This video lesson from Yossarian the Grammarian explains how to determine which pronoun case is needed.

Find out how many people get hospitalized and die from the flu each year, and learn how we can use the internet, and Google, to keep tabs on the flu. Rishi is a pediatric infectious disease physician and works at Khan Academy.

This cartoon band sings a song that helps students remember the 6 question words: who, what, why, when, where, and how. Students will want to sing along.

A screencast lesson reviewing the proper usage of the subject form who and the object from whom with examples of how to use each word correctly. [2:26]

This lesson discusses how to determine which relative pronoun to use when constructing an adjective clause. This tutorial lesson shares a short screencast [3:42] and review questions over the lesson's content.

When do you use who, and when do you use whom? David, KA's grammarian, explains.