in history. * Rewrite the following sentences, beginning as shown, without changing their meaning 1. Perhaps Susan knows the address. => Susan may ... 2. It's possible that Joanna didn't receive my message. => Joanna might ..... 3. The report must be on my desk tomorrow. => The report has ... 4. I managed to finish all my work. => I was ... 5. It was not necessary for Nancy to clean the flat. => Nancy didn't .. 6. If I were you, I would spend more time talking with my children. (should) => You ...... 7. John doesn't get permission to use that computer. (mustn't) => John .... 8. It is necessary that people who work here leave by 6 p.m. (must) => People ....... 9. Customers are advised to check their luggage before leaving the airport. (ought to) => Customers... 10. Ms. Ly is in charge of cleaning the floor every day. (has to) => Ms. Ly..