The document is an excerpt from a grammar and composition workbook for 7th grade students. It provides an overview of the contents of the workbook, which are organized into units covering parts of speech and other grammar topics. The units include lessons on subjects and predicates, nouns, verbs, pronouns, adjectives and adverbs, prepositions and conjunctions, clauses and complex sentences, verbals, subject-verb agreement, capitalization, punctuation, and other special usage problems. The workbook is intended to be used alongside a textbook called Writer's Choice to help students practice and reinforce their grammar skills.