第一单元主题：Time to relax (放松的时间)
重点语法：动词不定式作宾语或状语或表语……
作宾语–接在特定动词后，如课文中“Mama didn t want to go ice skating again at first.”
作状语–表目的、原因、结果等，如“She started swimming to get over her fear.”
作表语–说明主语内容，如“Her goal is to become a fashion designer.”
