Unit 13Rainy days make me sad第一课时 单元分析与提示教学目标语言目标:1、掌握过去完成时的用法;2、学会谈论过去发生的事情,会使用以下基本句子:By the time I got outside, the bus had already left.Have you ever been to …… ?Yes, I have.What happened to David on April Fool’s Day?认知目标掌握 “By the t