PRETTY / UGLY
The which is uglier.
QUIET / NOISY
The restaurant is noisier that the post office.
OLD / NEW
The pink telephone is older than the black one.
HARD / SOFT
The rock is harder.
SLOW / FAST
The turtle is slower than the horse.
TALL / SHORT
The giraff is taller than the cat.
STRONG / WEAK
THE ELEPHANT IS STRONGER.
HEAVY / LIGHT
The purple balloon is lighter than the red balloon.
CLEAN / DIRTY
The plate is cleaner that the cup.
LONG / SHORT
The red hair is longer that the pink hair.
THICK / THIN
The blue sweater is thinner.
OLD / YOUNG
The grandfather is older that the baby.