This is a 10-question, self-grading exercise/quiz on Pronoun Case.

In this writing and grammar tutorial, learn how to distinguish and use nouns and pronouns in English and whether they are subjective, nominative, possessive, or objective.

Use the four-step trick that's on this grammar tips site and you will never have to wonder which to choose, "who" or "whom," again. There is a self test at the end of the article.