构成法

原级

比较级

最高级

hard

late

early

harder

later

earlier

the hardest

the latest

the earliest

slowly

carefully

more slowly

more carefully

the most slowly

the most carefully

单音节词和少数双音节词,词尾加--er, est

大部分双音节词和多音节词前加—more , most

Do you know comparatives and superlatives of adverbs?

Work out the rules