Elementary Level >> Grammar Structure >> All the general rules for formation of comparatives and superlatives laid out on one page.
Comparative Adjectives
Elementary
Use comparative to compare two things/people/ places, etc.
1. Short Adjectives
One syllable - e.g. clean, big, fat, tall
ADD -ER TO THE END OF THE ADJECTIVE
Canada is bigger than Italy.
Egypt is cheaper than Japan.
2. Long Adjectives
Two syllables or more - interesting, intelligent, beautiful
ADD MORE/LESS BEFORE THE ADJECTIVE
San Francisco is more beautiful than Chicago.
Einstein was more intelligent than Pinocchio.
3. Adjectives that finish with 'Y'
Last letter 'y' - happy, dirty, noisy, ugly
CHANGE THE 'Y' TO AN 'I' AND ADD -ER
Cyrano de Bergerac was uglier than Romeo
New York streets are dirtier than those in London
4. Irregular Adjectives.
GOOD BAD FAR
Ronaldinho is better than Fabio Pucceddu. (good)
My driving is worse than a drunk, blind man. (bad)
Superlative Adjectives
Use comparative to compare more than two things/people/ places, etc.
5. Short Adjectives
One syllable - e.g. clean, big, fat, tall
ADD -EST TO THE END OF THE ADJECTIVE
Russia is the biggest country in the world.
Greece is the cheapest country in Europe.
6. Long Adjectives
Two syllables or more - interesting, intelligent, beautiful
ADD THE MOST/ THE LEAST BEFORE THE ADJECTIVE
Rome is the most interesting city in Italy.
Einstein was the most intelligent man in the 20th Century.
7. Adjectives that finish with 'Y'
Last letter 'y' - happy, dirty, noisy, ugly
CHANGE THE 'Y' TO AN 'I' AND ADD -EST
Napoli is the noisiest city in Italy.
Chicago streets are the dirtiest in North America.
8. Irregular Adjectives.
GOOD BAD FAR
Gorgonzola is the best pizza you can buy. (good)
Fabio Cervellino is the worst student in the class. (bad)