Comparative and Superlative degree of Adjectives and Adverbs

A - Comparison with -er/-est

clean - cleaner - (the) cleanest

We use -er/-est with the following adjectives:

1) adjectives with one syllable

clean	cleaner	cleanest
new	newer	newest
cheap	cheaper	cheapest

2) adjectives with two syllables and the following endings:

2 - 1) adjectives with two syllables, ending in -y

dirty	dirtier	dirtiest
easy	easier	easiest
happy	happier	happiest
pretty	prettier	prettiest

2 - 2) adjectives with two syllables, ending in -er

clever

cleverer

cleverest

2 - 3) adjectives with two syllables, ending in -le

simple

simpler

simplest

2 - 4) adjectives with two syllables, ending in -ow

narrow

narrower

narrowest

 

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Spelling of the adjectives using the endings -er/-est

large	larger	largest	leave out the silent -e
big	bigger	biggest	Double the consonant after short vowel
sad	sadder	saddest
dirty	dirtier	dirtiest	Change -y to -i (consonant before -y)
shy	shyer	shyest	Here -y is not changed to -i. (although consonant before -y)

 

 

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B - Comparison with more - most

difficult - more difficult - (the) most difficult

All adjectives with more than one syllable (except some adjectives with two syllables - see  2 - 1 to 2 - 4)

 

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C - Irregular adjectives

good	better	best
bad	worse	worst
much	more	most	uncountable nouns
many	more	most	countable nouns
little	less	least
little	smaller	smallest

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D - Special adjectives

Some ajdectives have two possible forms of comparison.

 

common	commoner / more common	commonest / most common
likely	likelier / more likely	likeliest / most likely
pleasant	pleasanter / more pleasant	pleasantest / most pleasant
polite	politer / more polite	politest / most polite
simple	simpler / more simple	simplest / most simple
stupid	stupider / more stupid	stupidest / most stupid
subtle	subtler / more subtle	subtlest
sure