For onesyllableadjectives, add er to comparatives and est to superlatives
Adjectives that followtheconsonant, plus singlevowel, plus consonant pattern must double the finalconsonant
Most two-syllablecomparatives will add more or less and the superlatives will add most or least
If a two-syllableadjectiveends in y, remove the y, change it to i, and adder in the comparative form and est in the superlative form
Two-syllable adjectives ending with or or ow are treated like regularcomparatives and superlatives, add er to the comparatives and est to the superlatives
Adverbs ending in ly receive more or less in the comparative form and most or least in the superlative form
Some adjectives can be correct in eithercomparative or superlative form
There are some irregular adjectives that don'tfollowanyrule and need to be memorised
Further and furthest is more common in British English and farther and farthest is more common in American English