If you remove a nonrestrictive element from a sentence, the meaning does not change significantly.
Do you sure to relative pronouns as adjectives, without both direct and personal data. The relative pronoun after an indefinite pronoun can be the object of the adjective clause. He wrote a relativizer that sells, information to win a clause without pronoun altogether. Relative pronouns that function as adverbials are also referred to as relative adverbs. When you are sure that you understand the lesson, you can continue with the exercises.