After viewing the Relative Clauses Presentation, complete the following practice exercises. 1. Write two sentences that have adjective clauses that use the relative pronoun which. (These adjective clause should describe a specific thing and be separated with commas.) 2. Write two sentences that have adjective clauses that use the relative pronoun who. (These adjective clause should describe a specific person and be separated with commas.) 3. Write two sentences that have adjective clauses that use the relative pronoun that. (These adjective clauses should describe a "general" person or thing and not use commas.)