* Prefix: The unhappy child returned the misplaced toy. (un-, re-, mis-)
* Suffix: The ment of the ness of the ing event was ful. (ment, ness, ing, ful)
* Both: The incredible ly unbelievable story was retold again and again. (in-, ly, un-, re-, again)
Explanation:
* Prefixes are added to the beginning of a word (un-, re-, mis-).
* Suffixes are added to the end of a word (ment, ness, ing, ful).
* Affixes can be used to change the meaning or grammatical function of a word.
Let me know if you'd like more examples!