The pink book [ is more expensive - is cheaper ] then the red book
is cheper
The hippopotamus [ is as hevy as - is not as hevy as ] white rhinoceres
is as hevy as
Lily is the [ kinder - kindest ] girl in the class
Kindest
The science exam is [ easier - harder ] then the math exam
harder
The living room [ is smaller - is bigger ] then the bedroom
is bigger
The blue marker [ is taller- is shorter ] then the green marker
is taller
The butterfly [ is as big as -is not as big as] the eagle
is not as big as
Sara [ is faster -is slower ] than Alya
is faster