big
bigger-the biggest
The kangaroo is...(short).
The kangaroo is the shortest.
Snakes are...(long) than mice.
Snakes are LONGER than mice.
dirty
dirtier-the dirtiest
nice
nicer-the nicest
Hippos are...(heavy) than frogs.
Hippos are HEAVIER than frogs.
The giraffe is...(tall).
The giraffe is the tallest.
The bear is...than the giraffe.
The bear is SHORTER than the giraffe.
bad
worse-the worst
young
younger-the youngest
good
better-the best
funny
funnier-the funniest
The elephant is...than the bear.
The elephant is TALLER than the bear.
strong
stronger-the strongest