The document provides instruction on expanding sentences through coordination, subordination, relative clauses, appositive phrases, and adverbial clauses. It includes examples of expanding simple sentences by adding objects, complements, and adverbials. Subordinate elements such as relative clauses and appositive phrases are described as adding definition and modifying meaning. The placement of adverbial clauses is also discussed as affecting emphasis and flow. Students are assigned readings and writing tasks on sentence expansion and combining for the next class.