The most common adverb suffix is the suffix. -long -way -ward -ly

The most common adverb suffix is the -ly suffix.

Explanation:

The -ly suffix express how something is done.

This type of suffix is the most common suffix for many reasons:

1. You just have to add it to an adjective. For example: soft (softly)

2. If the base word ends in "y", change the "y" to an "i" and add "-ly". For example: angry (angrily)

3. If the base word ends in "-le", change the "-le" to "-ly". For example: gentle (gently)

4.If the base word ends in -ic, add "-ally". For example: magic (magically)

5. If the base word ends in "-l", add "-ly". For example: careful (carefully)