to the party?` `no, i (didn`t invite/wasn`t invited)` 9. it`s a big company. it (is employed/employs) two hundred people. 10. tom (has lost/has been lost) his key. 11. many accidents (caused/are caused) by dangerous driving. 12. a cinema is a place where films (show/are shown). 13. people (aren`t used/don`t use) this road very often. 14. this house (built/was built) in 1930. 15. this situation is serious. something must (do/be done) before if`s to late. 16. my car(has disappeared/has been disappeared). 17. have you heard the news? the president (has shot/has been shot). 18. a new supermarket (will be built/will built) here next year. 19. (in a shop) `can i help you, madam?` `no, thank you. i (am serving/am being served)` 20. when i came to the party, john (had already been gone/had already gone) home.

Below are the correct verb forms for each sentence, categorized by whether they require the active or passive voice.

1. The book was written by Hardy.
   • Passive: The subject (the book) receives the action.
2. Four people have been killed in a train crash.
   • Passive: The people were the victims of the crash, not the cause of it.
3. A famous architect built the bridge.
   • Active: The architect performed the action of building.
4. The house was bought by a pop-star.
   • Passive: The house is the object receiving the action.
5. Local police have arrested [someone].
   • Active: The police performed the action. (Note: This sentence usually requires an object like "the suspect").
6. I arrived last Friday.
   • Active: "Arrive" is an intransitive verb and cannot be passive.
7. The room will be cleaned later.
   • Passive: The room will receive the cleaning action.
8. "Did you go to the party?" "No, I wasn't invited."
   • Passive: Someone else did not invite the speaker.
9. It's a big company. It employs two hundred people.
   • Active: The company (it) performs the action of providing jobs.
10. Tom has lost his key.
    • Active: Tom performed the action of losing the key.
11. Many accidents are caused by dangerous driving.
    • Passive: Accidents are the result (effect) of driving.
12. A cinema is a place where films are shown.
    • Passive: Films do not show themselves; they are presented by the cinema.
13. People don't use this road very often.
    • Active: The people perform the action of using the road.
14. This house was built in 1930.
    • Passive: The house was the result of construction.
15. This situation is serious. Something must be done before it's too late.
    • Passive: Action must be taken upon the situation.
16. My car has disappeared.
    • Active: "Disappear" is an intransitive verb and does not have a passive form.
17. Have you heard the news? The president has been shot.
    • Passive: The president received the action of the shooting.
18. A new supermarket will be built here next year.
    • Passive: The supermarket will be constructed by someone else.
19. "Can I help you, madam?" "No, thank you. I am being served."
    • Passive: Another shop assistant is currently helping the customer.
20. When I came to the party, John had already gone home.
    • Active: John performed the action of leaving before the speaker arrived.

Determine if the subject is performing the action or receiving it to choose between active and passive forms in future exercises.