1. you don't write to them every day2. he doesn't live in this house3. i don't keep it in my pocket4. i don't work on the tenth floor5. john doesn't speak english well6. mary doesn't speak better than john7. peter doesn't come to class ten minutes late8. we don't use many books during our lesson 9. she doesn't give me the book10. i don't understand anything1. do you write to them every day?2. does he live in this house?3. do i keep it in my pocket?4. do i work on the tenth floor?5. does john speak english well?6. does mary speak better than john?7. does peter come to class ten minutes late?8. do we use many books during our lesson?9. does she give me the book?10. do i understand anything?