Ah, 'whomever.' The word that strikes fear into the hearts of even seasoned writers. But fear not! Understanding when to use 'whomever' isn't as daunting as it seems.
The key is to remember that 'whomever' is the objective case of 'who.' Think of it like 'him/her/them' versus 'he/she/they.' You'd use 'whomever' when it's the object of a verb or a preposition.
**Here's the trick:** Is 'whoever' acting as the subject of a clause *within* the sentence? If so, stick with 'whoever.' But if 'whoever' is receiving the action, or is the object of a preposition (like 'to,' 'for,' 'with'), then 'whomever' is your word.
**Example:** *Give the prize to whomever deserves it most.* ('Whomever' is the object of the preposition 'to').
While grammatically correct, using 'whomever' can sometimes sound overly formal. If in doubt, rephrase the sentence for clarity and flow. Sometimes the best choice is to avoid it altogether! So, use 'whomever' judiciously, and may your grammar always be strong.