Here is the table completed:
- Regular adjectives -> colder (the coldest)
- Ending with -e -> larger (the largest)
- Ending in consonant + -y -> happier (the happiest)
- Ending in consonant + vowel + consonant -> hotter (the hottest)
- Long adjectives -> more interesting (the most interesting)
- Irregular adjectives -> worse (the worst), better (the best).