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