Example of 3 degrees of comparison in a sentence?

To compare things we use " DEGREES OF COMPARISON. "

there are 3 types of degrees,

they are -:

POSITIVE DEGREE ,

COMPARATIVE DEGREE

and SUPERLATIVE DEGREE.

for example -:

he is as tall as his friend. [ positive sentence ]

she is smarter than her friend. [ comparative sentence ]

this is the tallest building in the town . [ superlative sentence ]