This document provides rules for changing adjectives into adverbs by changing the ending of words. It lists changing -y to -ly, -ble to -bly, and provides examples like happy to happily, terrible to terribly, quick to quickly, and loud to loudly. It also notes some irregular changes such as hard staying the same and good changing to well.

1.  Change –y to –l and add ly:
Happy= happily
 Change –ble to –bly
Terrible = terribly

2.  Quick = quickly
 Slow=slowly
 Loud=loudly
 Quiet= quietly
 Care= carefully

3.  Bad= badly
 Happy=happily
 Terrible= terribly
 Hard=hard
 Good =well