1. The document contains a series of questions and answers about using language appropriately for classroom functions. 2. It discusses important characteristics of appropriate classroom language like being at the right degree of formality, well graded, sequenced, and clear. 3. Key classroom functions discussed include modeling, prompting, instructing, eliciting, nominating, encouraging, and monitoring. 4. It emphasizes the importance of using consistent classroom language that is heard repeatedly by learners in order for them to learn.