Unit 5 What are the shirts made of. Grammar Focus 外国语学院:刘丽Teaching plan. The General Idea of This Period:This period is about the part“Grammar Focus” of unit 5. It focuses on passive voice with relevant exercises designed to practice the language point. It is a linking part of the whole unit, and makes students realize the significance of passive voice. Teaching Aims:1. To enable the students to analyze the structure of those passive sentences;2. To get to kn