1. Positive
1.1. big
1.2. small
1.2.1. tall
1.3. crazy
1.4. short
1.5. good
2. Comparatives
2.1. Equal terms
2.1.1. As...as
2.2. Unequal terms
2.2.1. Inferiority
2.2.1.1. LESS +ADJECTIVE+THAN=menos...que
2.2.2. Superiority
2.2.2.1. Short adjective : Adjective + er + than=mas ...que
2.2.2.1.1. taller than , longer than , shorter than
2.2.2.1.2. the most interesting , the most boring ,the most beautiful
2.2.2.2. Long adjective : more +adjective +than = mas .... que
2.2.2.2.1. more difficult than , more intelligent than
2.2.2.3. Irregular form
2.2.2.3.1. better (good), worse (bad) ,further(far) , less(little) ,fewer, (few)
2.2.3. Superlative
2.2.3.1. short adjectives : The + adjective + est+( Noun) +( in /of) = es / la mas ...
2.2.3.1.1. the longest , the smallest ,the fastest
2.2.3.2. long adjectives : The Most +adjective + (noun) +( in / of) = el / la mas ...
2.2.3.2.1. The most difficult
2.2.3.3. Irregular form
2.2.3.3.1. the best (good) , the worst( bad) ,the farthest (far) ,the least (little) , the fewest (few)