摘要

<正>教学过程Step 1. Pre-reading T:What can you see on the screen?(图片一闪即逝)S:...T:Look at the pictures carefully. What’s in the picture? Can you use a phrase to describe the picture?S:Go swimming.T:Did you go swimming yesterday?S:No.T:Did you go swimming last week?S:Yes, I went swimming last week.