A relative clause is a part of a sentence that cannot exist by itself. Higher Tier - où can mean ‘where’ or ‘when’ as a relative pronoun. A relative clause is a clause that cannot exist by itself. For ...

An essential relative clause provides necessary, defining information about the noun. On the other hand, non‐ essential relative clauses provide additional, non‐necessary information about the noun.

The man who lives next door is very friendly. In the above sentence, the relative clause who lives next door modifies the noun ‘man’. It gives more information about the subject and is essential to ...