Relative Clauses English Grammar — Lesson 2C | Based on the textbook page Introduction Good morning, everyone. Today, I am going to present an important topic in English grammar called Relative Clauses . Relative clauses help us describe people, things, and places more clearly. They allow us to combine two sentences into one sentence and avoid unnecessary repetition. In this presentation, I will explain the meaning of relative clauses, relative pronouns, the two types of relative clauses, and how to use them correctly. I will also explain the exercises in our textbook. 1. What Is a Relative Clause? A relative clause is a part of a sentence that gives more information about a noun or a pronoun. It usually begins with a relative pronoun, such as who, whom, whose, which, or that . Let's look at an example. “A group of scientists who have examined a number of studies from across the world have suggested ten ways to achieve happiness.” In this sentence, “who have examined a number of ...