Er\More
FAST
Faster
The cheetah runs fast than the dog.
The cheetah runs faster than the dog.
Smart~~~ Dolphin / Clownfish
A dolphin is smarter than a clown fish.
Loud
Louder
FAT
Fatter
The city is noisier the countryside.
The city is noisier than the countryside.
Dirty~~~ Danica and Luiz
Danica is dirtier than Luis.
Or
Luis is dirtier than Danica.
Hungry
Hungrier
EXPENSIVE
More expensive
She is intelligenter than her brother.
She is more intelligent than her brother.
Attractive ~~~ Clownfish / Shark
A clownfish is more attractive than a shark.
Or
A shark is more attractive than a clownfish.
Honest
More honest
DIFFICULT
MORE DIFFICULT
You need to work more harder if you want to succeed.
You need to work harder if you want to succeed.
Careful~~boys/girls
Boys are more careful than girls.
Or
Girls more careful than boys.
Big
Bigger
GOOD
BETTER
He works gooder in English than in Math.
He works better in English than in Math.
Bad~~~ Dave/ Anne
Dave is worse than Anne.
Or
Anne is worse than Dave.
Bad
Worse