Which sentence uses a comparative adjective correctly?She is tall than her sister. She is taller than her sister. She is more tall than her sister.

Which sentence uses a comparative adjective correctly?She is tall than her sister. She is taller than her sister. She is more tall than her sister.

Explanation

"Taller" is the correct comparative form of the adjective "tall."

Comparative adjectives are used to compare two things, often ending in -er.