Exercise 6. make the sentences negative. 1. ann is a schoolgirl. 2. she is seven. 3. it was a very old book. 4. my grandparents are not very old. 5. they will come to see us next week. 6. they are students. 7. they were busy when i came. 8. i am from russia. 9. they will be in their second year next september. 10. you are very tall.