Comparative Adjective - are used to compare the differences between 2 nouns.
Note: Superlative adjectives - are used to compare 3 or more nouns.
- The black dog is older, than the white dog.
- My house is bigger than my sister's house.
- The yellow hat is more expensive, than the green hat.
Rules for using comparative adjectives
"Than" is usually used after the comparative adjective. -er is added to the end of a 1-syllable adjective.
- cold - colder - The winter is colder than the summer.
- small - smaller - The green hat is smaller than the yellow hat.
- tall - taller - Most basketball players are taller than me.
Adjectives that have 2 syllables and end in - y, then change the -y to -i and add -er.
- early - earlier - I came home earlier than my sister.
- happy - happier - I am happier now than 1 year ago.
"more" or "less" is used for adjectives that have 2 syllables that do not end in -y.
- honest - more honest - Police officers are usually more honest than criminals.
- difficult - less difficult - The last test was less difficult than the test today.
- modern - more modern - Our generation is more modern than our parents generation.
"more" or "less" is used for adjectives that have 3 or more syllables.
- expensive - less expensive - My car is less expensive than my sister's car.
- comfortable - more comfortable - The sofa is more comfortable than the chair.
Adjectives that end in -e, only -r is added.
- nice - nicer - The beach is nicer than that park.
- safe - safer - Airplanes are safer than cars.
Adjective that end in with a consonant, vowel, consonant - the last consonant is doubled.
- big - bigger - My house is bigger than my sisters house.
- hot - hotter - The summer is hotter than the winter.