Do you know when to use who or whom? It’s been on my VERY long list of things to look up and I’ve finally gotten there. Here’s a snippet from an article I just read.

• Rule #1: Substitute “he/him” or “she/her”: If it’s either “he” or “she,” then it’s “who;” if it’s “him” or “her,” then it’s “whom.”
• Rule #2: Every verb with a tense in a sentence must have a subject. And that word is always in the nominative case, so it’s “who.”
• Rule #3: Give it a sincere and honest effort to determine is it’s “who” or “whom.” If it takes more than a 30 seconds to figure it out, pick the one that sounds best to the ear (read it aloud) and move on. Why? Because even grammarians are likely to squabble over which to use. But always — always — apply rules #1 and #2 before using Rule #3.

Read the full article