Ответ:

Long, longer, the longest

Interesting, more interesting, the most interesting

Fat, fatter, the fattest

Good, better, the best

Difficult, more difficult, the most difficult

Bad, worse, the worst

Happy, happier, the happiest

Dirty, dirtier, the dirtiest

Tall, taller, the tallest

Easy, easier, the easiest

Boring, more boring, the most boring

2. 1. Tom is older than his brother.

2. This is the most interesting book i've ever read.

3. My mum is younger than my dad.

4. His car is more expensive than mine.

5. Summer is the hottest season.

6. Jim plays tennis better than Ben.

7. Maths is more difficult than English.

8. Giraffes are the tallest land animals