Adverbs : Grammar and Spelling Tips
The normal way to form an adverb is to add -ly as in stupidly, publicly or humorously. However, there are exceptions:
• If the word ends in -ll, add -y (e.g. fully).
• For words of more than one syllable that end in -y, remove the -y and add -ily (e.g. happily).
• Most single-syllable words ending in -y are regular, except for daily and gaily.
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