The lesson that you are about to watch is about adjective clauses, of which there are two in this sentence. Can you see them? In some grammar books, you may see the adjective clause called the "relative clause". Don't get confused -- they are the same thing. In this lesson, you will learn the difference between the two types of adjective clauses -- the defining adjective clause, and the modifying adjective clause. I'll also answer a common question people have about clauses: "Should
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