Work with a partner. Turn these passive voice sentences into active voice sentences. 1. The Mona Lisa was painted by Leonardo da Vinci. 2. Two cups of coffee were drunk (by us). 3. A cake has been made (by me). 4. The book was given to me (by him). 5. The church had been built in 1915 (by local people). 6. The chemical is placed in a test tube and the data is entered into the computer (by the chemistry teacher).