1. Which artist do you like most of the three?
2. Whom do you like most of the three painters?
3. Who do you like best among the three painters?
- I like Renoir most. Though he was in pain, he liked to express happiness and hope.
-------------------------------------
Are the questions and answer grammatical? Which question is commonly used? Do you have some more common questions which have the same meaning?
1 answer
"Whom" is the objective case, but, in common usage, we would use #3. The uses of "who" and "whom" seem to be blurred now, and may be changing as the language evolves. According to traditional rules, #3 would be incorrect, but probably would be used. Otherwise, all are fine.