2.
1. Oscar is very fast dog
2. It is cold today. I put on my warm jacket
3. The librarian asked us to be quiet
4. My father's job is very dangerous. He is a pilot
5. Grandpa bought a new TV because his old TV one broke down
6. My neighbors had a noisy party last night
7. The lesson was very boring. We were doing math tasks the entire lesson
8. Humborgers and fries are unhealthy food
9. The house was dirty, I had to clean it
3.
Positive - fast, quiet, good, healthy, modern, clean, friendly, safe.
Negative - dangerous, bad, noisy, dirty, unhealthy, unfriendly.
Neutral - hot, cheap, slow, expensive, boring, interesting, old, big, cold, small.