Relative Clauses
Who, which, that, where, when
Question Words with -ever
Whatever, whoever, whenever, wherever, however: any... at all
Relative Clauses (Defining & Non-defining)
Combine sentences by adding information with who/which/that/where/when/whose
Reduced Relative Clauses (Participial)
Shortening defining relative clauses with -ing/-ed or to-infinitive forms