~er than....
tall
taller
small
this dog is _____ (big) than this dog.
this dog is bigger than this dog.
good
better/best
young
younger
cute
cutest
Students are ______ (young) than Sergio
Students are younger than Sergio.
bad
worse/worst
ugly
uglier than
short
shortest
Ferrari is _____ (Fast) than a small car.
Ferrari is Faster than a small car.
Much
More/Most
old
older
tall
tallest
Tokyo tower is _____ (Tall) than Takashimaya.
Tokyo tower is taller than Takashimaya
little
Less/Least
fast
faster
pretty
prettiest
Mt. Everest is ______ (high) in the world.
Mt Everest is the highest in the world.
far
further