【正文】
the students will be able to: 1. have a deep and clear understanding of Inversion of Conditional。 2. have a deep and clear understanding of Unreal Conditional。 3. have a deep and clear understanding of Mixed Conditional. Teaching procedures: Step 1 Inversion of Conditional (PPT411) 1. Make some Explanation of Inversion of Conditional. 2. Let the students do relevant exercises of inversion. [Exp