I. Change the following sentences to passive voice.
1. Her sister is preparing the breakfast in the kitchen,
2. We should clean our teeth at least once a day.
3. The shop assistant handed the packages to the customer.
4. The director award the first prize to the best competitor.
5. The organizer says that the performance will start at 7 p.m.
6. He recommended that we shouldn't stay in the suburb.
7. I had a technician repair my mobile phone.
8. They often get the technician to maintain the water heater.
9. How long have you waited for the dentist?
10. People saw her plant the tree.
II. Find ONE mistake in each of the following sentences and correct it.
1. I came back home after my sister had finish her dinner.
2. Frank said that he has met Sir. Alex Ferguson before.
3. Before Christine goes to bed, she had drunk a glass of wine.
4. She told her husband she hadn't wore such a kind of dress before.
5 When I arrived at the stadium, the football match had starting.
III. Use the given words to write the complete sentences.
1. What/ I / do/ make you sad/ so much?
2. I/ already/ quit/job/ when/ she/join/company.
3. He/ not be able to eat/ dinner/ before/ his wife/ come home.
4. Anna/ work/ accountant/ four years before she/ promote.
5. My sister/ finish lunch/ by the time/ 1/ walk/ kitchen.
