Night is /dark/ than day.
darker
Dogs are /cute/ than cats.
cuter
Running is /tiring/ than swimming.
more tiring
Roses are /beautiful/ than tulips.
more beautiful
Africa is /big/ than Europe.
bigger
Hamburgers are /tasty/ than pizza.
tastier
Cars are /expensive/ than bikes.
more expensive
Juice is /sweet/ than coffee.
sweeter
McDonalds is /good/ than KFC.
better
Cows are /slow/ than horses.
slower
Warsaw is /cold/ than Rome.
colder
Mary is /tall/ than John.
taller
Gary is /funny/ than Daniel.
funnier
Motorcycles are /fast/ than horses.
faster
French is /difficult/ than English.
more difficult
Films are /interesting/ than books.
more interesting
The bag is /cheap/ than the T-shirt.
cheaper
Ariana Grande is /cool/ than Lady Gaga.
cooler
Mice are /small/ than cats.
smaller
Los Angeles is /hot/ than Warsaw.
hotter