Поставьте следующие предложения в вопросительную и отрицательную форму. 1. she must study very hard. 2. you must help her. 3. we must learn many new words. 4. they must read more. 5. we must come to the office in time. 6. you must do it quickly. 7. you can take this book. 8 you may enter the room. 9. she can ask questions. 10. they may continue reading. 11. i can give you some money. 12. he may leave the room. 13. ann can buy this book, if she likes. 14. they may go now. 15. you may open the window. 16 you must work hard, 17. you may come to see me. 18. you must speak english at the lessons. 19. you may read this book. 20. you can have a rest. 21. we can speak english now. 22. we can see them out of the window. 23. they can come soon. 24. john can sing very well. 25. he can drive well. 26. you can have coffee or tea.

1)Must she study very hard?
She mustn't study very hard.
2.Must you help her?
You mustn't help her.
3.We mustn't learn many new words.
Must we learn many new words?
4.. They mustn't read more. Must they read more? 5. Must we come to the office in time?
We mustn't come to the office in time 6. You mustn't do it quickly. Must you do it quickly? 7. Can you take this book? You can't take this book. 8 May you enter the room? You may not enter the room 9. Can she ask questions? She can't ask questions. 10. May they continue reading? The may not continue reading 11. I can't give you some money. Can I give you some money? 12. He may not leave the room. May he leave the room? 13. Ann can't buy this book, if she likes. Can Ann buy this book, if she likes? 14. They may not go now. May they go now? 15. You may not open the window. May you open the window? 16 You mustn't work hard. Must you work hard? 17. You may not come to see me. May you come to see me? 18. You must speak English at the lessons. Must you speak English at the lessons? 19. You may not read this book. May you read this book?
20. You can't have a rest. Can you have a rest? 21. We can't speak English now. Can we speak English now? 22. We can't see them out of the window. Can we see them out of the window?23. They can't come soon. Can they come soon? 24. John can't sing very well. Can John sing very well? 25. He can't drive well. Can he drive well? 26. You can't have coffee or tea. Can you have coffee or tea?

Life in the city is not easy but very interesting. There are a lot of shops where you can buy everything you want. Transport can help you to travel around your city. You can visit different interesting places, museums, theatres and etc. There are a lot of schools in big cities and you can choose in which school you realy want to study. But there are many disadvantages of living in the city. There are a lot of factories and a lot of environmental problems. Crowded strets and traffic jams are not an advantage on big cities. But it depends on people where they will like to live: in the country or in the city. 

Life in the city is not easy but very interesting. There are a lot of shops where you can buy everything you want. Transport can help you to travel around your city. You can visit different interesting places, museums, theatres and etc. There are a lot of schools in big cities and you can choose in which school you realy want to study. But there are many disadvantages of living in the city. There are a lot of factories and a lot of environmental problems. Crowded strets and traffic jams are not an advantage on big cities. But it depends on people where they will like to live: in the country or in the city.