Transform into negative and interrogative forms. 1. peter has poor eyesight, so he always wears glasses. 2. she drinks coffee in the morning. 3. on sundays we go to see our friends. 4. they sometimes miss the 7 o"clock train and have to wait for the next one. 5. the sun rises in the east. 6. i hear somebody knocking at the door. 7. the book contains a lot of useful information. 8. her parents live in the country. 9. the last train leaves at midnight. 10. we understand you quite well. 11. magnet attracts iron. 12. charlie looks just like his father. 13. our classes usually begin at 9 o'clock. 14. generally he walks to his office because it is not far from his house. 15. the pupils know this poem by heart.