Vocabulary And More Workbooks. Your students will enjoy these vocabulary workbooks and, at the same time, increase their vocabulary skills, improve their word recognition and understanding of multiple meanings. Basic vocabulary skills are reinforced through the use of modified cloze procedures and multiple-choice questions. Degree of difficulty progresses from lesson to lesson and level to level. Word-changing skills include: Forming Plurals; Forming Plural and Singular Possessives of Nouns; Forming Present and Past Tense Verbs; Forming Present Participle Verbs; Forming Adjectives from Nouns; Forming Comparative and Superlative Adjectives; Adding Prefixes/Suffixes to Nouns. Each reproducible workbook contains 30 lessons with seven exercises per lesson. 10 key words per lesson are included. Dictionary entries, progress chart, and answer keys are provided.