Adding -ly

We often make an adverb by adding -ly to an adjective, for example: quick, quickly

Spelling Rule
Just add -ly to the end of the adjective:

(note: C=consonant)

If adj. ends in do this and add Examples
-ll nothing y full, fully
C + le remove final e y terrible, terribly
y (except single-syllable adjectives) remove y ily happy, happily
Note: single-syllable adjectives ending in -y are regular, except:
day, daily
gay, gaily