In the sentences below the dependent clauses are in parentheses. The verb is underlined. Look carefully at the clause and decide what the relationship is between who/whom and the verb. Something else that sometimes creates confusion is the fact that often the complement comes before the verb in a dependent clause.
1. This organization gives help to (whoever/whomever requests it.)
2. He didn't remember (who/whom he had seen the night before.)
3. Many people (who/whom have started here) went on to start their own business.
4. They gave the award to (whoever/whomever had the most points at the end.)
5. The organization is open to (whoever/whomever can afford to pay the dues.)
6. She was the one (who/whom he said was the best worker.)
7. He is the man (who/whom some people say is responsible for all of this.)
8. They are going to put the blame on (whoever/whomever is the most vulnerable.)
9. Do you want to know (who/whom I think will win?)
10. (Whoever/whomever comes in first) will win the prize.
11. The police identified the suspect (who/whom they had arrested.)
12. This is the man (who/whom we must see first.)