1、Unit17 Lesson1-3 学习目标 By the end of the class, the students will be able to: discover the form tell the difference between past perfect use both correctly and write a small story with past tenses. 学习过程 课前准备 What happened to the shopper in the town center? The dialogue between father and daughter Why
2、 was the flight to NY cancelled? Why did the man push his way to the front? 课堂活动 （一） 预习交流 Check the answers. （二） 合作探究 Discovery She had been doing some shopping. She realised that she didnt have any money left. He had been waiting in line for some time. He pushed his way to the front. Summary _ 用于描述
3、过去某一动作之前一直在进行或刚刚结束的动作。 Practice think about it for 20 minutes Tom got an idea. _ hike all morning He stopped for a rest. _ （三） 分层提高 Which is correct? He couldnt enter the room because he had lost his key. He couldnt enter the room because he had been losing his key. She was looking for bargains when she realised that she had left her purse home. She was looking for bargains when she realised that she had been leaving her （四） 总结归纳 （五） 巩固反馈 Finish the exercise on P21
