a) One-syllable adjectives ending in two consonants, add -er.
b) One-syllable adjectives ending in two vowels and a consonant, add -er.
c) Most adjectives ending in a vowel and a consonant, double the consonant and add -er.
d) Most adjectives with more than one syllable use more.
e) Adjectives of one and two syllables ending in y usually change y to i and add -er.
f) Short adjectives ending in e, usually add -r.
Объяснение:
Примеры из Упр. 1, иллюстрирующие указанные правила:
a) light - lighter
b) cheap - cheaper
c) big - bigger
d) common - more common
e) noisy - noisier
f) safe - safer
