A relative clause can be introduced by either a relative pronoun or a relative adverb. A relative clause can be restrictive or nonrestrictive (essential or nonessential) Restrictive relative clauses ...

In the diagram above, the relative pronoun who is an operator and it must move to the ... The orange arrow indicates an incomplete movment. This example does not crash (has a grammatical form) only if ...

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 ...