Form the comparative and superlative forms of a one-syllable adjective by adding –er for the comparative form and –est forthe superlative.
One-Syllable Adjective | Comparative Form | Superlative Form |
tall | taller | tallest |
old | older | oldest |
long | longer | longest |
* Mary is tallerthan Max.
*Mary is the tallestof all the students.
* Max is olderthan John.
* Of the three students, Max is the oldest.
* My hair is longerthan your hair.
* Max's story is the longeststory I'veever heard.
If the one-syllable adjective ends with an e, just add –r for the comparative form and –st for the superlative form.
One-Syllable Adjective with Final -e | Comparative Form | SuperlativeForm |
large | larger | largest |
wise | wiser | wisest |
* Mary's car is largerthan Max's car.
* Mary's house is the tallestof all the houses on the block.
* Max is wiserthan hisbrother.
* Max is the wisestperson I know.
If the one-syllable adjective ends with a single consonant with a vowel before it, double the consonant and add –er for the comparative form; and double theconsonant and add –est for the superlative form.
One-Syllable Adjective Ending with a Single Consonant with a Single Vowel before It | Comparative Form | Superlative Form |
big | bigger | biggest|
thin | thinner | thinnest |
fat | fatter | fattest |
* My dog is biggerthan your dog.
* My dog is the biggestof all the dogs in the neighborhood.
* Max is thinnerthan John.
* Ofall the students in the class, Max is the thinnest.
* My mother is fatterthan your mother.
* Mary is the fattestperson I've ever seen.
With most two-syllableadjectives, you form the comparative with more and the superlative with most.
Two-Syllable Adjective | Comparative Form | Superlative Form |
peaceful | more peaceful | most peaceful |
pleasant | more...