Exception # 3
If it is an adjective of 2 or more syllables, add the word "more" before the adjective, instead of the suffix "er" at the end of the adjective.
My cat is ________________ (beautiful) than her cat.
more beautifuler
more beautiful
most beautiful
beautifuler
Peter is ______________ (tall) than Mary.
taller
more tall
taler
very tall
Exception # 2
If the adjective ends in a consonant + "Y", change the "Y" to "I", and add "er".
You can be _______________ (lucky) with a four leaf clover.
luckyier
luckier
very luckier
more lucky
My dog is _____________ (small) than yours.
small
very small
more smaller
smaller
This book is ______________ (big) than another one.
more big
bigger
very bigger
biger
Exception # 1
If an adjective is composed by "consonant-vowel-consonant", double the last consonant, and add "er".
The yellow bag is ___________ (expensive) than the brown bag.
more expensiver
very expensiver
expensiver
more expensive
Anna is ___________ (thin) than Karen.
very thiner
more thinner
thinner
thiner