4) 1.This flower is small. That flower is smaller. This flower is the smallest.
2. This clown is funny.
That clown is funnier. This clown is the funniest.
3. This house is big. That house is bigger. This house is the biggest.
4. This tree is tall. That tree is taller. This tree is the tallest.
5) 1. tastier
2. the longest
3. nice
4. hotter
6) Я не поняла