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