Page 145 - Practical English Usage 3ed - Michael Swan, Oxford

comparison (3): comparative and superlative adjectives 137
Note that as is usually pronounced IfILl (see 616).
For as long as, see 75. For as well as, see 78.
For the word order in sentences like She's as good a dancer as her brolher, see 14. For as replacing subject or object (e.g. as many people as want it), see 581.
For other comparative structures, see 137-141.
137 comparison (3):
comparative and superlative adjectives
One-syllable adjectives normally have comparatives and superlatives ending in -er, -est. Some two-syllable adjectives are similar; others have more and most. Longer adjectives have more and most.
1 one-syllable adjectives (regular comparison)
Adjective Comparative
Superlative
old tall cheap
late nice
fat big thin
older taller cheaper
later nicer
fatter bigger thinner
oldest tallest
cheapest
latest nicest
fattest biggest
thinnest
)
Most adjectives:
Note the pronunciation of:
younger /,jAl]9a(r)! youngest /,jAl]9IStl longer/,lol]ga(r) I longest /,lol]9IStl
stronger /,strOl]9a(r)! strongest /,StrOl]9IStl
2 irregular comparison
Adjective Comparative Superlative
good bad i l l
far old
better best worse worst worse
farther/further farthest/furthest
(see 201)
older!elder oldest/eldest
(see 176)
+ -er, -est.
} Adjectives ending in -e:
+ -r, -st.
One vowel + one consonant:
double consonant.
)
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