The marble is ...
harder
The sofa is ...
softer
The box is ...
lighter
The book is ...
heavier
The red socks are ...
thicker than the blue socks.
The blue socks are ...
thinner than the red socks.
The blue t-shirt is ...
cleaner than the pink t-shirt.
The pink t-shirt is ...
dirtier than the blue t-shirt.
The purple hat is ...
prettier than the brown hat.
The brown hat is ...
uglier than the purple hat.
