light - ...
lighter
tall - ...
taller
My sister's hair is longer than my hair. My sister's hair is longer than...
mine.
Their car is bigger than our car. Their car is bigger than...
ours.
short - ...
shorter
straight - ...
straighter
bright - ...
brighter
Our class is bigger than their class. Our class is bigger than...
theirs.
My brother's hair is curlier than your hair. My brother's hair is curlier than...
yours.
fast - ...
faster
wavy - ...
wavier
My sister is older than your sister. My sister is older than...
yours.
big - ...
bigger
my - ...
mine
Annette's hair is shorter than my hair. Annette's hair is shorter than...
mine.
red - ...
redder
My hair is straighter than his hair. My hair is straighter than...
his.
clever - ...
cleverer
fat - ...
fatter
your - ...
yours
slow - ...
slower
small - ...
smaller
His book is heavier than her book. His book is heavier than...
hers.
nice - ...
nicer