1 .This is not my school.
2.This is not her little brother
3.It's not a tiger
4.Jane and Molly are not teachers
5.We are not from Canada.
6.We are not best friends
1.Is that Ben?
2.Are they at school?
3.Is the flower beautiful?
4.Our houses near the school?
5.Is she lazy?
6.This lake?