This 2020 Updated PowerPoint presentation has two parts. Part 1 helps students easily understand forming adjective clauses/relative clauses. It introduces relative pronouns like (who / which / that/ whom / whose / and Ø). Part 2 introduces relative pronouns, where, when, sentential adjective clauses, and other expressions that can precede a relative pronoun such as expressions of quantity; some of whom, a lot of which, etc.