Exercise 1. Passive voice - Simple present 1. People grow coffee in the South of Việt Nam. 2. We paint the house every year. 3. We clean the school yard every week . 4. We export coffee to twenty different countries. 5. People don't use this road very often. 6. Someone delivers the newspapers once a day. 7. They don't make cars here. 10. Do they feed the monkeys at the zoo twice a day? Exercise 2. Passive voice - Simple past. 1. He wrote his first novel when he was 15. 2. Hemingway didn't write "Hamlet" 3. Did they buy their car last year? 4. Someone built that house in 1930. 5. That man stole her car. 6. They posted all letters yesterday. 7. We invited fifty people to the party. 8. Last night someone broke into our house. Exercise 3. Passive voice - Simple future - Be going to - Modal Verbs 1. They will finish the work next week. 2. John will do that work this evening. 3. I can't learn English very well. 4. They can finish this English course in a month. 5. Must you paint your house again? 6. She is going to repair her house. 7. They are going to build a new hospital in our town. 8. Are they going to carry out family planning programmes? Exercise 4. Passive voice - Present Progressive, Past progressive. 1. They are repairing my piano at the moment. 2. Peter is filling in the application form. 3. We are destroying the environment. 4. People are cutting down trees and forests. 5. Her mother isn't cleaning the house at present. 6. They were playing tennis at that time.