Write the comparative form to the adjectives below.

clean

• Cleaner

• More clean

pretty

• prettier

• more pretty

Ali is ............. as Salman

• older

• more older

• as older

Mona is ........... than Fatima.

• short

• shorter

Good

• gooder

• best

• better

Difficult

• difficulter

• more difficult

Thin

• Thinner

• Thiner

Cold

• Colder

• Coldder