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when the person who does the action is unknown... My laptop was stolen. (We don’t know who did it.) when the person who does the action is unimportant... These tables are made in Bali. (Tables are important, not the person) when the person who does the action is obvious from the context... My house was painted two weeks ago.(We know a painter paints a house so there is no need to say that.) when the action is more important than the agent (doer) such as in news reports, formal notices, instructions, processes, headlines, advertisements... The new school will be opened next week. (News report) Present Simple ACTIVE They They give Oscars every year. give Oscars are given Present every year. PASSIVE Continuous They are broadcasting the Oscar ACTIVE ceremony now. are the Oscar They now. broadcasting ceremony is being broadcast PASSIVE The Americans eat over thirty million hamburgers each year. Over thirty million hamburgers are eaten by the Americans each year. People hunt polar bears for their fur. Polar bears are hunted for their fur. A professor is giving a lecture in the main hall at the moment. A lecture is being given in the main hall at the moment. The Indian Ocean surrounds this tropical island. This tropical island is surrounded by the Indian Ocean. Is the secretary writing the e-mails at the moment? Are the e-mails being written by the secretary at the moment? How many languages do people speak all around the world? How many languages are spoken all around the world? ACTIVE Archeologists found human bones. past simple PASSIVE Human bones were found to be V3 by Archeologists. Past Simple ACTIVE They They held the 1st ceremony in 1929. the 1st held in 1929. ceremony PASSIVE was held Past Continuous ACTIVE Workers Workers were redecorating the hall in this month last year. were redecorating was being redecorated the hall in this month last year. PASSIVE Did you hear about the accident? No.What happened? A cyclist (1) A taxi was hithit a cyclist in frontinoffront the dorm of theby dorm. a taxi. Mike Jane Oh, really? I didn’t know that. What happened to the cyclist? (2) Someone An ambulance called an was ambulance. called. He(3) was They taken tooktohim CitytoHospital. City Hospital. (4)Was Did the theytaxi arrest driver thearrested? taxi-driver? Yes. Yes.He’s He’slucky luckythat that(5) thehecyclist didn’twasn’t kill thekilled. cyclist. Yeah. We have come to your house. Is that your guitar near the garbage bin? Yes. It was broken by the painters accidentally while the room was being Yes. (6)The painters broke it accidentally painted.while they were painting the room. Present Perfect ACTIVE They They have given the Oscars since 1929. have given the Oscars since 1929. have been given PASSIVE Why haven’t Why haven’t the theybeen mademade the beds beds yet? yet? His Doctors wounds haven’t haven’t been treated treatedbyhis the wounds doctors yet. The The tap has plumber been fixed by has fixed the theplumber. tap. Future Simple ACTIVE They They will hold the 83rd Oscar ceremony in February, 2011. will hold the 83rd Oscar in February, ceremony 2011. will be held Going to ACTIVE They PASSIVE They are going to choose the candidates next week. are going to choose are going to be chosen the candidates next week. PASSIVE The cat will be Max will look looked after the cat. after by Max. A new They arehall concert going to build going to ais new concert hall next year. be built next year. The book will be She will translate the translated into book into Spanish. Spanish. The meeting They are going to is going to be hold the meeting held on on Friday. Friday. Modals - should ACTIVE You should drink a lot of water if you want to lose weight. should drink you a lot of water should be drunk Modals - must ACTIVE The academy If you want to lose weight. PASSIVE The Academy must announce the candidates before January. must announce must be announced the candidates before PASSIVE January. by the academy The dishes should be washed. 1. Someone should wash the dishes. 2. Someone must water the plants every The plants must be watered every week. 3. 4. 5. 6. 7. week. I canreach be reached at 555-8967. 555-8967. People can me at If the grassdoesn’t isn’t mown, thethe flowers could If someone mow grass, it be could destroyed. destroy the flowers. has to be fixed. SomeoneThe hasdoorbell to fix the doorbell. Our collect mail. Theneighbour mail can’t becan’t collected by ourthe neighbour. Someone may call George in case of an George may be called in case of an emergency. emergency. TENSE ACTIVE PASSIVE PRESENT SIMPLE They restore buildings. Buildings are restored. PRESENT CONTINUOUS They are restoring the building. The building is being restored. PAST SIMPLE They restored the building. The building was restored. PAST CONTINUOUS They were restoring the building. The building was being restored. FUTURE SIMPLE They will restore the building. The building will be restored. PRESENT PREFECT They have restored the building. The building has been restored. MODALS (should/must/have to/can/could/might) They should restore the building. The building should be restored.