
You may notice that some of these translations of relative look and sound similar to one another. Many different languages also contain words that mean relative. This single word or groups of words that make up a relative adverb clause can be an adverb of place such as a geographical region, adverb of time, or adverb of reason, just like you can have nouns of time or a noun of place. Just like subordinate clauses, prepositional phrases, and other grammatical terms, these can be used in academic writing, formal contexts, and everyday use. An essential clause is required for the independent clauses or complete sentence to make sense it provides essential information for the rest of the sentence.

A nonrestrictive clause or nonessential clause is a clause that provides additional information but is not necessary for understanding the sentence. You can have a non-restrictive clause or a restrictive clause. These can be in relative clauses just like a relative pronoun. The common relative adverbs in English grammar are where, when, and why.


According to Grammar Monster, relative adverb is an adverb that heads an adjective clause and provide more information about the people, places or things being discussed.
