词汇：lesson, another, concert, whom, calendar ，the day after tomorrow, weekday
短语：study for a test, have a piano lesson, come to the party, the whole day, another time, soccer practice,
join sb. try to do, go to the concert
句型：Can you come to my party? I’m sorry, I have to help my mum./Sure, I’d love to .
Can she go to movies? Sorry , she can’t, she’s playing football.
When is the party? It’s at ten fifteen.
语法：情态动词can 的用法，现在进行时表示将来的用法
能力目标：a. 能礼貌的发出,接受.拒绝邀请 b. 能谈论已有的计划或安排
