1. fat, fatter,the fattest

2. slow, slower, the slowest

3. weak, weaker, the weakest

4. big, bigger, the biggest

5. strong, stronger, the strongest

6. slim, slimmer, the slimmest

7. thin, thinner, the thinnest

8. green, greener, the greenest

9. bright, brighter, the brightest

10. long, longer, the longest