Образуй сравнительную степень имен прилагательных с -er или more со словами (great,frightened,clean,polite,sharp, attractive,famous,deep, dangerous, cold)

Great -greater -the greatest
frightening -more frightening -the most frightening
clean -cleaner -the cleanest
polite -politer -the politest
sharp -sharper -the sharpest
attractive -more attractive -the most attractive
famous -famouser -the famousest
deep -deeper -the deepest
dangerous -more dangerous -the most dangerous
cold-colder -the coldest