1. Joe doesn't use pencils with erasers on top
2. Henderson doesn't read many science books
3. Jenifer isn't busy with her homework
4. We don't go to the classroom in sequence
5. I don't come straight home after school
6. The playground of the school isn't full of people
7. Albert isn't her classroom in junior high school
8. They don't do experiments in the greenhouse
9. The teacher doesn't give paper to all the children
10. Physics and English aren't your favourite subjects