Q: Did he milk a cow?

A: Yes, he did. He milked a cow.

Q: Did he ride a horse?

A: No, he didn't.

Q: Did you see any cows?

A: Yes, I did. I saw quite a lot.

[设计意图]通过教师的提问，再引导学生逐一的回答，再让学生听、读学习新句型，并记住一般过去时态的疑问句结构。

Step 3 Exercises (课堂操练)

1. T: Do you remember the patterns?

　OK! Let's practice about the sentence. Look at the pictures and practice the dialogue .Ask and answer like this.

A: Did you ride a horse?

B: No, I didn't.

A: What did you do on the school trip?

B: I went for a walk with my classmates.

[设计意图]通过之前听、读的学习，让学生结对操练并掌握本课对话。

2. Have you finished? Who can have a try. OK! Excellent. You've done a good job.

[设计意图] 课件展示各种动词短语的图片（喂鸡、散步、照相、挤奶、骑马、和农民交谈、摘草莓），让学生操练本堂课的新句型，并鼓励学生创新。

Step 4 Consolidation. （巩固新知）

1. 2d Role-play the conversation。（先分组讨论，再分角色扮演）

[设计意图] 由于本对话中的所有句型，在之前都进行了口头操练，学生已基本掌握，所以虽说是新对话，但对学生来说，一点都不觉得陌生，更谈不上有难度，所以在这个对话中，我让学生他们自己先讨论，再分角色扮演，真正做到"把