This document summarizes the rules for forming comparatives in English from adjectives. It explains that one-syllable adjectives typically add -er, two-syllable adjectives ending in certain letters add -er while others use 'more', and adjectives with three or more syllables always use 'more'. It also covers irregular comparatives like good/better and spelling rules like doubling final consonants. Examples are provided to illustrate the comparative forms and their use with 'than' in comparisons.

1. COMPARATIVES

2. 1 SYLLABLE ADJECTIVES ADD - er Comparative Soft Softer than Cheap Cheaper than Sweet Sweeter than Thin Thinner than

3. SPELLING RULES One syllable adjective that end in CVC (consonant-vowel-consonant), the last consonant is doubled: thin -> thinner, big -> bigger. If an adjective ends in –e…: wide -> wider. If an adjective ends in consonat + y…: dry  drier.

4. TWO SYLLABLE ADJECTIVES two syllable adjectives which end in –y, -ow, -le, -er add –er/er. Comparative healthy Healthier than easy Easier than narrow narrower than simple simpler than

5. TWO SYLLABLE ADJECTIVES Other two syllable adjectives always form the comparative with more: Comparative Worried More worried than Famous More famous than Boring More boring than

6. THREE SYLLABLE ADJECTIVES Adjectives with three or more syllables always form the comparative and with MORE …. THAN : Comparative Dangerous More dangerous than Difficult More difficult than

7. IRREGULAR ADJECTIVES Comparative good better than bad worse than far farther/further than

8. USE OF COMPARATIVES Comparatives are followed by than: Totana is bigger than Alhama. Alhama is smaller than Murcia. A shark is more dangerous than a cat.