Relative clauses are a mixed group. In English they can be standard SV-clauses if they are introduced by that or lack a relative pronoun entirely, or they can be wh-clauses if they are introduced by a wh-word that serves as a relative pronoun.
relative clauses are a mixed group in english they can be standard sv-clauses if they are introduced by that or lack a relative pronoun entirely or they can be wh-clauses if they are introduced by a wh-word that serves as a relative pronoun