Through clear and comprehensive grammar explanations, extensive practice exercises, and lively communicative activities,-Grammar Dimensions, Fourth Edition provides students with the language skills they need to communicate accurately, meaningfully, and appropriately. Level: Intermediate • Grammar explanations focused on form, meaning, and use help students understand the target language. • Revised Opening Tasks can be used as a diagnostic or warm-up exercise to explore students' knowledge of each structure's form, meaning, and use. • Updated topics, grammar charts, and grammar exercises provide detailed grammar practice. • The Use Your English purple pages offer communicative activities that integrate grammar with reading, writing, listening and speaking opportunities. • Internet activities explore outside sources of language to expand upon students' communication and language. • InfoTrac(r) research activities in enhance research skills in the target Language. • Reflection activities clarify students' learning styles and encourage students to create personal learning strategies.