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.

1. Relative clauses are “embedded” grammatical structures, contained inside other grammatical structures. 2. Relative clauses play a central role in English discourse. 3. Relative clause knowledge is ...

Present and past particples are used as parts of certain verb constructions but they can be used in a number of different ways. Present participle (verb-ing) clauses can be used without a subject ...

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 ...