Diagramming helps students understand sentence structure and the different parts of speech. Book 2 offers builds on the diagramming skills taught in Book 1 and introduces appositive phrases, the different kinds of sentences, noun clauses, and more.the different kinds of sentences, noun clauses, and more. Each lesson describes the specific structure under study, gives examples, and provides sentences for diagramming practice. Students are then challenges to generate their own sentences to fit the models. 33 pp