Adding -er/est
We make the comparative or superlative forms of short adjectives by adding -er or -est.
Spelling Rule
Just add -er or -est to the end of the adjective, for example:
- quick > quicker > quickest
- great > greater > greatest
- full > fuller > fullest
Exceptions
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If the adjective ends in:
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do this:
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and add:
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For example:
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consonant + -y
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change the -y to an -i
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-er
-est
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happy > happier > happiest
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consonant + -e
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remove the -e
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late > later > latest
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consonant + vowel + consonant
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double the last letter
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hot > hotter > hottest
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Note: adjectives ending in -l are regular, except:
cruel > crueller > cruellest
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